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Mass 1 is moving at 3 m/s in the +x direction and it collides inelastically with...

Mass 1 is moving at 3 m/s in the +x direction and it collides inelastically with mass 2 of 16 kg moving at 13 m/s in the + x direction. 138 Joules of KE is lost in this collision. What is the average force on mass 1 if the collision takes place in 0.3 seconds? Answer in Newtons.

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