Question

A body possess potential energy of 460 J whose mass is 20 kg and is raised to a certain height. What is the height when g = 10 m/s2.

Answer 1

P.E = 460 J

M = 20 kg

We know that,

The potential energy is the product of the mass of the object, gravitational acceleration and height.

P.E = mgh =460j

h = 460j/20kg*10m ^2

h = 2.3 m

Hence, the raised height is the 2.3 m.

Answer 2

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