GCSE Science - Physics Question 21 of 22

In the equation Ep = mgh, what is represented by Ep? (Hint: your answer should be three words)

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Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

What determines the amount of inertia an object has

Often called simply "velocity," this is the velocity of an object at a particular moment in time.