Physics, 04.04.2020 10:23, jaccamoboy

A billiard ball of mass m moving with speed v1=1 m/s collides head-on with a second ball of mass 2m which is at rest. What is the velocity of the ball of mass 2m after the collision?

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A billiard ball of mass m moving with speed v1=1 m/s collides head-on with a second ball of mass 2m...