If a rubber ball falls from a height|Work, Power & Energy

JEE MAIN 2024

04-04-24 S1

Question

If a rubber ball falls from a height h and rebounds upto the height of h/2. The percentage loss of total energy of the initial system as well as velocity ball before it strikes the ground, respectively, are :

Select the correct option:

$50 \%, \sqrt{\frac{\mathrm{gh}}{2}}$

$50 \%, \sqrt{\mathrm{gh}}$

$40 \%, \sqrt{2 \mathrm{gh}}$

$50 \%, \sqrt{2 \mathrm{gh}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

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