A P and Q CR and S 29. On which of these slopes does the ball roll down with increasing speed and decreasing acceleration? (Neglect frictional forces) B A C D Q and S 2 30. The figure below shows the acceleration-time graph of an object, moving towards the right. a/m s-2 -1- D 24 -t/s Which of the following curves correctly shows the velocity-time graph of the binet?

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No.29 and No.30
hich is initially at rest rolls down a
inclined plane as shown below.
of the speed-time graphs best represents
tion of the car?
ed
ed
tion
ght
ty/m s
4
time
1
-time
2
B speed
-laden trolley in a supermarket is difficult
from rest and difficult to stop while it is
This is due to its
D speed
B) inertia
momentum
Owing graph represents two objects A
a state of linear motion. Which one of
wing statements is correct?
L
3 4
5
B
time
LA
time
(
time/s
(
)
ertakes A at the end of the third second.
ertakes A at the end of the fifth
nd.
= first three seconds, the average
d of B is greater than that of A.
first five seconds, the average speed
s greater than that of A.
moves horizo
surface whilst PQ and RS are frictionless.
Between which of the following points on
its path does the object move with constant
speed?
A P and Q
CR and S
A
smooth surface
C
29. On which of these slopes does the ball roll
down with increasing speed and decreasing
acceleration? (Neglect frictional forces)
161
rough surface
2
0
a/m s-²
A
v/m s-¹
-1---
30. The figure below shows the acceleration-time
graph of an object, moving towards the right.
8:
C v/m s¹
16-
B
D
8:
B
D
smooth surface
R
S
Q and R
Q and S
Which of the following curves correctly shows
the velocity-time graph of the object?
A
B
24 t/s
24 t/s
D
24
v/m s
16
t/s
16-
8
v/m s-¹
24
24
-t/s
t/s
Transcribed Image Text:hich is initially at rest rolls down a inclined plane as shown below. of the speed-time graphs best represents tion of the car? ed ed tion ght ty/m s 4 time 1 -time 2 B speed -laden trolley in a supermarket is difficult from rest and difficult to stop while it is This is due to its D speed B) inertia momentum Owing graph represents two objects A a state of linear motion. Which one of wing statements is correct? L 3 4 5 B time LA time ( time/s ( ) ertakes A at the end of the third second. ertakes A at the end of the fifth nd. = first three seconds, the average d of B is greater than that of A. first five seconds, the average speed s greater than that of A. moves horizo surface whilst PQ and RS are frictionless. Between which of the following points on its path does the object move with constant speed? A P and Q CR and S A smooth surface C 29. On which of these slopes does the ball roll down with increasing speed and decreasing acceleration? (Neglect frictional forces) 161 rough surface 2 0 a/m s-² A v/m s-¹ -1--- 30. The figure below shows the acceleration-time graph of an object, moving towards the right. 8: C v/m s¹ 16- B D 8: B D smooth surface R S Q and R Q and S Which of the following curves correctly shows the velocity-time graph of the object? A B 24 t/s 24 t/s D 24 v/m s 16 t/s 16- 8 v/m s-¹ 24 24 -t/s t/s
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