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Two battling robots are fighting it out on a frictionless surface.
Two battling robots are fighting it out on a frictionless surface. Robot A has a mass of 20kg and initially moves at 2.0 ms^-1 parallel to the x-axis. It collides with robot B which has a mass of 12kg and is initially at rest. After the collision, robot A moves at 1ms^-1 in a direction that makes an angle of 30 degrees with it’s initial direction. What is the final velocity of robot B?