40- 0 1 minute 4. An object is launched vertically upwards into the air and its velocity-time graph is shown below. v/m st 120 m time velocity/m st 4- 3- 2 1 0. -14 -2- -3- What is the maximum displacement made by the object? A 30 m C A 4.0 m C 75m B D L 1 minute 4 15. The diagram shows the velocity against time graph for the motion of a body. What is its displacement in the first 5.0 s? B D 60 m 240 m time 6 t/s 6.0 m 90m time/s
40- 0 1 minute 4. An object is launched vertically upwards into the air and its velocity-time graph is shown below. v/m st 120 m time velocity/m st 4- 3- 2 1 0. -14 -2- -3- What is the maximum displacement made by the object? A 30 m C A 4.0 m C 75m B D L 1 minute 4 15. The diagram shows the velocity against time graph for the motion of a body. What is its displacement in the first 5.0 s? B D 60 m 240 m time 6 t/s 6.0 m 90m time/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.13,No.14 and No.15
Transcribed Image Text:10. Which of the following is the velocity-time
graph of an object moving with decreasing
acceleration?
AV
B V
B
C
11. A girl throws a ball vertically upwards with a
speed of 10 m s-¹. What is the acceleration of
the ball one second after leaving the girl's hand?
A Oms-2
5 m s2 downwards
10 m s2 downwards
10 m s2 upwards
D
C V
12. Which of the following velocity-time graphs
shows the motion of an object in free fall in the
absence of air resistance?
A V
B
t
1 minute
V
Dv
t
13. A parachutist falls for 1 minute before his
parachute opens. Which graph best describes
how his speed varies with time?
A speed
B speed
time
1 minute
)
time
C
speed
40
0
1 minute
14. An object is launched vertically upwards into the
air and its velocity-time graph is shown below.
v/m s
3-
2
1-
0.
-1-
-2-
-3-
D speed
time
A 4.0 m
C
7.5 m
What is the maximum displacement made by
the object?
A
30 m
C
120 m
2
1 minute
2 3
B 60 m
D 240 m
15. The diagram shows the velocity against time
graph for the motion of a body. What is its
displacement in the first 5.0 s?
velocity/m st
4
time
6
t/s
B 6.0 m
D 9.0 m
( )
time/s
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