Asked by Parker

At rest, a swing is 23.7m above the ground. When Sam performs he always pulls the swing as high as he can to 45.5m. While performing Sam 88.1 kg, is moving pretty fast at his lowest point 23.7m above the ground. What is his kinetic energy at that point? (j)

Answers

Answered by bobpursley
mgh=bottom KE

86.1*g*(45.5-23.7)=KE at bottom
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