ojones039 ojones039

02-04-2016
Physics

contestada

What is the potential of a 35kg child sitting at the top of a slide that is 3.5m above the ground? What is her kinetic energy if she moves down the slide at a speed of 5.0m/s??

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evroberts1 evroberts1

03-04-2016

Ep = mgh
= (35)(9.8)(3.5)
= 1200.5 J

Ek = (1/2)(mv^2)
= (0.5)(35)(5^2)
= 437.5 J

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