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Physics
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A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance

Apr 26th, 2015

A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance

f*1m = 1/2 mV^2 = 1/2 0.025*80^2 = 80J

f = 80 N

Apr 26th, 2015

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