Originally posted by Traildust
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You can't compare a 40lb bow to a 100lb bow because they put different amounts of energy into the arrow. If we standardize (make the same) the energy going into the arrow the kinetic energy coming out will be the same. This is because the same work was being done.
This way we are comparing the pure difference in momentum........not the difference between a 40lb bow and a 100lb bow.
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