The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. (a) If a car traveling 21.0 m/s stops uniformly in 1.20 m, how long does the collision last? (b) What is the magnitude of the average force on the car? (c) What is the magnitude of the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity. g

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 5.4CYU: Check Your Understanding A 550-kg sports car collides with a 2200-kg truck, and during the...
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The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that
collapses to absorb the shock of a collision.
(a) If a car traveling 21.0 m/s stops uniformly in 1.20 m, how long does
the collision last?
(b) What is the magnitude of the average force on the car?
(c) What is the magnitude of the acceleration of the car? Express the
acceleration as a multiple of the acceleration of gravity.
g
Transcribed Image Text:The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. (a) If a car traveling 21.0 m/s stops uniformly in 1.20 m, how long does the collision last? (b) What is the magnitude of the average force on the car? (c) What is the magnitude of the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity. g
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