Work Energy And Power Question 244

Question: A body falls freely under gravity. Its velocity is v when it has lost potential energy equal to U. What is the mass of the body?

Options:

A) U2/v2

B) 2U2/v2

C) 2U/v2

D) U/v2

Show Answer

Answer:

Correct Answer: C

Solution:

[c] U=(1/2)Mv2



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