Chapter 3, Problem 5P

### College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

Chapter
Section

### College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

# Explain whether the following particles do or do not have an acceleration: (a) a particle moving in a straight line with constant speed and (b) a particle moving around a curve with constant speed.

To determine
The x and y components of the car’s average acceleration.

Explanation

The x component of the carâ€™s average acceleration is,

aav,x=Î”vxÎ”t=vx,fâˆ’vx,iÎ”t

• vx,f is the x component of the final velocity
• vx,i is the x component of the initial velocity
• Î”t is the time taken

Substitute 25.0â€‰m/s for vx,i , 0â€‰m/s for vx,f and 6.00â€‰s for Î”t .

aav,x=0â€‰m/sâˆ’25.0â€‰m/s6.00â€‰s=âˆ’4

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