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.
A homogeneous cylinder of 40 kg of radius 21 cm is rolling devoid of slipping all along a horizontal floor at a speed of 11 m/s. Determine the minimum amount of work which was needed to give it this motion?
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Explain how solutions appear to behave as t increases and how behavior depends on initial value y0 when t=0. y' = ty(3-y).
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A ball of 100 g and a ball of 240 g are join by a 34 cm long, mass-less, rigid rod. The balls rotate around their center of mass at 120 rpm.
A specific tower clock identical to Big Ben consists of an hour hand of 2.70 m long with a mass of around 58.0 kg and a minute hand 4.45 m long having a mass of 100 kg. Compute the net rotational kinetic energy of the two hands around the axis of
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