On A 1cm Scale, How Far Would The Sun Be From Alpha Centauri On This Scale? (2024)

Physics High School

Answers

Answer 1

4.4×10−5cm. 1 light year equals 0.946 cm on this drawing's scale, or roughly 1 centimeter.Thus, Alpha Centauri is located 4 cm away from the sun.

On this scale, how far away from Alpha Centauri would the Sun be?

Alpha Centauri would've been 1.48 x 106 meters away, or around 890 miles, on this scale.Alpha Centauri is around 10,300 miles away if the sun was scaled to the a 1 foot radius.

The size of Alpha Centauri in relation to the sun?

Beta Centauri A It is a main-sequence star that resembles the Sun and has a similar yellowish color. Its stellar classification is spectrum type G2-V, and it has a radius that is about 22% larger than the Sun. It is about 10% more mass than the Sun.

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Related Questions

How much is 63 degrees Fahrenheit in Celsius?

Answers

63 degrees fahrenheit is equivalent to 17.22°C (degrees celsius).

How to convert Fahrenheit to Celsius?

Degrees Fahrenheit and Celsius are both units of temperature. The degree Celsius is a metric unit of temperature, a derived unit of the International System of units with symbol of °C.

The Fahrenheit scale can be converted to Celsius scale as follows:

(°F − 32) × 5/9

(63°F − 32) × 5/9 = 17.222°C

Therefore, 17.22°C is the temperature in Celsius scale.

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What is 69 °F in °C ?

Answers

Answer:

What is 69 °F in °C ?

20.5556

69 °F is calculated to be equal to 20.56 °C. Fahrenheit (°F) to Celsius (°C) temperature conversion formula is: °C = (°F - 32) * 5/9

How can you change Fahrenheit into Celsius?

The conversion from degrees Fahrenheit to degrees Celsius may be calculated using the formula °C = [(°F-32)5]/9, which also displays how many degrees Fahrenheit are changed into one degree Celsius.

Use the following formula to convert between Fahrenheit (°F) and Celsius (°C): °C = (°F - 32) * 5/9

value given is: 69 °F:

Now, °C = (69 - 32) * 5/9 °C = 37 * 5/9

So, °C = 20.56 °C

Hence, 69 °F is equivalent to 20.56 °C.

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a tree stump is pulled northward by a 10-n force at the same time a 25-n force pulls it southward. the resultant force has a magnitude of

Answers

The magnitude of resultant force is 15 N to the south. The result is obtained by adding up the forces inline.

What is force?

Force is a push or pull acting on an object as a result of interaction between the object and another.

The forces that are inline can be added up. The force that has the opposite direction is negative.

A tree stump is pulled northward by a 10-n force and at the same time a 25-n force pulls it southward. Find the magnitude of resultant force!

Let's say that the northward force is positive, then the southward force is negative.

We have

F north = 10 NF south = - 25 N

The magnitude of the resultant force is

F = F north + F south

F = 10 + (-25)

F = -15 N

The minus sign indicates that the force is in south direction.

Hence, the tree stump is pulled with the resultant force of 15 N to the south.

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What is moment of inertia and its unit?

Answers

Moment of inertia is a measure of an object's resistance to rotational motion and is determined by the object's mass and its distribution relative to the axis of rotation. Its unit is kilogram square meter (kg m^2).

To understand moment of inertia, imagine a wheel and a solid cylinder of the same mass and size. If you apply the same force to both, the wheel will rotate much easier than the cylinder. This is because the mass of the wheel is farther from the axis of rotation, making it have a larger moment of inertia.

The moment of inertia of an object is determined by the object's mass and its distribution relative to the axis of rotation. For example, the moment of inertia of a sphere is different from that of a thin rod.

When calculating the moment of inertia of a more complex object, such as a human body, the moment of inertia of each individual body part must be calculated and then combined to find the total moment of inertia.

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What does a high CVP reading mean?

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Elevated CVP is indicative of myocardial contractile dysfunction and/or fluid retention. On the other hand, low central venous pressure is indicative of volume depletion or decreased venous tone.

A high CVP reading indicates an elevated pressure in the central veins, which can be a sign of several medical conditions such as heart failure, dehydration, or low cardiac output.

