Statement A : An engine A can perform a given work in 1 hr and engine B can perform the same work in ½ hr then B has greater power than A. Statement B : Power is the dot product of force and velocity

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A & B is correct

A & B are wrong

A is correct and B is wrong

A is wrong & B is correct

answer is A.

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Detailed Solution

Average power = Total work done/Total time, so average power of B is greater than that of A. Also,

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