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Answer on Mechanics | Relativity Question for hem raj

Question #27522
Derive an expression relating impulse and linear momentum. In a safety test, a car of mass
1000 kg is driven into a brick wall. Its bumper behaves like a spring (k = 5 × 106 Nm−1) and is
compressed by a distance of 3 cm as the car comes to rest. Determine the initial speed of the car.
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