What is CVP?

CVP stands for Central Venous Pressure, which is the pressure of blood in the central veins (such as the superior vena cava or the inferior vena cava) that return blood to the heart. Central venous pressure is frequently used as an examination of hemodynamic status, especially in the intensive care unit.

What is the significance of CVP?

A healthcare professional should interpret the significance of a high CVP reading in the context of the patient's medical history and other test results.

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How is joule related to electron volt?

Answers

Answer:

One electron volt is equal to approximately [tex]1.602 \times 10^{-19}\; {\rm J}[/tex].

Explanation:

Joule and electron volt are both units for measuring energy.

One joule is equal to the energy released when the electric potential of one coulomb ([tex]1\; {\rm C}[/tex]) of charge is changed by one volt ([tex]1\; {\rm V}[/tex]). In other words, [tex](1\; {\rm C}) \, (1\; {\rm V}) = 1\; {\rm J}[/tex]One electron volt is the energy released when the electric potential of one electron is changed by one volt.

The magnitude of the electric charge of one electron is approximately [tex]1.602 \times 10^{-19}\; {\rm C}[/tex] (the elementary charge.) Therefore, one electron volt would be equivalent to:

[tex]\begin{aligned}1\; {\rm eV} &= (\text{charge of one electron})\, (1\; {\rm V}) \\ &\approx (1.602 \times 10^{-19}\; {\rm C})\, (1\; {\rm V}) \\ &= 1.602\times 10^{-19}\, (1\; {\rm C})\, (1\; {\rm V}) \\ &= 1.602 \times 10^{-19}\; {\rm J}\end{aligned}[/tex].

Joule relate to electron volt because energy can be measured in joules and electron volts.

What is Joule?

The quantity of energy necessary to apply a force of one Newton over a distance of one metre is known as a joule, which is the standard unit of energy.

The energy of individual particles or atoms is measured in terms of electron volts (eV), a unit of energy that is frequently used in particle and atomic physics.

The number of joules in one electron volt is 1.602176634 x 10-19. This indicates that an electron with an energy of one electron volt gained energy by travelling through a potential difference of one volt, which is equal to 1.602176634 x 10-19 joules.

Both the joule and the electron volt are units of energy, however the joule is a common unit in atomic and particle physics whereas the electron volt is a common unit in everyday physics.

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a 5.0- cm -diameter cylinder floats in water. how much work must be done to push the cylinder 11 cm deeper into the water?

Answers

The work must be done to push the cylinder 11 cm deeper into the water is 0.116 Joule. The result is solved by an integration formula.

Buoyancy

A cylinder floats in the water. The diameter is 5.0 cm.

Find the work must be done to push the cylinder 11 cm deeper into the water!

The force needed to overcome to sink the cylinder can be expressed as

F = PA

F = ρghA

The area of cylinder base is

A = πr²

A = π(d/2)²

A = π(5.0/2)²

A = 19.625 cm²

A = 1.9625 × 10⁻³ m³

The work to push the cylinder until the depth x = 11 cm can be solved by using an integration.

dW = F dh

[tex]W = \int\limits^x_0 {\rho g h A} \, dh[/tex]

[tex]W = A \rho g (\frac{h^{2} }{2} )^{x} _{0}[/tex]

[tex]W = A \rho g (\frac{x^{2} }{2} )[/tex]

[tex]W = 1.9625 \times 10^{-3} \times 1000 \times 9.8 \times \frac{0.11^{2}}{2}[/tex]

W = 0.116 Joule

Hence, to push the cylinder 11 cm deeper into the water, it needs the work of 0.116 Joule.

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Derick drove his scooter 4.7 kilometers in 250 seconds. What is his speed?

Group of answer choices

25 m/s

0.053 m/s

9.5 m/s

19 m/s

Answers

Convert the kilometers to meters and calculate the speed using the equation
s = d/t
1km = 1000m
4.7 km = x
After cross multiplying we get
x to be 4700m

s = d/t
s = 4700/250
s = 18.8 m/s

an electron is brought near a negatively charged sphere. what will happen to its electric potential energy and why?

Answers

Option B: Electric potential energy decreases as moving charges convert potential energy to kinetic energy. An electron is brought close to a negatively charged sphere.

