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A particle is released from rest from he...

A particle is released from rest from height of `y_0` from ground as shown. When particle is at height of `y` from ground, its kinetic energy is `K` then

A

`K = mg(y_0 -y)`

B

`K = mg(y -y_0)`

C

`K = mgy`

D

`K = -mgy`

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