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Physics, 31.01.2020 22:43 hardwick744

A25-kg child sits at the top of a 4-meter slide. after sliding down, the child is traveling at 5 m/s. how much pe does he start with? how much ke does he end with? how much energy is lost to friction?

if you push a box across the floor with a force of 30 n you push it 15 meters in 8 seconds how much work will you do how much power did you use?

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