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A particle moves with a velocity (5hati...

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

A

`200 Js^(-1)`

B

`400 Js^(-1)`

C

`140 Js^(-1)`

D

`170 Js^(-1)`

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SL ARORA-Work, Energy and power-EXERCISE
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  9. In an inelastic collision, what is conserved

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