b. describes it best because a form of molten cools down and makes igneous rock. Good luck! Please mark me brainliest!
Answer:
It is neither false nor true. When they collide some of one of the objects goes to the other object.
Explanation:
Kinetic energy is the energy associated with the motion of an object. It's a scalar quantity, there is no direction associated with KE and it has no components.

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Therefore Kinetic energy is 817.96J.
Answer:
a ) option 2 is correct
b) -ve acceleration for upward motion ,0 acceleration at top point ,+ve acceleration on downward motion ...
Explanation:
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