Work Energy Power — Easy JEE physics MCQ
A body of mass $2$ kg has momentum $10$ kg·m/s. Its kinetic energy is:
- A. $25$ J
- B. $50$ J
- C. $100$ J
- D. $20$ J
Solution
$KE = \frac{p^2}{2m} = \frac{100}{2 \times 2} = 25$ J
PHYSICS
easy • PYQ Reworded
Question
Read carefully, then pick the best option.
A body of mass kg has momentum kg·m/s. Its kinetic energy is:
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