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Q)
The force required to row a boat at constant velocity is proportional to sq
The force required to row a boat at constant velocity is proportional to square of its speed. If a speed v km/h requires 4 kW, how much power does a speed of 2v km/h require?
(1) 8kW
(2) 16kW
(3) 24kW
(4) 32kW
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