A body of mass 500 g moves |MotionStraightLineJEEMAIN2023

JEE MAIN 2023

11-4-2023

Question

A body of mass 500 g moves along x-axis such that it’s velocity varies with displacement x according to the relation m/s the force acting on the body is

Select the correct option:

166 N

25 N

125 N

5 N

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

$\begin{array}{ll}\text { Sol. } & v=10 \sqrt{x} \Rightarrow v^2=100 x \\ & 2 v \frac{d v}{d x}=100 \Rightarrow a=50 \mathrm{~m} / \mathrm{s} \\ & F=25 N\end{array}$

Question Tags

JEE Main

Chemistry

Easy

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