Physics, 09.04.2021 14:00, coleman310

At a children's playground, Calvin of mass 30kg climbs up a concrete slide of height 2.3m. He slides down the slope that has length of 5m. At the end of the slope, which is 0.3m above the ground, his velocity is 1ms^-1
a. What is his change in potential energy?
b. What is his kinetic energy at the end of the slope?
c. Find the average friction against his motion along the slope.

Answers: 3

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At a children's playground, Calvin of mass 30kg climbs up a concrete slide of height 2.3m. He slides...