Question

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

Answer 1

Answer:

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Explanation:

Answer 2

Explanation:

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