Physics, 03.12.2019 03:31 tinklover1413

Amachine lifts an object of weight 200.n at constant speed of 2m⋅s−1 through a vertical distance of 4m. the efficiency of the machine is 25 %. what is the input power of the machine? give your answer in kw k w , correct to two significant figures. remember to include a unit with your answer.

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Amachine lifts an object of weight 200.n at constant speed of 2m⋅s−1 through a vertical distance of...

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