Answer:
I think it is gas.
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Density is varying through the world’s oceans. The density of ocean water is not uniform.
If a green ball has a greater momentum than an orange ball and both balls are moving at the same velocity, then _________.
A. The green ball has a greater mass
<u>Momentum = mass x velocity.</u>
Hello! Gravity is lost when you reach the outside of the Earth's orbit! So you would have to overcome gravity in order to officially be in space. Gravity is the first thing a rocket must overcome to reach space.
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Answer:
a.
b.Attractive
Explanation:
We are given that


Mass of an electron,
Mass of proton,
Distance between electron and proton,R=

a.Substitute the values then we get


b.We know that like charges repel to each other and unlike charges attract to each other.
Proton and electron are unlike charges therefore, the force between proton and electron is attractive.