Block moving horizontally|KTG & THERMODYNAMICS|JEE-Main 2021

JEE MAIN 2021

31-08-2021 S1

Question

A block moving horizontally on a smooth surface with a speed of 40 m/s splits into two parts with masses in the ratio of 1:2. If the smaller part moves at 60 m/s in the same direction, then the fractional change in kinetic energy is :-

Select the correct option:

$\frac{1}{3}$

$\frac{2}{3}$

$\frac{1}{8}$

$\frac{1}{4}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

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