An engine exerts a force F - 20- - 3- - 5k- N and moves with velocity v - 6- - 20- - 3k- m-s- The power of the engine in watt is

P = nbsp;F. nbsp;v = (20î 3ĵ + 5k̂). (6î+ 20ĵ 3k̂) =120 60 15 = 45 W. ...

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An engine exe...

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An engine exerts a force $\to F = (20^i - 3^j + 5^k) N$ and moves with velocity $\to v = (6^i + 20^j - 3^k) m / s .$ The power of the engine (in watt) is

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