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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 W`

B

`320 W`

C

`140 W`

D

`170 W`

Text Solution

Verified by Experts

The correct Answer is:
C

`P_(i) = F.v`
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DC PANDEY-WORK, ENERGY & POWER-Level 1 Objective
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