a 40 kilogram girl climbs a vertical distance of
A 40 kilogram girl climbs a vertical distance of 5 meters in twenty seconds at a constant velocity. How much work has the girl done?
Ans:
2000 joules or 1960 joules work is done by the girl.
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a helicopter is ascending vertically with a constant speed of 6 meters per second relative to the ground at the instant the helicopter is 60
the uncertainty in momentum of an electron is 1 x10 -5 kg- ms the uncertainty in its position will be h 662 x 10 -34 kg - m2 s1 105 x 10-
if the distance between two objects each of mass m is tripled the force of attraction between the two objects is a 12 the original forceb 13
the uncertainty in the position of a moving bullet of mass 10 gm is 10 -5m calculate the uncertainty in its velocity1 52 x 10-28
a 40 kilogram girl climbs a vertical distance of 5 meters in twenty seconds at a constant velocity how much work has the girl doneans2000 joules or
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