Question

A body of mass 5kg is taken from a height of 3m to 6m.Calculate the following:

(i) Initial potential energy.

(ii) Final potential energy.

(iii) The change in total potential energy.​

Answer 1

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Explanation:

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Answer 2

answer:

m = 5kg

h1 = 3m

h2 = 6m

(i)Initial potential energy = mgh1

= 5×9.8×3

= 147J

(ii) Final potential energy = mgh2

= 5×9.8×6

= 294J

(iii) The change in total potential energy

= 294 - 147

= 147J