Question

an object of mass 30 kg when raised to a height h possess a potential energy of 2400 J find the new potential energy if the same object is raised to a height of h/4

Answer 1

Answer:

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Answer 2

Answer:

600 J

Explanation:

Mass = 30 kg.

Potential energy = mgh

2400 = mgh (Eqn. 1)

If h is raised to h/4

Then Potential Energy,

mgh/4

Since mgh = 2400 (From Eqn.1)

So New Potential Energy,

mgh/4 = 2400/4 = 600J

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