Suppose the surface is frictionless

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Q. A bumper car with mass m1 = 113 kg is moving to the right with a velocity of v1 = 4 m/s. A second bumper car with mass m2 = 94 kg is moving to the left with a velocity of v2 = -3.2 m/s. The two cars have an elastic collision. Assume the surface is frictionless. What is the final velocity of car 2 in the ground (original) reference frame?

Q. A cockroach of mass m lies on the rim of a uniform disk of mass 8 m that can rotate freely about its center like a merry-go-round. Initially the cockroach and disk rotate together with an angular velocity of 0.473 rad/s. Then the cockroach walks halfway to the center of the disk.

Reference no: EM1354201

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Suppose the surface is frictionless : A bumper car with mass m1 = 113 kg is moving to the right with a velocity of v1 = 4 m/s. A second bumper car with mass m2 = 94 kg is moving to left with a velocity of v2 = -3.2 m/s.

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