Physics, 18.11.2020 19:30 getsic

a 2.0 kg mass is moving on a frictionless airtrack, it collides into a motionless 1.5 kg mass, what is the combined speed of the two masses if they stick together on impact

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a 2.0 kg mass is moving on a frictionless airtrack, it collides into a motionless 1.5 kg mass, what...