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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
13 years ago

Answers

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

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

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