SATHEE: Work Energy And Power Question 244

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) $U^{2} / v^{2}$

B) $2 U^{2} / v^{2}$

C) $2 U / v^{2}$

D) $U / v^{2}$

Show Answer

Answer:

Correct Answer: C

Solution:

[c] $U = (1 / 2) M v^{2}$

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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:

Answer:

Solution:

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