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Momemtum: 1D Elastic Collision

Problem #: 1 | Variant #: 3

A cart traveling at 2.01 m/s (this movement defines the positive direction) has a head on elastic collision with a 39.7 kg cart traveling at -0.62 m/s. If the final velocity of the first cart is -0.5428 m/s, what is it's mass?

kg?

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