To test the resiliency of its bumper during low-speedcollisions, a 1 000-kg automobile
Chapter 15, Problem 21(choose chapter or problem)
To test the resiliency of its bumper during low-speedcollisions, a 1 000-kg automobile is driven into a brickwall. The cars bumper behaves like a spring with aforce constant 5.00 3 106 N/m and compresses 3.16 cmas the car is brought to rest. What was the speed of thecar before impact, assuming no mechanical energy istransformed or transferred away during impact withthe wall?
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