Asked by Mahmoud

A rock is thrown straight up with an initial velocity of 15m/s. ignore the effect of air resistance , how high will the rock rise ?

Answers

Answered by Damon
potential energy at top = kinetic energy at bottom

m g h = (1/2)m v^2
so
h = v^2/(2g)
= 225/(2*9.81)
about 11 meters
Answered by Anonymous
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