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A motor boat is going in a river with a ...

A motor boat is going in a river with a velocity `vec(V) = (4 hat i-2 hat j + hat k) ms^(-1)`. If the resisting force due to stream is `vec (F)=(5 hat i-10 hat j+6 hat k)N`, then the power of the motor boat is

A

100 W

B

50 W

C

46 W

D

23 W

Text Solution

Verified by Experts

The correct Answer is:
C
`P vec F. vec V`.
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