Crash Barrier A student proposes a design for an automobile crash barrier in which a 1700-kg sport

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Crash Barrier A student proposes a design for an automobile crash barrier in which a 1700-kg sport utility vehicle moving at 20.0 m/s crashes into a spring of negligible mass that slows it to a stop. So that the passengers are not injured, the acceleration of the vehicle as it slows can be no greater than 5.00g. (a) Find the required spring constant 1<, and find the distance the spring will compress in slowing the vehicle to a stop. In your calculation disregard any deformation or crumpling of the vehicle and the friction between the vehicle and the ground. (b) What disadvantages are there to this design?
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