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 $ %