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A particle moves with a velocity v=(5hat...

A particle moves with a velocity `v=(5hati-3hatj + 6hatk) ms^(-1)` under the influence of a constant force
`F =(10hati + 10hatj + 20hath) N`, the instantaneous power applied to the particle is.

A

200 J/s

B

40J/s

C

140 J/s

D

170 J/s

Text Solution

Verified by Experts

The correct Answer is:
C
`P=vec(F)vec(v).50-30 +120=140 J`
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