Homework Help: physics

Posted by Melissa on Tuesday, May 8, 2012 at 8:32pm.

A boy fires a 60 g pebble with his slingshot. The pebble leaves the slingshot at 35m/s

How high above the slingshot will the pebble rise if it's fired straight up?

physics - Elena, Wednesday, May 9, 2012 at 3:51am
KE =PE
m•v²/2 =m•g•h
h = v²/2•g =(35)²/2•9.8 =62.5 m

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