A rubber ball is released | CENTRE OF MASS

JEE MAIN 2021

17-03-2021 S2

Question

A rubber ball is released from a height of 5 m above the floor. It bounces back repeatedly, always rising to 81/100 of the height through which it falls. Find the average speed of the ball. (Take g $\left.=10 \mathrm{~ms}^{-2}\right)$

Select the correct option:

$3.0 \mathrm{~ms}^{-1}$

$3.50 \mathrm{~ms}^{-1}$

$2.0 \mathrm{~ms}^{-1}$

$2.50 \mathrm{~ms}^{-1}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

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