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A train is moving with a uniform velocit...

A train is moving with a uniform velocity of `(2 hat(i)- hat(j)+ hat(k)) ms^(-1)`. If the force required to overcome friction is `(hat(i)- 3hat(j) + 2hat(k))N`, the power of the engine is

A

7W

B

10W

C

13W

D

15W

Text Solution

Verified by Experts

The correct Answer is:
C
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