Work Energy And Power Question 5
Question: Assertion : A light body and heavy body have same momentum. Then they also have same kinetic energy. Reason : Kinetic energy does not depend on mass of the body.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: D
Solution:
When two bodies have same momentum then lighter body possess more kinetic energy because
$ E=\frac{P^{2}}{2m} $
$ E\propto \frac{1}{m} $ when P = constant
