4. The speed-time graph of a moving object is shown below. speed/m s-¹ 7 6 5 32 P O R S 3 5 7 9 -time/s Which segment of the graph shows the greatest average speed of the object? A P BQ CR D S

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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No.4 and No.5
9
t/s
ements correctly
th cars?
h other at 0s and
han car A. After 7 s,
A continues to move
After 6.5 s, car A is
rval, car B is leading.
(
)
ally up to a man
by. If the stone is
F 7.0 m s-1, what is
the instant when it is
2 ms-¹
4 m s-¹
from 20 m s-¹ to
s. What are its
e travelled during
4. The speed-time graph of a moving object is
shown below.
speed/m s-¹
7
6
5
3
2
0
-10
-10
P
1 cm 2 cm
3
0
5
A 0.5 cm s-¹
C 20 cm s-¹
R S
7 9
Which segment of the graph shows the
greatest average speed of the object?
A P
CR
B Q
D
S
20
20
3 cm
5. A ticker tape timer vibrates at 50 Hz. The tape in the
diagram shows the distance moved by a trolley.
time/s
B
D
4 cm
What is the average speed of the trolley for the
interval shown?
)
12 cm s-¹
125 cm s-¹
Transcribed Image Text:9 t/s ements correctly th cars? h other at 0s and han car A. After 7 s, A continues to move After 6.5 s, car A is rval, car B is leading. ( ) ally up to a man by. If the stone is F 7.0 m s-1, what is the instant when it is 2 ms-¹ 4 m s-¹ from 20 m s-¹ to s. What are its e travelled during 4. The speed-time graph of a moving object is shown below. speed/m s-¹ 7 6 5 3 2 0 -10 -10 P 1 cm 2 cm 3 0 5 A 0.5 cm s-¹ C 20 cm s-¹ R S 7 9 Which segment of the graph shows the greatest average speed of the object? A P CR B Q D S 20 20 3 cm 5. A ticker tape timer vibrates at 50 Hz. The tape in the diagram shows the distance moved by a trolley. time/s B D 4 cm What is the average speed of the trolley for the interval shown? ) 12 cm s-¹ 125 cm s-¹
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