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4 years ago

Difference between uniform circular motion and non uniform circular motion

1 answer:

6 0

Uniform circular motion is the motion in which an object covers equal distance in equal interval of time in a circular path and in non uniform motion object covers equal distance in unequal interval of time in a circular path

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Determine the gravitational energy of your 2 kg physics binder if it is sitting on the ground (height= 0

RSB [31]

Answer:

Explanation:

The gravitational potential energy of the body is 0J because the height is at 0m.

Gravitational potential energy is a form of energy which is highly dependent on the position of a body. The relative position of a body in space accounts for the amount of gravitational potential energy they posses.

A body at height 0m has no gravitational potential energy:

Gravitational potential energy = mgh

m is the mass of the body

g is the acceleration due to gravity

h is the height

So, if h = 0, Gravitational potential energy will become 0.

7 0

3 years ago

How many units measure one wavelength? a 16 b 8 c 2 d 4

pochemuha

B it makes more sense

8 0

4 years ago

If you could help me please.

11Alexandr11 [23.1K]

1) Does a 1 kg object weight 9.8 newtons on the moon? why?

No. 1kg of mass does not weigh 9.8N on the moon.

Weight = (mass) x (gravity).

Gravity is 9.8 m/s² on Earth, but gravity is only 1.62 m/s² on the moon.

2) How much does a 3-kg object weigh (on earth) in newtons?

Weight = (mass) x (gravity)

Gravity = 9.8 m/s² on Earth.

Weight = (3 kg) x (9.8 m/s² )

Weight = 29.4 N

3) How much does a 20-kg object weigh (on earth) in newton?

Weight = (mass) x (gravity)

Gravity = 9.8 m/s² on Earth.

Weight = (20 kg) x (9.8 m/s² )

Weight = 196 N

4) What must happen for the mass of an object to change?

When an object moves, its mass increases. The faster it moves, the greater its mass gets. But this is all part of Einstein's "Relativity". The object has to move at a significant fraction of the speed of light before any change can be noticed or measured. So as far as we are concerned, in everyday life, the mass of an object doesn't change, no matter where it is, or what you do to it.

5) What are 2 ways the weight of an object can change?

First, remember that the mass of an object doesn't change, no matter where it is, what you do to it, or what else is around it.

But its weight can change, because its weight depends on the strength of gravity in the place where the object is, and that gravity is the result of what else is around it in the neighborhood. So the weight can change even though the mass doesn't.

The weight of an object changes if you take it to a place where gravity is stronger or weaker.

Let's say we have an object whose mass is 90.72 kilograms. Like me !

As long as I stay on earth, where gravity is 9.8 m/s² , I weigh 889 Newtons (200 pounds).

. . . Fly me to the moon. Gravity = 1.62 m/s² Weight = 147 Newtons (33 lbs)

. . . Drag me to Jupiter. Gravity = 24.8 m/s² Weight = 2,249 N (506 pounds)

My mass never changed, but my weight sure did.

8 0

3 years ago

A baseball has a mass of 0.145 kg. A professional pitcher throws a baseball 67 mi/h, which is 30.0 m/s. What is the magnitude of

Kamila [148]

The concept of momentum tells us that it is equivalent to the product between the mass and the velocity of the object, that is to say that in general it can be written as

$p = mv$

Where,

m = mass

v = Velocity

Our values are given as,

$m = 0.145kg$

$v = 67mi/h = 30m/s$

Replacing we have that,

$p = (0.145)(30)$

$p = 12.45 kg\cdot m/s$

Therefore the magniude of the momentum of the pitched baseball is $12.45 kg\cdot m/s$

6 0

3 years ago

Read 2 more answers

In general, which type of planet would you expect to cause the largest doppler shift in the spectrum of its star?.

PilotLPTM [1.2K]

A giant (massive) planet close to the star is expected to cause the largest Doppler shift in the star's spectrum.

<h3>What is the Doppler Shift Method for Detecting Exoplanets?</h3>

Doppler spectroscopy is used to capture periodic velocity shifts in stellar spectra caused by orbiting giant planets. (This method is also known as the radial velocity method.)
The Doppler method, which is most commonly used to find exoplanets, is most suitable to look for very massive planets orbiting near their parent stars

<h3>What does the Doppler method tell us about planets? </h3>

The Doppler shift data can tell us something about the mass of the planet and the shape of its orbit. Since the Doppler shift only knows how fast it approaches and moves away from Earth, it is not possible to determine the exact mass of the planet without knowing the inclination of its orbit. Doppler data give a lower bound on mass.

To learn more about Doppler shift visit:

brainly.com/question/29022708

#SPJ4

8 0

1 year ago