Question

calculate change in potential energy when abag of mass 12 kg is raised from point A (3m) point B (15m) (g= 10m /s square.​

Answer 1

Answer:

change in potential energy is 1440J

Explanation:

let h1 be 3m and h2 be 15m

g = 10m/s^2 and m = 12 kg

change in potential energy :-

mgh2-mgh1

=mg(h2-h1)

=12×10(15-3)

=120×12

= 1440

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