Q 11-05-001JEE MainEasy
The speed of a $2\ \text{kg}$ body increases from $3\ \text{m/s}$ to $5\ \text{m/s}$. Find the work done by the net force on it, in joules.
Numerical value type. Enter your answer.
Answer: 16
Concept. Work–energy theorem: $W_{\text{net}} = \Delta K$.
Step 1. Substitute. $\dfrac12(2)(25 - 9) = 16$ J.
Answer. $16$.
Solution by Sreeraj P, M.Sc Physics