300 250 200 ✗ 150 100 50 Z 0 0 48 12 16 20

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter1: Measurement
Section: Chapter Questions
Problem 9MC
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Question

The distances travelled by X, Y & Z are graphed.

What is the instantaneous speed of Y at 10 s closest to?

 

100 m s–1

 

20 m s–1

 

10 m s–1

Which has the least speed at 16 s?

 

Y

 

Z

 

X

What is the average speed of Z from 0 s to 20 s closest to?

 

133 m s–1

 

267 m s–1

 

50 m s–1

At what time are the accumulated distances of X and Y equal?

 

7.5 s

 

15 s

 

10 s

300
250
200
✗
150
100
50
Z
0
0 48 12
16
20
Transcribed Image Text:300 250 200 ✗ 150 100 50 Z 0 0 48 12 16 20
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