Two Bumper Cars on a Frictionless Surface Collide Elastically

question 31

Multiple Choice

Two bumper cars on a frictionless surface collide elastically.The first bumper car is moving to the right with a speed of 22.0 m/s and rear-ends a bumper car also moving to the right with a speed of 5.00 m/s.What is the speed of the first bumper car after the collision (in m/s) ? The mass of the first bumper car is 192 kg and the mass of the second bumper car is 144 kg.Assume that the collision takes place in one dimension.

• A)3.9643
• B)4.6382
• C)5.4267
• D)6.3492
• E)7.4286

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