Physics, 02.03.2021 05:20 newyorkvincetti

A cart of mass m moves to the right on a frictionless track at speed v1. The cart collides and sticks to another cart moving to the right at speed v2 with mass 4m.
Which of the following quantities are conserved during the collision?

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A cart of mass m moves to the right on a frictionless track at speed v1. The cart collides and stick...