What should be the initial potential energy of a pile driver ram so that when it strikes piles, it delivers a kinetic energy of 20 KJ?

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01-02-2021
Physics

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What should be the initial potential energy of a pile driver ram so that when it strikes piles, it delivers a kinetic energy of 20 KJ?

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Onyebuchinnajiidn Onyebuchinnajiidn · Answer 1 · 2021-02-02T20:05:03-05:00

Onyebuchinnajiidn Onyebuchinnajiidn

02-02-2021

Answer:

the initial potential energy should be 20 kJ.

Explanation:

Based on law of conservation of energy, the kinetic energy delivered by the pile driver when it strikes the piles, should be equal to the initial potential energy.

Since the final kinetic delivered is given as 20 kJ, then the initial potential energy should be 20 kJ.

Therefore, the initial potential energy should be 20 kJ.

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