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Arocket is fired vertically upward. at the instant it reaches some altitude with a speed of 100 m/s. it explodes into three fragments having equal mass. one fragment moves upward with a speed of 150 m/s following the explosion. the second fragment has a speed of 150 m/s and is moving east right after the explosion. what is the velocity of the third fragment immediately after the explosion?
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Arocket is fired vertically upward. at the instant it reaches some altitude with a speed of 100 m/s....
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