An automobile having a mass of 1.00 x 103 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 5.00 x 106 N/m and is compressed 3.16 cm as the car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall?

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter16: Oscillations
Section: Chapter Questions
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An automobile having a mass of 1.00 x 103 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 5.00 x 106 N/m and is compressed 3.16 cm as the car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall?

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