MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
JEE
Jee Main Advanced Physics Chapter Wise Mock Test
Motion In A Straight Line
Quiz 2
1
2
3
4
5
6
7
8
9
10
11
Q.1
Which of the following option is correct for the object having a straight line motion represented by the following graph
0%
average velocity is zero
0%
velocity of the object increases uniformly
0%
the object moves with constantly increasing velocity from O to A and then it moves with constant velocity
0%
the graph shown is impossible
Q.2
A body starts from rest at time t=0, the acceleration- time graph is shown in below figure. The maximum velocity attained by the body will be
0%
110 m/s
0%
550 m/s
0%
650 m/s
0%
55 m/s
Q.3
A particle moving in a straight line covers half the distance with a speed of 3 m/s. The other half of the distance is covered in two equal time intervals with speed of 4.5 m/s and 7.5 m/s respectively. The average speed of the particle during the entire motion is
0%
4 m/s
0%
5 m/s
0%
5.5 m/s
0%
4.8 m/s
Q.4
A particle moving along x-axis has acceleration f at time t, given by $f=f_0 \frac {t}{T}$,where f_0 and T are constants. The particle at t=0 has zero velocity. In the time interval between t=0 and the instant when f=0, the particle’s velocity $v_x$ is
0%
$\frac {1}{2} f_0 T^2$
0%
$f_0 T^2$
0%
$\frac {1}{2} f_0 T$
0%
$f_0 T $
Q.5
The relation between time t and distance x is $t=ax^2+bx$,where a and b are constants. The acceleration is
0%
$-2abv^2$
0%
$2bv^3$
0%
$-2av^3 $
0%
$2av^2$
Q.6
A ball is dropped from a bridge 122.5 m above a river.After the ball has been falling for 2 seconds, a second ball is thrown straight down after it. What must the initial velocity of the second ball be so that both hit the water at the same time?
0%
40 m/s
0%
26.1 m/s
0%
9.6 m/s
0%
55.5 m/s
Q.7
A car is moving at a speed of 50 km/hr can be stopped by brakes after atleast 6 m.If the same car is moving with the speed of 100km/hr,the minimum stopping distance is
0%
12 m
0%
18 m
0%
6 m
0%
24 m
Q.8
Two boys are standing at the ends A and B of a ground, where AB=a. The boy at B starts running in a direction perpendicular to AB with velocity The boy at A starts running simultaneously with velocity v and catches the other by in a time t, where t is
0%
$\frac {a}{\sqrt {v^2+v_1^2 }}$
0%
$\sqrt { \frac {a^2}{v^2 -v_1^2}}$
0%
$\frac {a}{v-v_1}$
0%
$\frac {a}{v+v_1}$
Q.9
A bus starts from rest with an acceleration of A man, who is 48 m behind the bus, starts with a uniform velocity of 10 m/s. Then, the minimum time after which the man will catch the bus is
0%
4 sec
0%
8 sec
0%
16 sec
0%
10 sec
Q.10
The acceleration ‘a’ in m/s
^{2}
of a particle is given by $a=3t^2+2t+2$ where t is the time in seconds. If the particle starts out with a velocity v=2 m/s at t=0, then the velocity at the end of 2 seconds is
0%
12 m/s
0%
36 m/s
0%
27 m/s
0%
18 m/s
Q.11
A body starting from rest moves along a straight line with a constant acceleration. The variation of speed (v) with distance (s) is represented by the graph
0%
a
0%
b
0%
c
0%
d
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page