Potential energy is stored energy that is dependent on the relative position of various parts of a system. When a spring is compressed or stretched, it has more potential energy. A steel ball has more potential energy raised above the ground than it does after falling to Earth. It can do more work in the raised position. Potential energy is a property of a system, not of an individual body or particle; for example, the system composed of Earth and the raised ball has more potential energy as the two are separated.

Potential energy arises in systems with parts that exert forces on each other of varying magnitude depending on the configuration, or relative position, of the parts.

The correct question is:

An electron is brought near a negatively charged sphere. What will happen to its electric potential energy and why?

A. The electric potential energy will increase because work had to be done to bring the charges together.

B. The electric potential energy will decrease because moving charges convert potential energy to kinetic energy.

C. The electric potential energy will increase because opposite charges attract.

D. The electric potential energy will decrease because two, unlike charges, go from a position far apart to a positionclosetogether.

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Five pulses are generated every 0. 100 s in a tank of water. What is the speed of propagation of the wave if the wavelength of the surface wave is 1. 20 cm?.

Answers

The speed of propagation of the wave if the wavelength of the surface wave is 1. 20 cm and five pulses are generated every 0. 100 s in a tank of water = 0.60 m/s

The wavelength of an electromagnetic wave is the distance between consecutive crests of the wave. The wavelength and frequency are closely related. The shorter the wavelength, the higher the frequency. Because all light waves move at the same speed through a vacuum, the number of wave crests passing by a given point per second depends on the wavelength.

The equation:

v = λ/T

Where:

v = the velocity/ speed of the wave (m/s)

λ = wavelength (m)

T = period (s)

Hence five pulses are generated every 0. 100 s in a tank of water.

T = 0.100 / 5

= 0.02 s

So, the speed:

v = λ/T

= 1.20 / 0.02

= 60 cm/s

= 0.60 m/s

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what distinguishes botero's the horse from giacometti's man pointing? question 9 options: botero uses negative shapes to imply the volume and texture of the figure. botero suggests the physical bulk of the horse through vertical placement. botero creates a horse whose bulging form does not interact with the surrounding space. botero produces a dynamic visual impact by using a monochromatic color scheme.

Answers

Botero creates a horse whose bulging form does not interact with the surrounding space.

ABOUT FERNANDO BOTERO

Fernando Botero, self-dubbed 'Colombia's most Colombian artist', is a name synonymous with Latin American art. The prolific artist and his signature style, known as Boterismo, evokes exciting images of people and things, and his success as an artist is undeniable. However, Botero's work can also be controversial, leading to accusations of heresy. We explore what makes this 'most Colombian' artist tick.

Acclaimed both in his native country and internationally, Fernando Botero has been awarded including the First Prize in Painting at the prestigious Salon Nacional de Artistas in 1958 aged only 24. Most recently in 2012, he was presented with the award of Lifetime Achievement in Contemporary Sculpture by the International Sculpture Center in the United States, which recognizes significant contributions to the media. In 2001, a bronze statue of Boterodancersold for over $1.7 million US dollars at Christie's auction in New York, a new record for a Colombian statue.

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the ball of mass 1000g is dropped from a height of. 5m and rebounds to a height of 25m calaulate ; its kinetic just before impact .2 its initial velocity and kinetic energy​

Answers

Answer:

Explanation:

v²=(u²+2gh) ...(i)

So after falling from height 5m=>

u=0

g=10m/s-2

h=5m

Putting all these in equation (i)

v=10m/s

Therefore=>

Kinetic energy just before impact= mv²/2= 1*100/2J

Kinetic energy just before impact=50J

Initial velocity=0m/s

Initial kinetic energy=0J

what does the spleen do

Answers

The spleen is an organ located in the upper left side of the abdomen, behind the stomach and in front of the left kidney. Its main function is to filter and remove old or damaged red blood cells from the bloodstream, as well as to store healthy red blood cells and platelets.

The spleen is made up of two main types of tissue: red pulp and white pulp. The red pulp is responsible for filtering and removing old or damaged red blood cells, while the white pulp contains immune cells called lymphocytes and monocytes, which help to fight off infections.

