← Back to Physics-I

Kinematics-1D

238 Questions Start Errorless Test
All Exams Allen Objective Errorless
MP PET 2002 Q176 Errorless 3. Non-uniform Motion MCQ
The path of a particle moving under the influence of a force fixed in magnitude and direction is
A.
Straight line
B.
Circle
C.
Parabola
D.
Ellipse
Pb. PMT 2002 Q177 Errorless 3. Non-uniform Motion MCQ
The engine of a motorcycle can produce a maximum acceleration $5 \, m/s^{2}$ . Its brakes can produce a maximum retardation $10 \, m/s^{2}$ . What is the minimum time in which it can cover a distance of 1.5 km
A.
30 sec
B.
15 sec
C.
10 sec
D.
5 sec
RPET 2002; WB-JEE 2009 Q178 Errorless 3. Non-uniform Motion MCQ
Starting from rest, acceleration of a particle is $a = 2(t - 1)$ . The velocity of the particle at t = 5s is
A.
15 m/sec
B.
25 m/sec
C.
5 m/sec
D.
None of these
RPET 2002 Q179 Errorless 4. Relative Motion MCQ
An express train is moving with a velocity $v_{1}$ . Its driver finds another train is moving on the same track in the same direction with velocity $v_{2}$ . To escape collision, driver applies a retardation a on the train. the minimum time of escaping collision will be
A.
$t = \frac{v_{1} - v_{2}}{a}$
B.
$t = \frac{v_{1}^{2} - v_{2}^{2}}{2}$
C.
None
D.
Both
Kerala PMT 2002 Q180 Errorless 5. Motion Under Gravity MCQ
A body is released from a great height and falls freely towards the earth. Another body is released from the same height exactly one second later. The separation between the two bodies, two seconds after the release of the second body is
A.
4.9 m
B.
9.8 m
C.
19.6 m
D.
24.5 m
MP PMT 2002; MP PET 2006 Q181 Errorless 5. Motion Under Gravity MCQ
A body falling from a high Minaret travels 40 m in the last 2 seconds of its fall to ground. Height of Minaret in meters is (take $g = 10m/s^{2}$ )
A.
60
B.
45
C.
80
D.
50
KCET 2002 Q182 Errorless 5. Motion Under Gravity MCQ
A very large number of balls are thrown vertically upwards in quick succession in such a way that the next ball is thrown when the previous one is at the maximum height. If the maximum height is $5m$ , the number of ball thrown per minute is (take $g = 10ms^{-2}$ )
A.
120
B.
80
C.
60
D.
40
Kerala PMT 2002; MP PMT 2003 Q183 Errorless 5. Motion Under Gravity MCQ
A cricket ball is thrown up with a speed of $19.6 \, ms^{-1}$ . The maximum height it can reach is
A.
9.8 m
B.
19.6 m
C.
29.4 m
D.
39.2 m
Odisha JEE 2002; CPMT 2003 Q184 Errorless 5. Motion Under Gravity MCQ
A ball is dropped from top of a tower of 100m height. Simultaneously another ball was thrown upward from bottom of the tower with a speed of 50 m/s ( $g = 10m/s^{2}$ ). They will cross each other after
A.
1s
B.
2s
C.
3s
D.
4s
AIEEE 2002; Odisha JEE 2009 Q185 Errorless 5. Motion Under Gravity MCQ
Two balls A and B of same masses are thrown from the top of the building. A, thrown upward with velocity V and B, thrown downward with velocity V, then
A.
Velocity of A is more than B at the ground
B.
Velocity of B is more than A at the ground
C.
Both A & B strike the ground with same velocity
D.
None of these
AIIMS 2002 Q186 Errorless 5. Motion Under Gravity MCQ
Three different objects of masses $m_{1}, m_{2}$ and $m_{3}$ are allowed to fall from rest and from the same point ā€˜Oā€™ along three different frictionless paths. The speeds of the three objects, on reaching the ground, will be in the ratio of
A.
$m_{1}: m_{2}: m_{3}$
B.
$m_{1}: 2m_{2}: 3m_{3}$
C.
1:1:1
D.
$\frac{1}{m_{1}}: \frac{1}{m_{2}}: \frac{1}{m_{3}}$
MP PMT 2001; CBSE PMT 2007; CBSE PMT (Mains) 2011 Q187 Errorless 2. Uniform Motion MCQ
A cat moves from X to Y with a uniform speed $v_{u}$ and returns to X with a uniform speed $v_{d}$ . The average speed for this round trip is
