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A mason worker throws the bricks ot a he...

A mason worker throws the bricks ot a height of 10m, at which the bricks reach with a velocity of `6ms^(-1)`. The percentage of energy he is wasting is nearly `(g=10ms^(-2)0`

A

`15%`

B

`18%`

C

`220%`

D

`36%`

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The correct Answer is:
A
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