When blood enters the spleen, it flows through a network of blood vessels called the splenic sinusoids. Here, the spleen's specialized cells, called macrophages, remove old or damaged red blood cells from the bloodstream. These cells are then broken down and recycled, with their components being used to make new blood cells.

The spleen also plays a role in the immune system by helping to filter out and destroy foreign invaders, such as bacteria and viruses. The white pulp contains immune cells, such as lymphocytes and monocytes, that help to identify and attack these invaders.

In addition to its role in the immune system and blood cell production, the spleen also acts as a blood reservoir. It can hold a large amount of blood, which can be released into the bloodstream in times of need, such as during heavy bleeding or injury.

In summary, the spleen is an organ that helps to filter and remove old or damaged red blood cells from the bloodstream, store healthy red blood cells and platelets, and plays a role in the immune system.

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Liquid/vapor saturation pressure Psat Psat is often represented as a function of temperature by the Antoine equation, which can be written in the form: log⁡10Psat/(torr)=a−bt/∘C+clog10​Psat/(torr)=a−t/∘C+cb​ Here, parameters a, b, and c are substance-specific constants. Suppose this equation is to be rewritten in the equivalent form: ln⁡Psat⁡/kPa=A−BT/K+ClnPsat/kPa=A−T/K+CB​ Show how the parameters in the two equations are related.

Answers

The two equations' parameters have the following relationships: A = a, B = -b / c*ln(10), and C = c*log10(kPa/torr). In general, a parameter is any feature that aids in describing or categorising a certain system.

By utilising logarithmic conversions, it is possible to determine the connection between the parameters in the two versions of the Antoine equation. The following formula connects the natural logarithm (ln) with log base 10 (log10): Log10(x) = ln(x) / log10 (e)

where e is the natural logarithm's base. This formula may be used to change the log10 term in the first equation into a natural logarithm term.

The units must then be changed from torr to kPa. The pressure in kPa may be calculated by multiplying the torr pressure by 0.13332.

Finally, the terms in the equation can be rearranged to relate the parameters. The equation that results looks like this:

a - (b / c) = ln(Psat / kPa). b / c * log10(torr) + c * log10(kPa / torr) = ln(10)

A = a, B = -b / c*ln(10), and C = c*log10(kPa/torr), respectively. This demonstrates the relationships between the parameters in the two versions of the Antoine equation.

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__________ is a measure of heat, the vibrational motion of particles.

Answers

Answer: Thermal Energy

What is 22 °C in °F?

Answers

22°C is equivalent to 71.6°F on the temperature scale.

A temperature scale is a way to measure the temperature of an object or system. The two most commonly used temperature scales are the Celsius (°C) and Fahrenheit (°F) scales. Here is how you can convert a temperature from one scale to the other:

°C to °F: (°C * 9/5) + 32 = °F

°F to °C: (°F - 32) * 5/9 = °C

Using this formula, we can convert 22°C to Fahrenheit. To do so, we simply multiply 22 by 9/5 and then add 32:

(22 * 9/5) + 32 = 71.6°F

So 22°C is equivalent to 71.6°F on the temperature scale.

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2. Two rugby players are running towards each other. They are 77m apart. If one is accelerating
from rest at 1.2 m/s² and the other was already moving at 4.1 m/s and maintains her speed:

a.How long before they crunch together

b. How fast was the accelerating player going?

c. How far has each player run?

Answers

Time to collision is 7.5 seconds, rounding up the response.

How far do players run in a game?Only 11 minutes out of every NFL game are spent physically moving, on average. Running 1.25 kilometres per game on average, wide receivers and cornerbacks are the most active.To assist you develop the strength to start running faster, do sprinting drills and exercises including box jumps, high knees, hill sprints, and other core workouts. Your entire body can be strengthened by including some type of strength training on your off-days.In just 2-4 weeks, you can expect to see improvements if you combine abdominal workouts with core-strengthening activities like planks, squats, and press-ups.There has been some studies on the optimal number of sets based on different types of stimulation, but I would suggest anything from four to eight sets depending on how you are feeling.

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approximately how many times does the moon revolve around earth during one revolution of earth around the sun?

