In a crash test, a car of mass 1.44 103 kg collides with a wall and rebounds as shown in the figure. The initial and final velocities of the car are vi = -14.9 m/s and vf = 2.58 m/s, respectively. If the collision lasts for 0.157 s, find the following. (a) the impulse delivered to the car due to the collision kg · m/s(b) the size of and direction of the average force exerted on the car (Indicate the direction with the sign of your answer.) N
In a crash test, a car of mass 1.44 103 kg collides with a wall and rebounds as shown in the figure. The initial and final velocities of the car are vi = -14.9 m/s and vf = 2.58 m/s, respectively. If the collision lasts for 0.157 s, find the following. (a) the impulse delivered to the car due to the collision kg · m/s(b) the size of and direction of the average force exerted on the car (Indicate the direction with the sign of your answer.) N
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.30P
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In a crash test, a car of mass 1.44 103 kg collides with a wall and rebounds as shown in the figure. The initial and final velocities of the car are vi = -14.9 m/s and vf = 2.58 m/s, respectively. If the collision lasts for 0.157 s, find the following.
(a) the impulse delivered to the car due to the collision
kg · m/s
(b) the size of and direction of the average force exerted on the car (Indicate the direction with the sign of your answer.)
N
kg · m/s
(b) the size of and direction of the average force exerted on the car (Indicate the direction with the sign of your answer.)
N
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