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A body of mass 2 kg is thrown up vertica...

A body of mass `2 kg` is thrown up vertically with kinetic energy of `490 J`. If `g = 9.8m//s^(2)`, the height at which the kinetic energy of the body becomes half of the original value, is

A

50 m

B

25 m

C

`12.5 m`

D

`19.6 m`

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`mgh = 1/2 KE`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE - 1 (C.W)
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