A bumper car with mass m1 = 122 kg is moving to the right with a...

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Physics

A bumper car with mass m₁ = 122 kg is moving to theright with a velocity of v₁ = 4.5 m/s. A second bumpercar with mass m₂ = 2m₁ = 244 kg is at rest.The two have an elastic collision and the first bumper car reboundsbackwards at a speed that is 1/3 of its original speed (1.5 m/s).Assume the surface is frictionless.
1) What is the change in momentumof bumper car 1? (let the positive direction be to theright)
2) What is the change in momentumof BOTH bumper cars combined?
3) What is the change in momentumof bumper car 2?
4) What is the final velocity ofcar 2?
5) What is the change in energyof bumper car 1?
6) What is the change in energyof BOTH bumper cars combined?
7) What is the change in energyof bumper car 2?

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4.1 Ratings (468 Votes)

Given that the collision is elastic the momentum and energy are conserved Given m1122 kg u145ms m2244kg u20 v115ms v2 ui velocity of bumper car i before collision vi velocity of See Answer

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