Answers

The Moon's orbit around the Earth is a difficult procedure. Approximately every 28 days, the Moon completes one orbit of the Earth. Accordingly, the Moon revolves the Earth 13 times per year.

How many rotations does the Moon complete in one Earth revolution?

As a result, for each revolution around the Earth, it completes one spin on its own axis. We constantly observe the same side of the Moon from Earth for this reason.

How many times does the Moon orbit the Earth?

Is the Moon circling the Earth? Yes. The Moon completes one revolution of the Earth in around 27.3 days, yet it takes 29.5 days for the Moon to transition from New Moon to Full Moon. As the Moon completes its 27.3-day orbit around Earth, Earth and the Moon are both revolving around the Sun.

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Using the ideas discussed in your textbook, in what sense are we "star stuff"?

Answers

What does "star stuff" mean in the context of the concepts covered in your textbook Nearly every atom that makes us who we are came from a star once.

A star is what?

There are now lines. An astronomical object known as a star is made up of a luminescent plasma spheroid that is held up by its own gravity. The Sun is the star that is closest to Earth. Even though there are many more stars that can be seen with the unaided eye at night, they are so far away from Earth that they only seem as stationary points of light.

What is the smallest size of a star?

However, the smallest star size appears to be 8.3% of the mass of the sun, or roughly 87 MJ, when the baryonic matter is very low. called smaller bodies

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assume that 502 nm light is used, the tube is 3.99 cm long, and that 221 fringe shifts occur as the pressure of the gas in the tube increases to atmospheric pressure. calculate ngas, the index of refraction of the gas.

Answers

Answer:

umm thtas a good question

Explanation:

a baseball player faces an 80 m/s pitc. in a matter of 0.2 seconds, they swing the bat, hitting a 50 m/s line drive back at the pitcher. calculate the average force on the bat while in contact with the ball

Answers

A baseball player faces an 80 m/s pitch. In a matter of 0.2 seconds, they swing the bat, hitting a 50 m/s line drive back at the pitcher. The average force on the bat while in contact with the ball is -18.75 N.

To calculate the average force on the bat while in contact with the ball, we can use the impulse-momentum theorem, which states that the impulse (the change in momentum) is equal to the force applied for the duration of contact.

The impulse can be calculated as:

= J

= m x Δv

= m x (vf - vi)

Where J is the impulse, m is the mass of the ball, vi is the initial velocity of the ball (80 m/s), and vf is the final velocity of the ball (50 m/s)

The duration of contact between the ball and the bat is 0.2 s.

= F

= J / t

= m x (vf - vi) / t

Where t is the duration of contact

Substituting the given values, we have:

F = (0.145 kg) x (50 m/s - 80 m/s) / 0.2 s

= -18.75 N

The negative sign indicates that the force is in the opposite direction of the ball's motion. This is consistent with the fact that the ball is being hit back at the pitcher, with a change in velocity in the opposite direction.

The force on the bat is -18.75 N.

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One pound-force is the force required to accelerate a mass of 32.174 lbm by 9.807 ft/s2.

Answers

False (One pound-force is the force required to accelerate a mass of 32.174 lbm by 1 ft/s2. In other words, the weight of 1-lbm mass at sea level is 1 lbf.)

Will 1 lbm equal 1 lbf?

The mass that is equal to one penny (lbf) on earth is designated by the unit lbm. It is incorrect to say that a lbm and a lbf are equivalent because a lbm is a unit of mass measurement and a lbf is a unit of force. On Earth, however, it is true to say that one lbm is equal to one lbf.

In what sense does the law of acceleration apply?

The relationship between a body's acceleration and speed is direct.

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Complete question:

State whether the given statelet is True or False.

One pound-force is the force required to accelerate a mass of 32.174 lbm by 9.807 ft/s2.

Please help me. I've been stuck here since yesterday. Thank you <3

Answers

First Question -

For Graph A,the motion would be staying still at the same place, meaning that it's still in the same place.

Graph B shows steady growth in speed and distance. Graph C shows slow and then a sudden change in speed and distance.

Graph D shows similar information to graph B.

Graph E shows similar information to Graph A.

Next Question-

For the graph, draw a regular graph shaped like the image I included. Once you do that, put the time information from the table onto the bottom of the graph. Then, put the distance onto the side of the graph. Then, just draw the line the same as the information on the table says.

