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18-04-2022
Physics

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A 430 kg piano is to be slid up a 3.5 m frictionless plank at a constant speed. The plank makes an angle of 30° with the horizontal. Calculate the work done by the person sliding the piano up the plank.

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bradytownsend767 bradytownsend767

18-04-2022

Answer:

10628.87 1

Explanation:

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