# A 1.0-kg cart and a 0.50-kg cart sit at different positions on a low-friction track. You...

###### Question:

A 1.0-kg cart and a 0.50-kg cart sit at different positions on a low-friction track. You push on the 1.0-kg cart with a constant 3.5-N force for 0.20 m . You then remove your hand, and the cart slides 0.35 m and strikes the 0.50-kg cart.By what amount does your force change the kinetic energy of the system's center of mass?

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