What should be the spring constant k of a spring designed to bring a 1150-kg car to rest from a speed of 86 km/h so that the occupants undergo a maximum acceleration of 4.0g?

University Physics Volume 1
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Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 63P: A pogo stick has a spring with a spring constant of 2.5104N/m , which can be compressed 12.0 cm. To...
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What should be the spring constant k of a spring designed to bring a 1150-kg car to rest from a speed of 86 km/h so that the occupants undergo a maximum acceleration of 4.0g?

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