Na crash test, a car of original length 퐿hits a concretewall and comes to a full stop without bouncing back. the wrecked car now is shorter by length δ퐿. during the collision, the average force applied to the car by the wall is 퐹. what is the approximate work done on the car by the wall?
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Na crash test, a car of original length 퐿hits a concretewall and comes to a full stop without bounci...
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