The front 1.20 meter of a 1300 kilogram van is designed as a "crumple zone" that collapses to absorb the shock of a collision.
(a) If a van traveling 21.0 m/s stops uniformly in 1.20 meter, estimate how long does the collision last?
s
(b) Find the magnitude of the average force on the van?
N
(c) Determine the acceleration of the van? Express the acceleration as a multiple of the acceleration of gravity.
g