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# Two vehicles are approaching an intersection. One is a ISBN: 9780321675460 31

## Solution for problem 4E Chapter 8

University Physics | 13th Edition

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Problem 4E

Two vehicles are approaching an intersection. One is a 2500-kg pickup traveling at 14.0 m/s from east to west (the -x-direction), and the other is a 1500-kg sedan going from south to north (the +y-direction) at 23.0 m/s. (a) Find the x- and y-components of the net momentum of this system. (b) What are the magnitude and direction of the net momentum?

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Solution 4E a) The velocity of the 2500 kg vehicle is 14 m/s. The velocity of the 1500 kg sedan is 23 m/s. But velocity is a vector quantity and there is a direction associated with it. So, let the diagram be as a xy coordinate system. So, The velocity of the 2500 kg vehicle is -14 m/s. The velocity of the 1500 kg sedan is +23 m/s. These are the only components and the other two components are zero. The x component of momentum of the 2500...

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##### ISBN: 9780321675460

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