benjamin-lewis_60bb87f63aafe
benjamin-lewis_60bb87f63aafe
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(1) PE = mgh PE = 60(9.8)(30) PE = 17,640 joules => answer! (2) KE = 0.5mv^2 KE = 0.5(60)(1.5)^2 KE = 67.5 joules => answer! (3) same as (2), 67.5 joules since the ski slope is smooth (frictionless) then the velocit…