I hope this helped because I kind of suck at explaining things!

What is the heat of the fusion?

Answers

The heat of fusion, also known as the enthalpy of fusion, is the amount of heat energy required to convert a substance from a solid to a liquid at a constant pressure. The heat of fusion is usually measured in units of joules per gram (J/g).

When a substance undergoes a phase change from a solid to a liquid, it absorbs heat energy from its surroundings. This heat energy is used to break the bonds between the atoms or molecules in the solid, allowing them to move more freely and take on the properties of a liquid. The heat of fusion is the amount of heat energy required to break these bonds and cause the phase change.

It is important to note that the heat of fusion is different for different substances. For example, the heat of fusion for water is approximately 334 J/g, while the heat of fusion for lead is only 7.2 J/g. This is because the strength of the bonds between the atoms or molecules in a substance affects the amount of energy required to break them.

The heat of fusion also has practical applications in many industries. For example, in the refrigeration and air conditioning industry, the heat of fusion of a refrigerant is used to transfer heat from one place to another. In metallurgy, the heat of fusion is used to melt and cast metals. In food industry, heat of fusion is used to freeze the food items. In many other industries, the heat of fusion is used to cool or to solidify the materials.

Overall, the heat of fusion is a measure of the energy required to change a substance from a solid to a liquid, and it plays an important role in many industrial processes.

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A spring is hung from the ceiling. When a block is attached to its end, it stretches 2.0 cm before reaching its new equilibrium length. The block is then pulled down slightly and released. What is the frequency of oscillation?

Answers

As a result of the block being slightly lowered and then released, the oscillation frequency is f = 3.5Hz.

In physics, what do oscillation and frequency mean?

Periodic to-and-fro motion that repeatedly repeats the same pattern is known as oscillatory motion. The to-and-fro movement of an object relative to its mean location is referred to as oscillatory motion. The frequency of oscillating particles is defined as the number of cycles that they complete in a second.

One oscillation is what?

The periodic to-and-fro oscillation of the a Simple pendulum was referred to as its oscillatory motion .One oscillations of a pendulum is defined as the motion of a bob starting from one tip and returning to the other.

We know that:

[tex]\begin{aligned}& F=-\mathrm{kx} \\& |F|=k x \\& m g=k x \\& \frac{\mathrm{k}}{\mathrm{m}}=\frac{\mathrm{g}}{\mathrm{x}} \\& \mathrm{f}=\frac{1}{2 \pi} \sqrt{\frac{\mathrm{k}}{\mathrm{m}}}=\frac{1}{2 \pi} \sqrt{\frac{g}{x}}=\frac{1}{2 \pi} \sqrt{\frac{9.8}{0.02}}=3.523 \mathrm{~Hz}\end{aligned}[/tex]

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what is the function of the condenser on a microscope

Answers

The condenser lens's job is to direct light onto the sample. used to adjust the size and brightness of the light cone that is aimed upward into the slide.

The stage or the upper portion of the microscope may be moved using the large, circular knob on the side of the microscope used for specimen focus.

The condenser, which is found underneath the stage of upright microscopes, collects wavefronts from the light source of the microscope and concentrates them into a cone of light that lights the specimen uniformly throughout the viewfield. Condensers are mounted on a frame pillar above the stage and specimen in inverted (tissue culture type) microscopes. To maximise the amount and direction of light entering the objective front lens, the condenser light cone must be correctly adjusted. In order to give the correct light cone to match the light cone (numerical aperture) of the new objective, a matching adjustment must be made to the condenser each time the objective is replaced. Illustrated is a basic two-lens Abbe condenser.

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All of the following are properties of water EXCEPT: A.It is a good solvent. B.It has high surface tension due to its hydrogen bonding: C.lt has high heat capacity: D.It has cohesion and adhesion properties. E.It is a nonpolar molecule

Answers

All of the following are properties of water except this that it is a nonpolar molecule. So, option E is correct.

Following ae the qualities of Water:

1) it is a good solvent.

2) Because of the hydrogen bonds in it, it has a high surface tension.

3) It has high heat capacity

4) It possesses adhesive and cohesion qualities.