A.
$\frac{2v_{d}v_{u}}{v_{d}+v_{u}}$
B.
$\sqrt{v_{u}v_{d}}$
C.
$\frac{v_{d}v_{u}}{v_{d}+v_{u}}$
D.
$\frac{v_{u}+v_{d}}{2}$
CBSE PMT 2001; BHU 2004 Q188 Errorless 2. Uniform Motion MCQ
A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 850 m is
A.
56 sec
B.
68 sec
C.
80 sec
D.
92 sec
AIIMS 2001; RPMT 2006 Q189 Errorless 3. Non-uniform Motion MCQ
The velocity of a bullet is reduced from 200m/s to 100m/s while travelling through a wooden block of thickness 10cm. The retardation, assuming it to be uniform, will be
A.
$10 \times 10^{4}$ m/s $^{2}$
B.
$12 \times 10^{4}$ m/s $^{2}$
C.
$13.5 \times 10^{4}$ m/s $^{2}$
D.
$15 \times 10^{4}$ m/s $^{2}$
AIIMS 2001 Q190 Errorless 3. Non-uniform Motion MCQ
A body $A$ starts from rest with an acceleration $a_1$ . After 2 seconds, another body $B$ starts from rest with an acceleration $a_2$ . If they travel equal distances in the 5th second, after the start of $A$ , then the ratio $a_1: a_2$ is equal to
A.
5:9
B.
5:7
C.
9:5
D.
9:7
DCE 2001, 03; AIIMS 2002 Q191 Errorless 3. Non-uniform Motion MCQ
A particle starts from rest, accelerates at $2 \, m/s^{2}$ for 10s and then goes with constant speed for 30s and then decelerates at $4 \, m/s^{2}$ till it stops. What is the distance travelled by it
A.
750 m
B.
800 m
C.
700 m
D.
850 m
CPMT 2001; Pb. PET 2004; AMU (Engg.) 2012 Q192 Errorless 4. Relative Motion MCQ
A boat is sent across a river with a velocity of 8 km/hr. If the resultant velocity of boat is 10 km/hr, then velocity of the river is
A.
10 km/hr
B.
8 km/hr
C.
6 km/hr
D.
4 km/hr
CBSE PMT 2001, 04; KCET 2001; BHU 2004 Q193 Errorless 5. Motion Under Gravity MCQ
A body, thrown upwards with some velocity, reaches the maximum height of 20m. Another body with double the mass thrown up, with double initial velocity will reach a maximum height of
A.
200 m
B.
16 m
C.
80 m
D.
40 m
KCET 2001 Q194 Errorless 5. Motion Under Gravity MCQ
A balloon starts rising from the ground with an acceleration of $1.25 \, m/s^2$ after 8s, a stone is released from the balloon. The stone will ( $g = 10 \, m/s^2$ )
A.
Reach the ground in 4 second
B.
Begin to move down after being released
C.
Have a displacement of $50 \, m$
D.
Cover a distance of $40 \, m$ in reaching the ground
DCE 2001, 09 Q195 Errorless 7. Graphical Questions MCQ
The graph of displacement v/s time is Its corresponding velocity-time graph will be
A.
B.
C.
D.
CPMT 2000; NEET (Karnataka) 2013 Q196 Errorless 3. Non-uniform Motion MCQ
The relation $3t = \sqrt{3x} + 6$ describes the displacement of a particle in one direction where x is in metres and t in sec. The displacement, when velocity is zero, is
A.
24 metres
B.
12 metres
C.
5 metres
D.
Zero
EAMCET (Engg.) 2000 Q197 Errorless 5. Motion Under Gravity MCQ
A body thrown vertically upwards with an initial velocity $u$ reaches maximum height in 6 seconds. The ratio of the distances travelled by the body in the first second and the seventh second is
A.
1:1
B.
11:1
C.
1:2
D.
1:11
AMU (Engg.) 2000; J & K CET 2010; JEE (Main) 2017 Q198 Errorless 7. Graphical Questions MCQ
A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected)
(A)

(B)

(C)

(D)
A.
A
B.
B
C.
C
D.
D
KCET 1999; JIPMER 1999; DCE 2000; AFMC 2003, 04 Q199 Errorless 1. Distance and Displacement MCQ
An aeroplane flies 400 m north and 300 m south and then flies 1200 m upwards then net displacement is
A.
1200 m
B.
1300 m
C.
1400 m
D.
1500 m
MP PET 1999, 2001; Pb. PET 2003 Q200 Errorless 2. Uniform Motion 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 velocities of $V_{A}:V_{B}$ is
A.
1:2
B.
$1:\sqrt{3}$
C.
$\sqrt{3}:1$
D.
1:3