Question

. Derive an expression for Gravitational and elastic potential energy.
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Answer 1

Answer:

Expression for Gravitational Potential Energy at Height (h) – Derive ΔU = mgh. When, h<<R, then, R + h = R and g = GM/R2. ⇒ Note: The weight of a body at the centre of the earth is zero due to the fact that the value of g at the centre of the earth is zero.

Explanation:

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Answer 2

Answer:

Elastic potential Energy, U=mgh

since F=Gmm'/r^2

and F=mg

therefore U=F×h