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Travka [436]
3 years ago
5

Which is true concerning the acceleration due to Earth's gravity (ge) ? It decreases with increasing altitude. B. It is differe

nt for different objects in free fall. C. It is a fundamental quantity. D. It increases with increasing altitude. E. all of these
Physics
1 answer:
klasskru [66]3 years ago
6 0

Answer:

Option A decreases with increase in altitude

Explanation:

This can be explained as the value of gravitational acceleration, 'g' is not same everywhere.

It has its maximum value at poles of the Earth and minimum on its equator.

Thus a person will weigh more at poles than equator.

This variation is in accordance to:

g = \frac{GM_{E}}{radius^{2}}

Thus the gravitational acceleration changes as inverse square of the Radius of the Earth.

Thus as we move away from the Earth's center, gravitational acceleration, g decreases.

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Light rays from stars bend toward smaller angles as they enter Earth's atmosphere. a. Explain why this happens using Snell's law
Grace [21]

Answer:

Following are the answer to this question:

Explanation:

In option (a):

  • The principle of Snells informs us that as light travels from the less dense medium to a denser layer, like water to air or a thinner layer of the air to the thicker ones, it bent to usual — an abstract feature that would be on the surface of all objects. Mostly, on the contrary, glow shifts from a denser with a less dense medium. This angle between both the usual and the light conditions rays is referred to as the refractive angle.  
  • Throughout in scenario, the light from its stars in the upper orbit, the surface area of both the Earth tends to increase because as light flows from the outer atmosphere towards the Earth, it defined above, to a lesser angle.

In option (b):

  • Rays of light, that go directly down wouldn't bend, whilst also sun source which joins the upper orbit was reflected light from either a thicker distance and flex to the usual, following roughly the direction of the curve of the earth.  
  • Throughout the zenith specific position earlier in this thread, astronomical bodies appear throughout the right position while those close to a horizon seem to have been brightest than any of those close to the sky, and please find the attachment of the diagram.

8 0
3 years ago
Physics help pleaseee
Ilia_Sergeevich [38]

Answer:

the first questions answer is- the pressure is the same (balanced) outside and inside the window.

the second questions answer is- the atmospheric pressure increases.

Explanation:

I hope that this is what you were looking for.

6 0
3 years ago
A force acts on an object. Which option describes an action that could prevent the object from moving? (1 point)
hram777 [196]
C. because if you push a ball on one side and on the other side with the same amount of force at the same time it won’t move.
Hope this helps
8 0
3 years ago
How can you can tell if a fat is saturated?
Tpy6a [65]

Here is how you can tell if a fat is saturated or not:

It has to <u>stay normal at room temperature</u> and <u>melt when heated.</u>

<u></u>

Here is an example for you:

If there is a fat that stays normal when it is outside, but melts when heated, it is a saturated fat. It did what every other saturated fat would do.

Carry on Learning!

5 0
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the latest sunspot maximum occurred in 2001. Using the data from your sunspot-activity data table, predict the next sunspot mini
bogdanovich [222]

A peak in the sunspot count is referred to as a time of "solar maximum" (or "solar max"), whereas a period when few sunspots appear is called a "solar minimum" (or "solar min"). An example of a recent sunspot cycle spans the years from the solar min in 1986, when 13 sunspots were seen, through the solar max in 1989 when more than 157 sunspots appeared, on to the next solar min in 1996 (ten years after the 1986 solar min) when the sunspot count had fallen back down to fewer than 9.

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