3 years ago

What word describes the position in the moon's elliptical orbit when it is closest to Earth?

Physics

1 answer:

aivan3 [116]3 years ago

7 0

That's the moon's perigee.

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What is the name of the fine soil particles deposited by rivers?

Damm [24]

<span>Silt is like a dust in terms of size. It is solid, water like rivers transport, and deposits it. It is mostly made up of minerals and rock particles. It is form due to erosion of rocks. Therefore, the fine soil particles deposited by rivers is called Silt.</span>

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3 years ago

Vector A has a magnitude of 4.0m and points 30 south of east vector B has a magnitude of 2.0m and points 30 north of west the re

valentina_108 [34]

Answer:

2.06 m at 49.7 or 50 degree South of East

Explanation:

take x axis and y axis and follow as explained in attachment

Download pdf

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3 years ago

Would it be correct to say the Doppler Effect is the apparent change in the speed of a wave due to the motion of the source?

tatiyna

Yes that would be correct. But if its an essay I'd be a bit more elaborate and give examples.

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3 years ago

Read 2 more answers

A constant force of magnitude F acts on an object of mass 0.04kg initially at rest at a point O. If the speed of the object when

vampirchik [111]

Answer:

F = 100 Newtons

Explanation:

F = ?

m = 0.04kg

u = 0m/s ==> u is just an abbreviation for initial velocity, it is conventional.

s = 50m ==> s is just an abbreviation for distance, it is conventional.

v = 500m/s ==> v is just an abbreviation for final velocity, it is conventional.

$v^{2} = u^{2} + 2as\\\\=> a = \frac{v^{2} - u^{2}}{2s}\\a = \frac{500^{2} }{2*50}\\a = 2500ms^{-2}$

Then F = ma = 0.04 x 2500 = 100N

5 0

3 years ago

If you walk across a nylon rug and then touch a large metal object such as a doorknob you may get a spark and a shock. Why does

k0ka [10]

Answer:

Explanation:

You are more likely to be shocked during dry days than humid days because during humid days more water is in the air, and water being a good conductor helps the air absorb some of those charges from you, while during dry days there is less water in the air and hence the charges build up since they are not absorbed.

You are less likely to be shocked when you touch a small metal object because smaller metal objects like a paper clip have less space to accept net charge.

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3 years ago