Kinematics-1D

700 Questions Start Allen Test
Q401 Allen 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.
$$<br /> 4\sec^ {- 2}<br /> $$
Q402 Allen 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.
$-10\mathrm{m / s^2}$
Q403 Allen 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.
$37.5\mathrm{m / s}$
Q404 Allen 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
Q405 Allen 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
Q406 Allen 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.
Q407 Allen 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.
Q408 Allen 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.
Q409 Allen 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.
Q410 Allen GRAPHICAL ANALYSIS MCQ
A particle starts from rest and move with constant acceleration. Its velocity-displacement curve is :
A.
B.
C.
D.
Q411 Allen GRAPHICAL ANALYSIS MCQ
The graph between the displacement x and time t for a particle moving in a straight line is shown in figure. During the interval OA, AB, BC and CD, the acceleration of the particle is :
Q412 Allen GRAPHICAL ANALYSIS MCQ
Acceleration-time curve for a body projected vertically upwards is a/an :-
A.
Parabola
B.
Ellipse
C.
Hyperbola
D.
Straight line
Q413 Allen GRAPHICAL ANALYSIS MCQ
A body is projected vertically upward from the surface of the earth, its displacement-time graph is :
A.
B.
C.
D.
Q414 Allen GRAPHICAL ANALYSIS MCQ
A rocket is launched upward from the earth's surface whose velocity time graphs shown in figure. Then maximum height attained by the rocket is:
A.
$1\mathrm{km}$
B.
$10\mathrm{km}$
C.
$100\mathrm{km}$
D.
$60\mathrm{km}$
Q415 Allen GRAPHICAL ANALYSIS MCQ
A rocket is launched upward from the earth's surface whose velocity time graphs shown in figure. Then maximum height attained by the rocket is: , height covered by the rocket before retardation is:
A.
1 km
B.
10 km
C.
20 km
D.
60 km
Q416 Allen GRAPHICAL ANALYSIS MCQ
A rocket is launched upward from the earth's surface whose velocity time graphs shown in figure. Then maximum height attained by the rocket is: , mean velocity of rocket during the time it took to attain the maximum height:
A.
100 m/s
B.
50 m/s
C.
500 m/s
D.
25/3 m/s
Q417 Allen GRAPHICAL ANALYSIS MCQ
A rocket is launched upward from the earth's surface whose velocity time graphs shown in figure. Then maximum height attained by the rocket is: , the retardation of rocket is:
A.
$50 \, m/s^{2}$
B.
$100 \, m/s^{2}$
C.
$500 \, m/s^{2}$
D.
$10 \, m/s^{2}$
Q418 Allen GRAPHICAL ANALYSIS MCQ
A rocket is launched upward from the earth's surface whose velocity time graphs shown in figure. Then maximum height attained by the rocket is: , the acceleration of rocket is:
A.
$50 \, m/s^{2}$
B.
$100 \, m/s^{2}$
C.
$10 \, m/s^{2}$
D.
$1000 \, m/s^{2}$
Q419 Allen GRAPHICAL ANALYSIS MCQ
A rocket is launched upward from the earth's surface whose velocity time graphs shown in figure. Then maximum height attained by the rocket is: , the rocket goes up and comes down on the following parts respectively:
A.
OA and AB
B.
AB and BC
C.
OA and ABC
D.
OAB and BC
Q420 Allen GRAPHICAL ANALYSIS MCQ
A ball is dropped from the certain height on the surface of glass. It collides elastically and comes back to its initial position. If this process it repeated then the velocity time graph is : (Take downward direction as positive)
A.
B.
C.
D.
Q421 Allen GRAPHICAL ANALYSIS MCQ
A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to a height d/2. Neglecting subsequent motion and air resistance, The graph according to which its velocity V varies with the height h above the ground is :-
A.
B.
C.
D.
Q422 Allen GRAPHICAL ANALYSIS MCQ
A stone is thrown upwards from top of a tower 60 m high at a speed of 20 m/s. The correct position-time graph for the time interval in which it reaches ground, is (g = 10 m/s $^{2}$ & take origin at the base of the tower):
A.
B.
C.
D.
Q423 Allen GRAPHICAL ANALYSIS MCQ
A car starts from rest and accelerates uniformly by for 4 seconds and then moves with uniform velocity which of the x-t graph represent the motion of the car?
A.
B.
C.
D.
Q424 Allen GRAPHICAL ANALYSIS MCQ
Figure shows x-t graph of a particle. Find the time t such that the average velocity of the particle during the period 0 to t is zero
A.
6 sec.
B.
8 sec.
C.
10 sec.
D.
12 sec.
Q425 Allen GRAPHICAL ANALYSIS MCQ
Graph between the square of the velocity (v) of a particle and the distance (s) moved is shown in figure. The acceleration of the particle in kilometers per hour square is :
A.
2250
B.
3084
C.
– 2250
D.
– 3084