How much kinetic energy did the heavier piece acquire
An explosion breaks an object initially at rest into two pieces, one of which has 2.8 times the mass of the other. If 8700 J were released in the explosion, how much kinetic energy did the heavier piece acquire?
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a) Calculate the work done by Fx when the object moves in the x-direction from x1 to x2. b) If x2 > x1, is the work done by Fx positive or negative?
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