Asked by Mozes dixon

A boy of mass 8kg falls from rest from a height of 100m, neglecting air resistance calculate his total energy after fallin down a distance of 40m

Answers

Answered by Steve
his total energy does not change
PE = 8*100

After 100m, it won't matter :-(
Answered by Mozes dixon
I dnt understand
Answered by Damon
8 * 9.8 * 100
Answered by Steve
Thanks, Damon. Forgot PE=mgh
Must have thought 8kg was his weight...
Answered by Davido
4800 J
Answered by Wisdom
Thanks for that
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