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A 5 kg missile is traveling at a speed of 70 m/s away from the testing...

A 5 kg missile is traveling at a speed of 70 m/s away from the testing facility when a predesigned explosion separates the missile into two sections of equal mass that then move with a speed
of 30 m/s relative to each other along the original line of motion.
a. What is the speed of each section after the explosion relative to the testing facility?
b. How much energy was supplied by the explosion?
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