An archer applies an averafge force of 200 N to draw the bow string back 1.3m.
How much mechanical potential energy is stored in the streched bow?
How much kinetic enery does the arrow have before it is released?
How much potiential energy will the arrow have after it leaves the bow string?
If a 0.3 kg arrow is shot from this bow, then how fast will it be moving just after it leaves the bow string?