Homework Help: physics

Posted by Mota on Friday, January 29, 2010 at 11:42am.

Robin exerts a force of 100 N in pulling back his bow by 0.5 m. He fires the arrow (mass=0.2 kg) vertically upwards.
a-How much energy is stored in his bow.
b-How high does the arrow go?

physics - drwls, Friday, January 29, 2010 at 11:51am
a) Stored energy = Work
= Force x (distance string is pulled)

b) M g H = stored energy
Solve for the height, H

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