Before -15.0 m/s After +2.60 m/s 20070 a b Figure 9.5 (Example 9.3) (a) This car's momentum changes as a result of its collision with the wall. (b) In a crash test, much of the car's initial kinetic energy is transformed into energy associated with the damage to the car. Bill Pugliano/Getty Images News/Getty Images
Before -15.0 m/s After +2.60 m/s 20070 a b Figure 9.5 (Example 9.3) (a) This car's momentum changes as a result of its collision with the wall. (b) In a crash test, much of the car's initial kinetic energy is transformed into energy associated with the damage to the car. Bill Pugliano/Getty Images News/Getty Images
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 9.3OQ: A massive tractor is rolling down a country road. In a perfectly inelastic collision, a small sports...
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In a particular crash test, a car of mass 1 500 kg collides with a wall as shown in Figure 9.5. The initial and final velocities of the car are ν→i = 215.0î m/s and
ν→f = 2.60î m/s, respectively. If the collision lasts 0.150 s, find the impulse on the car during the collision and the average net force exerted on the car.
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