A car drives around a circular track of diameter 161 m at a constant speed of 40.8 m/s. During the time it takes the car to travel 171 degrees around, what is the magnitude of the car s average acceleration? 0 m/s^2 20.68 m/s^2 10.34 m/s^2 13.81 m/s^2

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 12OQ
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QUESTION 5

A car drives around a circular track of diameter 161 m at a constant speed of 40.8 m/s. During the time it takes the car to travel 171 degrees around, what is the magnitude of the car s average acceleration?
   
0 m/s^2
   
20.68 m/s^2
   
10.34 m/s^2
   
13.81 m/s^2
 

 

QUESTION 6

You launch a projectile with an initial speed of 39.3 m/s from the top of a building 62.7 m above the ground, at an angle of 29.6 degrees above the horizontal. How far from the base of the building does the projectile land on the ground?

   
259.1 m
   
207.3 m
   
135.2 m
   
171.3 m
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