Work Energy And Power Question 53

Question: If the kinetic energy of a body increases by 0.1%, the percent increase of its momentum will be [MP PMT 1994]

Options:

A) 0.05%

B) 0.1%

C) 1.0%

D) 10%

Show Answer

Answer:

Correct Answer: A

Solution:

$ P=\sqrt{2mE} $ \ $ P\propto \sqrt{E} $

Percentage increase in $ P=\frac{1}{2} $ (percentage increase in E) = $ \frac{1}{2}(0.1) $% =$ 0.05 $ %



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