Physics Fundamentals
Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 2, Problem 1Q
To determine

The greatest magnitude of acceleration among all the cars.

Expert Solution & Answer
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Answer to Problem 1Q

The magnitude of the acceleration of car C is greatest among all the cars.

Explanation of Solution

Given:

The time for all the cars is, t=1s

The initial velocity for car A is, vx0=0m/s

The initial velocity for car B is, vx0=20m/s

The initial velocity for car C is, vx0=10m/s

The final velocity for car A is, vx=2m/s

The final velocity for car B is, vx=23m/s

The final velocity for car C is, vx=5m/s

Formula used:

The expression for the acceleration of the car is given by,

  ax=vxvx0t

Here, t is the time interval.

Calculation:

The magnitude for the acceleration of car A is calculated as,

  ax=vxv x0t=2m/s0m/s1s=2m/s2

The magnitude for the acceleration of car B is calculated as,

  ax=vxv x0t=23m/s20m/s1s=3m/s2

The magnitude for the acceleration of the car C is calculated as,

  ax=vxv x0t=5m/s10m/s1s=5m/s2

Conclusion:

Therefore, the magnitude of the acceleration of car C is greatest among all the cars.

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