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A man throws the bricks to a height of 12 m where they reach with a speed of `12 m//s`. If he throws the bricks such that they just reach that height, what percentage of energy will be saved? `(g = 9.8 m//s^(2))`

A

`29%`

B

`46%`

C

`38%`

D

`50%`

Text Solution

Verified by Experts

The correct Answer is:
C
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PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-MCQ
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