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How much work is required to lift a 360 kilogram piano to a window whose height is 10 meters from the ground?
Wiki User
∙ 9y ago
We could actually solve that if we knew ==> the weight of the piano,
and ==> the distance between floors.
The power is:
[ (weight of the piano in newtons) x (distance between floors in meters) / 10 ] watts.
Wiki User
∙ 13y ago
Anonymous
36000J
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420,000 j
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420,000 j
How many joules of work are needed to life a 15 kilogram mass 3 meters off the ground?
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20 meters per second
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That depends how high you lift it.The work is mgh (mass x gravity x height). If the mass is in kilograms, gravity is in newton/kilogram (Earth gravity is about 9.8 newton/kilogram), and the height is in meters, then the work will be in joules.
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