The velocity against time graph below shows the motion of two cars A and B. velocity/m s¹ 8 co 6.5 C D B 9 tis Which of the following statements correctly describes the motion of both cars? A Cars A and B meet each other at 0s and 6.5 s respectively. B Initially, car B is faster than car A. After 7 s, B stops moving while A continues to move on. Initially car B is leading. After 6.5 s, car A is leading. Throughout the 9 s interval, car B is leading. (

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1.
Kinematics
The velocity against time graph below shows
the motion of two cars A and B.
velocity/m s-¹
3.
8
6
B
0
C
D
7
6.5
A
A 3.0 ms-¹
C 9.0 ms¹
B
Which of the following statements correctly
describes the motion of both cars?
A
Cars A and B meet each other at 0 s and
6.5 s respectively.
Initially, car B is faster than car A. After 7 s,
B stops moving while A continues to move
on.
9
t/s
Initially car B is leading. After 6.5 s, car A is
leading.
Throughout the 9 s interval, car B is leading.
2.
A boy throws a stone vertically up to a man
standing 2.0 m above the boy. If the stone is
thrown up with a velocity of 7.0 m s-¹, what is
the velocity of the stone at the instant when it is
caught by the man?
B 6.2 m s-¹
D 9.4 m s-¹
(
A car decelerates uniformly from 20 m s-¹ to
zero in a time interval of 2.0 s. What are its
acceleration and the distance travelled during
this time interval?
)
A
1000B
В
C
D
Acceleration/m s2 Distance/m
20
10
emil10lev givvollot 40
-10
20
-10
20
4. The speed-time graph of a moving object is
shown below.
speed/m s-¹
7
6
5
3
2
P
0T
0
1 cm 2 cm
R
3 5 7 9
Which segment of the graph shows the A
greatest average speed of the object?
A P
CR
BQ
DS
5. Aticker tape timer vibrates at 50 Hz. The tape in the
diagram shows the distance moved by a trolley.
3 cm
-time/s
A 0.5 cm S-¹
C 20 cm s-shev
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:1. Kinematics The velocity against time graph below shows the motion of two cars A and B. velocity/m s-¹ 3. 8 6 B 0 C D 7 6.5 A A 3.0 ms-¹ C 9.0 ms¹ B Which of the following statements correctly describes the motion of both cars? A Cars A and B meet each other at 0 s and 6.5 s respectively. Initially, car B is faster than car A. After 7 s, B stops moving while A continues to move on. 9 t/s Initially car B is leading. After 6.5 s, car A is leading. Throughout the 9 s interval, car B is leading. 2. A boy throws a stone vertically up to a man standing 2.0 m above the boy. If the stone is thrown up with a velocity of 7.0 m s-¹, what is the velocity of the stone at the instant when it is caught by the man? B 6.2 m s-¹ D 9.4 m s-¹ ( A car decelerates uniformly from 20 m s-¹ to zero in a time interval of 2.0 s. What are its acceleration and the distance travelled during this time interval? ) A 1000B В C D Acceleration/m s2 Distance/m 20 10 emil10lev givvollot 40 -10 20 -10 20 4. The speed-time graph of a moving object is shown below. speed/m s-¹ 7 6 5 3 2 P 0T 0 1 cm 2 cm R 3 5 7 9 Which segment of the graph shows the A greatest average speed of the object? A P CR BQ DS 5. Aticker tape timer vibrates at 50 Hz. The tape in the diagram shows the distance moved by a trolley. 3 cm -time/s A 0.5 cm S-¹ C 20 cm s-shev 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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