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Kinematics-1D

346 Questions Start Allen Test
All Exams Allen Objective Errorless
Q126 Allen 5. GRAPHICAL ANALYSIS MCQ
Fig. shows the displacement of a particle moving along x-axis as a function of time. The velocity of the particle is zero at :-
A.
A
B.
B
C.
C
D.
D
Q127 Allen 5. GRAPHICAL ANALYSIS MCQ
The displacement-time graph of a moving particle is shown. The instantaneous velocity of the particle is positive at the point :
A.
D
B.
F
C.
C
D.
E
Q128 Allen 5. GRAPHICAL ANALYSIS MCQ
A person walks along an east-west street and a graph of his displacement from home is shown in figure. His average speed for the whole time interval is
A.
0
B.
23 m/s
C.
8 m/s
D.
None of these
Q129 Allen 5. GRAPHICAL ANALYSIS MCQ
A particle is moving in a straight line y=3x. Its velocity time graph is shown in figure. Its speed is minimum at t=.....
A.
2s
B.
4s
C.
6s
D.
8s
Q130 Allen 5. GRAPHICAL ANALYSIS MCQ
The displacement-time graph for two particles A and B are straight lines inclined at angles of $30^{\circ}$ and $60^{\circ}$ with the time axis. The ratio of velocity of particle A & B ( $V_{A}:V_{B}$ ) is :-
A.
$1:2$
B.
$1:\sqrt{3}$
C.
$\sqrt{3}:1$
D.
$1:3$
Q131 Allen 5. GRAPHICAL ANALYSIS MCQ
Which one of the following curves do not represent motion in one dimension :-
A.
B.
C.
D.
Q132 Allen 5. GRAPHICAL ANALYSIS MCQ
Which of the following displacement-time graphs shows a realistic situation for a body in motion?
A.
B.
C.
D.
Q133 Allen 5. GRAPHICAL ANALYSIS MCQ
Which of the following velocity-time graphs represent uniformly accelerated motion?
A.
B.
C.
D.
Q134 Allen 5. GRAPHICAL ANALYSIS MCQ
The fig. shows the position time graph of a particle moving on a straight line path. What is the magnitude of average speed of the particle over 10 seconds?
A.
2 m/s
B.
4 m/s
C.
6 m/s
D.
8 m/s
Q135 Allen 5. GRAPHICAL ANALYSIS MCQ
From the following velocity time graph of a body the distance travelled by the body and its displacement during 5 seconds in metres will be :
A.
75, 75
B.
110, 70
C.
110, 110
D.
110, 40
Q136 Allen 5. GRAPHICAL ANALYSIS MCQ
The v-t graph of linear motion of a particle starts its motion from origin is shown in adjoining figure. The distance of particle from origin after 8 sec. is :-
A.
18 meters
B.
16 meters
C.
8 meters
D.
6 meters
Q137 Allen 5. GRAPHICAL ANALYSIS MCQ
A particle moves according to given velocity-time graph. Then the ratio of distance travelled in last 4 seconds and 9 seconds is :-
A.
$\frac{1}{4}$
B.
$\frac{2}{5}$
C.
$\frac{1}{8}$
D.
$\frac{4}{11}$
Q138 Allen 5. GRAPHICAL ANALYSIS MCQ
The velocity-time graph of a body moving in a straight line is shown in the figure. The displacement and distance travelled by the body in 6 s are, respectively :-
A.
8 m, 16 m
B.
$16 \mathrm{~m}, 8 \mathrm{~m}$
C.
16 m, 16 m
D.
$8 \mathrm{~m}, 8 \mathrm{~m}$
Q139 Allen 5. GRAPHICAL ANALYSIS MCQ
The variation of velocity of a particle moving along a straight line is illustrated in the figure. The distance transversed by the particle in 3 seconds is
A.
60 m
B.
45 m
C.
55 m
D.
30 m
Q140 Allen 5. GRAPHICAL ANALYSIS MCQ
Velocity-time (v-t) graph for a moving object is shown in the figure. Total displacement of the object during the time interval when there is zero acceleration is:-
A.
60 m
B.
50 m
C.
30 m
D.
40 m
Q141 Allen 5. GRAPHICAL ANALYSIS MCQ
The velocity versus time curve of a moving particle is as shown in the following figure. The maximum acceleration is
A.
$$<br /> 1 \mathrm{m} \sec^ {- 2}<br /> $$
B.
$$<br /> 2 \mathrm{m} \sec^ {- 2}<br /> $$
C.
$$<br /> 3\mathrm{m} \sec^ {- 2}<br /> $$
D.
$$<br /> 4\sec^ {- 2}<br /> $$
Q142 Allen 5. GRAPHICAL ANALYSIS MCQ
Find the average acceleration of the block from time t=2 sec to t=4 sec.
A.
$5\mathrm{m / s^2}$
B.
$10\mathrm{m / s^2}$
C.
$-5\mathrm{m / s^2}$
D.
$-10\mathrm{m / s^2}$
Q143 Allen 5. GRAPHICAL ANALYSIS MCQ
A particle starts from rest. Its acceleration at time t = 0 is $5 \, m/s^{2}$ which varies with time as shown in the figure. The maximum speed of the particle will be :
A.
$7.5\mathrm{m / s}$
B.
$15\mathrm{m / s}$
C.
$20\mathrm{m / s}$
D.
$37.5\mathrm{m / s}$
Q144 Allen 5. GRAPHICAL ANALYSIS MCQ
A particle starts from rest, its acceleration-time graph is shown in figure. Find out velocity at t = 4 sec
A.
20 m/s
B.
30 m/s
C.
40 m/s
D.
None of these
Q145 Allen 5. GRAPHICAL ANALYSIS MCQ
Which of the following options is correct for the object having a straight line motion represented by the following graph :-
A.
The object moves with constantly increasing velocity from O to A and then it moves with constant velocity.
B.
Velocity of the object increases uniformly
C.
Average velocity is zero
D.
The graph shown is impossible
Q146 Allen 5. GRAPHICAL ANALYSIS MCQ
For the motion of a particle acceleration-time graph is shown in figure. The velocity time curve for the duration of 0 - 4 seconds is :
A.
B.
C.
D.
Q147 Allen 5. GRAPHICAL ANALYSIS MCQ
Acceleration-time graph of a body initially at rest is shown. The corresponding velocity-time graph of the same body is :-
A.
B.
C.
D.
Q148 Allen 5. GRAPHICAL ANALYSIS MCQ
The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement :-
A.
B.
C.
D.
Q149 Allen 5. GRAPHICAL ANALYSIS MCQ
The x - t graph of a particle moving along a straight line is shown in figure. The distance-time graph of the particle is correctly shown by :
A.
B.
C.
D.
Q150 Allen 5. GRAPHICAL ANALYSIS MCQ
A particle starts from rest and move with constant acceleration. Its velocity-displacement curve is :
A.
B.
C.
D.