Asked by junoo
a ball of mass 0.1 is thrown up with an initial velocity of 80m/s calculate the potential energy half way up
Answers
Answered by
bobpursley
half way up, it has lost half its energy, and half the origianl KE is now PE
PE=1/2 .1 * 80^2
PE=1/2 .1 * 80^2
Answered by
bobpursley
oops, PE=1/2 KE= 1/2 * 1/2*.2*80^2
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