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3. Work and Conservation of Energy:Calculate the height of a building if 20,000 J energy is required to 200 kg of water from a wellto a tank on the top of the building.of lift

3 Work and Conservation of EnergyCalculate the height of a building if 20000 J energy is required to 200 kg of water from a wellto a tank on the top of the buil class=

Respuesta :

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Work = mgh,        where m = mass, g = acceleration due to gravity, h = height

Let g ≈ 10 m/s²,   mass = 200 kg

2000 J = 200 * 10 * h

200 * 10 * h = 2000

h = 2000/(200* 10)

h = 1

The height of the building is 1 m.

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