Physics, 15.07.2019 04:40 batmanmarie2004

25 points! a boy with a mass 50 kg walks up the stairs from the ground to the top of a spiral water slide in 1 minute. the height of the slide is 11.5 m above the ground. as the boy slides down the slide and reaches the bottom, his speed is 12 m/s and the distance traveled along the slide is 108 m. find the mechanical energy lost by the boy in sliding down the slide. what is the average frictional force acting on the boy?

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25 points! a boy with a mass 50 kg walks up the stairs from the ground to the top of a spiral water...