A pendulum reaches a height of 0.3 m at the top of its swing. If the bob has a mass of 5 kg, what is the potential energy at the top of its swing?

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

From the question we have

PE = 5 × 9.8 × 0.3

We have the final answer as

Hope this helps you

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