At what rate is the boy employing energy
At what rate is the boy of 60.0 kg employing energy if he runs up a flight of stairs 10.0 m high, in 8.00 s?
i) 80.0 W
ii) 75.0 W
iii) 736 W
iv) 4.80 kW
v) 48 W
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You set out to design a car which employs the energy stored in the flywheel comprising of a uniform cylinder of 99 kg of radius R that consists of a maximum angular speed of around 440 rev/s.
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