A 950 kg automobile is at rest at a traffic signal. At the instant the light turns green, the automobile starts to move with a constant acceleration of 4.6 m/s2. At the same instant a 2350 kg truck, traveling at a constant speed of 9.6 m/s, overtakes and passes the automobile. (a) How far is the center of mass of the automobile-truck system from the traffic light at t = 3.7 s? (b) What is the speed of the center of mass of the automobile-truck system then?
A 950 kg automobile is at rest at a traffic signal. At the instant the light turns green, the automobile starts to move with a constant acceleration of 4.6 m/s2. At the same instant a 2350 kg truck, traveling at a constant speed of 9.6 m/s, overtakes and passes the automobile. (a) How far is the center of mass of the automobile-truck system from the traffic light at t = 3.7 s? (b) What is the speed of the center of mass of the automobile-truck system then?
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 9.60P
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A 950 kg automobile is at rest at a traffic signal. At the instant the light turns green, the automobile starts to move with a constant acceleration of 4.6 m/s2. At the same instant a 2350 kg truck, traveling at a constant speed of 9.6 m/s, overtakes and passes the automobile. (a) How far is the center of mass of the automobile-truck system from the traffic light at t = 3.7 s? (b) What is the speed of the center of mass of the automobile-truck system then?
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