A force of 7 hati+ 6 hatk newton makes a...

A force of `7 hati+ 6 hatk` newton makes a body move on a rough plane with a velocity of `3 hatj + 4 hatk` `ms^-1` . Calculate the power in watt.

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A forc of 7hati + 6hatk newton makes a body move on a rough plane with a velocity of 3 hatj +4 hatk ms^(-1) . Calculate the power in watt.

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SL ARORA-Motion in a Plane-Example

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For any to vectors vec A and vec B, prove that | vec A xx vec B|^2 ...
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