Automotive standards call for bumpers that sustain essentially no damage in a 4-km/h
Chapter 7, Problem 44(choose chapter or problem)
Automotive standards call for bumpers that sustain essentially no damage in a 4-km/h collision with a stationary object. As an automotive engineer, youd like to improve on that. Youve developed a spring-mounted bumper with effective spring constant 1.3 MN/m. The springs can compress up to 5.0 cm before damage occurs. For a 1400-kg car, what do you claim as the maximum collision speed?
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