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Title: A 4.2-kg object, initially at rest, explodes into three objects of equal mass. Two of these are ... Post by: joker on Jan 21, 2018 A 4.2-kg object, initially at rest, explodes into three objects of equal mass. Two of these are determined to have velocities of equal magnitudes (5.0 m/s) with directions that differ by 90. How much kinetic energy was released in the explosion?
a. 70 J b. 53 J c. 60 J d. 64 J e. 35 J Title: A 4.2-kg object, initially at rest, explodes into three objects of equal mass. Two of these are ... Post by: heyou on Jan 21, 2018 A
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