Homework Statement
What should be the spring constant k of a spring designed to bring a 1440 kg car to rest from a speed of 111 km/h so that the occupants undergo a maximum acceleration of 5.0 g?
____N/m
Homework Equations
F=-kx
F=ma
V2=v(initial)2 + 2a(x)
v=v(initial) + at
The...