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Lilit [14]
3 years ago
8

When a ball is being lifted work is being done to it, giving it ______ energy.

Physics
1 answer:
Mrac [35]3 years ago
6 0
Kinetic or Potential energy?

Kinetic energy is energy expended
Potential energy of energy stored










***Potential***
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A leaky 10-kg bucket is lifted from the ground to a height of 10 m at a constant speed with a rope that weighs 0.9 kg/m. Initial
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Answer:

The work done shall be 14715 Joules

Explanation:

The work done by a force 'F' in a displacement 'dy' is given by

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Thus applying values we get

W=\int m(y)g\times dy\\\\W=\int_{0}^{10}(30(1-\frac{y}{10}+0.9y)\times g)dy\\\\Solving\\W=294.3\int_{0}^{10}(1-\frac{y}{10}+0.9y)dy\\\\W=14715J

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