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A 1 kg mass at rest is subjected to an a...

A `1 kg` mass at rest is subjected to an acceleration of `5m//s^(2)` and travels `40 m`. The average power during the motion is

A

40W

B

8W

C

50W

D

200W

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`P_(avg) = W/t = FS/t = maS/t , v = sqrt 2 as, t = v/a`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE - 1 (C.W)
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