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a 2.1 weight receives 210 j of kinetic energy by a launcher, which is pointed straight up.Asked by lily
a 2.1 weight receives 210 j of kinetic energy by a launcher, which is pointed straight up.
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Answered by
Jossie
solution,EK=1/2mv^2..210=1/2(2.1)v^2..square root 210/0.24=60.4J
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