The majority of the time, nonpolar or organic solvents are used to dissolve nonpolar compounds. The charge is symmetrically distributed throughout these molecules.

Water has five key characteristics, including high polarity, high specific heat, high heat of vaporization, low solid density, and attraction to other polar molecules.

Polar molecules include water. Despite having a neutral overall charge, the molecule has two poles due to the orientation of the two positively charged hydrogen atoms (+1 each) at one end and the negatively charged oxygen atom (-2) at the other.

Hydrogen bonds could not develop in water if nonpolar covalent bonds rather than polar covalent bonds were used to create it. Due to the small charge difference between its two ends, water is a covalent polar molecule.

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Give an example of a trip you might take in your car for which the distance traveled as measured on your car's odometer is not equal to the displacement between your initial and final positions.

Answers

One example of a trip where the distance traveled as measured on the car's odometer is not equal to the displacement between the initial and final positions is a trip that involves a lot of backtracking or zig-zagging. For example, imagine a trip where a person starts at point A, drives to point B, turns around and goes back to point A, then drives to point C, and finally returns to point A.

In this case, the distance traveled as measured on the car's odometer would be the sum of the distances traveled from A to B, from B to A, from A to C, and from C to A, which is greater than the displacement between the initial and final positions. The displacement is the straight-line distance between the initial and final positions, which is the distance between A to C, regardless of the path taken to get there.

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two objects of equal mass have a center-to-center distance of 5.0 x 1015 m in free space. if they exert a force of 50 n on each other, what is the mass of each object? (4.33 x 1021 kg)

Answers

The mass of each object is 4.328 × 10²¹ kg. The result is obtained by using the concept of Newton's law of universal gravitation.

What is the Newton's law of universal gravitation?

The Newton's law of universal gravitation states that every object with the mass in the universe attracts to each other. The pulling force is called gravitational force. The gravitational force can be expressed as

F = Gm₁m₂/r²

Where

F = gravitational force (N)G = gravitational constant (6.6743 × 10⁻¹¹ m³kg⁻¹s⁻²)m₁ and m₂ = mass of objects (kg)r = distance of mass of objects (m)

Two objects of equal mass in free space have

Distance, r = 5.0 x 10¹⁵ mGravitational force, F = 50 N

Find the mass of each object!

The two objects are equal. So,

m₁ = m₂ = m

We use the formula above to find the mass.

F = Gm₁m₂/r²

50 = 6.6743 × 10⁻¹¹ m²/(5.0 × 10¹⁵)²

6.6743 × 10⁻¹¹ m² = 50 × 25 × 10³⁰

m² = (50 × 25 × 10³⁰)/(6.6743 × 10⁻¹¹)

m = √(187.3 × 10⁴¹)

m = √(1873 × 10⁴⁰)

m = 43.28 × 10²⁰ kg

m = 4.328 × 10²¹ kg

Hence, each object has a mass of 4.328 × 10²¹ kg.

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A hockey puck sliding at constant velocity across the ice is
A) is nowhere near being in equilibrium.
B) in equilibrium.
C) nearly in equilibrium.
D) none of the above

Answers

A hockey puck sliding at constant velocity across the ice is in equilibrium.

What is velocity?

Velocity is a measure of an object's rate of change of position with respect to time. It is a vector quantity, meaning it has both magnitude and direction. Velocity is calculated by dividing the change in position (displacement) by the change in time. In physics, velocity is often used to describe the speed and direction of an object in motion.

For example, a car traveling 60 miles per hour in a northerly direction has a velocity of 60 miles per hour north. The units of velocity can be expressed in meters per second, feet per second, miles per hour, or any other appropriate unit of distance and time. Velocity can change over time due to acceleration or deceleration.

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A hockey puck sliding at constant velocity across the ice is in equilibrium. Thus, the correct option is B.

What is Equilibrium?

Equilibrium is a state of balance of the forces between the opposing forces or the actions which are either static, as in a body which is acted on by forces whose resultant force is zero or dynamic, as in a reversible chemical reaction when the rates of reaction in both the directions are equal.

A hockey puck sliding over at a constant velocity across the ice is an example of equilibrium forces. This is because there is no change in velocity of the objects.

Therefore, the correct option is B.

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