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Answer to Question #40638 in Mechanics | Relativity for Fayaz

Question #40638
Derive an expression relating impulse and linear movementum.in a safety test a car of mass 1000kg is driven into a brick wall.its bumper behaves like a spring (k=5×10^6Nm)and is compressed by a distance of 3cm as the car comes to rest .Determine the intial speed of car.
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