A 1150 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 5.6 m/s2. At the same instant a 2250 kg truck, traveling at a constant speed of 8.4 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 1150 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 5.6 m/s2. At the same instant a 2250 kg truck, traveling at a constant speed of 8.4 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?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
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
Transcribed Image Text:A 1150 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 5.6 m/s?. At the same instant a 2250 kg truck, traveling at a constant
speed of 8.4 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) Number
i
Unit
(b) Number
i
Unit
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