Spring constant of a bumper on a car physics problem?

K

Kyle

New member
The bumper on a car is made of flexible plastic so that it will compress on impact and 'cushion' the occupants during a collision. Suppose a car of mass m = 1200 kg is traveling at 2.3 m/s when it strikes a brick wall. It is found that the bumper compresses a maximum amount 4.7 cm. What is the spring constant of the bumper? anser in N/m
 
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