2 years ago

What makes the planets gravity?

Physics

1 answer:

anyanavicka [17]2 years ago

3 0

The presence of mass makes gravity. Doesn't matter whether it's a planet, a black hole, a puppy, or a speck of dust.

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According to the cooling curve, what is the approximate freezing point of the substance?

Oksana_A [137]

Answer:

I do not know which substance you are referring to, but the freezing point of water is 32°F, or 0°C.

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2 years ago

Two water balloons of mass 0.75 kg collide and bounce off of each other without breaking. Before the collision, one water balloo

bagirrra123 [75]

By the law of momentum conservation:-
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2 years ago

If we drop different weights from same height which will fall first to ground? Both of them hit the ground at the same time righ

crimeas [40]

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2 years ago

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Muscles make up ore than __ of a person body? a.10 b.25 c40 d.75

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3 years ago

Read 2 more answers

An object starts at rest. Its acceleration over 30 seconds is shown in the graph below:

ddd [48]

Answer:

The instantaneous speed of the object after the first five seconds is 12.5 m/s.

(C) is correct option.

Explanation:

Given that,

An object starts at rest. Its acceleration over 30 seconds.

We need to calculate the instantaneous speed of the object after the first five seconds

We know that,

Area under the acceleration -time graph gives speed.

According to figure,

$speed = area\ of\ tringle$

$speed=\dfrac{1}{2}\times b\times h$

$speed =\dfrac{1}{2}\times5\times5$

$speed-12.5\ m/s$

Hence, The instantaneous speed of the object after the first five seconds is 12.5 m/s.

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3 years ago