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Need physics help please?
(a) If the KE of an arrow is tripled, by what factor has its speed increased?
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(b) If the speed is doubled, by what factor does its KE increase?
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1 Answer
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- 9 years agoFavorite Answer
So we know that KE=1/2mv^2 if you triple KE of an arrow, the energy just triples.
Rather than if you double the speed, the KE increases by a factor of 4.
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