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Forward Bias

7. The force ...

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7. The force required to row a boat at constantvelocity is proportional to square of its speed. If aspeed of v km/h requires 4 kW, how much powerdoes a speed of 2v km/h require?(1) 8 kW(2) 16 kW(3) 24 kW(4) 32 kW

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