Questions
A motor boat is travelling with a speed of 3.0 m/sec. If the force on it due to water flow is 500 N, the power of the boat
detailed solution
Correct option is C
P=Fv=500×3=1500 W=1.5 kWTalk to our academic expert!
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Sand drops vertically at the rate of 2 kgs–1 on to a conveyor belt moving horizontally with a velocity of 0.1 ms–1. The extra power needed to keep the belt moving is
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