Q.1
A ball is thrown vertically upwards from the top of tower at 4.9 m/s. It strikes the ground near the base of the tower in 3 sec height of tower is
  • a)73.5 m
  • b) 44.1 m
  • c)29.4 m
  • d)14.7 m
Q.2
If a car at rest accelerates uniformly to speed of car 144 km/h in 20 sec , it covers a distance of .. [ CBSE 1997]
  • a) 20 m
  • b) 800 m
  • c)400 m
  • d)1200 m
Q.3
Velocity -time curve for a body projected vertically upward is .. [ EAMCET 1995]
  • a) parabola
  • b) ellipse
  • c)hyperbola
  • d)straight line
Q.4
A person throws balls into air after every second. The next ball is thrown when the velocity of the first ball is zero. How high do the ball rise above his hand
  • a) 2 m
  • b) 5m
  • c) 8m
  • d) 10 m
Q.5
A ball is dropped downwards, after 1 sec another ball is dropped downwards from same point. What is the distance between them after 3 sec.. [ BHU 1998]
  • a)25 m
  • b) 20 m
  • c)50 m
  • d)9.8 m
Q.6
Two trains are each 50 m long moving parallel towards each other at speeds 10 m/s and 15 m/s respectively, at what time they will pass each other.. [ CPMT 1999]
  • a) 5 √2
  • b) 4 sec
  • c)2 sec
  • d)6 sec
Q.7
The position vector of a particle is given by r=ro(1-at)t, where t is the time and a and ro are constants. After what time the particle returns to the starting point and distance traveled by the
  • a) a, ro / a
  • b) 1/a , ro / 2a
  • c)a2 , 2ro / a
  • d)1/a2 , ro / 4a
Q.8
Three different balls of mass m1, m2 andm3 are allowed to slide from rest on three frictionless paths OA, OB, OC respectively from O. The height O above ground is h. The respective speed S1 S2,S3 at the bottom A, B and C are
ch-2_que_no-96_img_no1.png
  • a) S1=S2=S3
    ch-2_qn-96choice_img_no4.png
  • b) S1 < S2 < S3
  • c) S2
  • d)
Q.9
Two trains travelling on the same track are approaching each other with equal speed of 40 m/s. The driver of the trains begin to decelerate. Simultaneously when they are just 2.0 km apart. Assuming the decelerations to be uniform and equal, the value of the deceleration to barely avoid collision should be .. [ AMU 1995]
  • a)11.8 m/s2
  • b) 11.0 m/s2
  • c)2.1 m/s2
  • d)0.8 m/s2
Q.10
A car moving with a speed 40 km/h can be stopped by applying brakes after 2m. If the same car is moving with speed of 80 km/h, what is the minimum stopping distance
  • a) 8 m
  • b) 2m
  • c)4m
  • d)6 m
Q.11
Which of the following four statements is false:
  • a) A body can have zero velocity and still be accelerated
  • b) A body can have constant velocity and still have a varying speed
  • c)A body can have a constant speed and still have a varying velocity
  • d)The direction of the velocity of a body cn change when its acceleration is constant
Q.12
A boat at anchor is rocked by waves whose crests are 100 m apart and whose velocity is 25 m/sec. These waves reach the boat after every
  • a) 2500 sec
  • b) 75 sec
  • c) 4 sec
  • d) 0.25 sec
Q.13
The displacement of a particle as a function of time is shown in figure. the figure indicates that ..[ CPMT 86]
ch-2_que_no-101_img_no1.png
  • a)the particle starts with a certain velocity but the motion is retarded and finally the particle stops
  • b) the velocity of the particle is constant throughout
  • c)the acceleration of the particle is constant throughout
  • d)the particle starts with constant velocity, the motion is accelerated and finally the particle moves with another constant velocity
Q.14
Figure shows the v-t graph for two particles P and Q. Which of the following statements regarding their relative motion is true : There relative velocity is ..
ch-2_que_no-102_img_no1.png
  • a) is zero
  • b) is non zero but constant
  • c)continuously decreases
  • d)continuously increases
Q.15
A man in a balloon rising vertically with an acceleration of 4.9 m/s2 releases a ball 2 seconds after the balloon is let go from the ground. The greatest height above the ground reached by the ball is (g=9.8 m/s2 [ MLNR 1986]
  • a) 14.7 m
  • b) 19.6 m
  • c)9.8 m
  • d)24.5 m
Q.16
A stone is dropped into a lake from 500 meter height. the sound of splash will be heard after .. [ Manipal 2002]
  • a) 10s
  • b) 11.5 s
  • c) 14 s
  • d) 21s
Q.17
A body freely falling from rest has velocity v after it falls through a height h. The distance it has fall down further for its velocity to become double is .. [ B.H.U 1999]
  • a)4h
  • b) 6h
  • c)8h
  • d)10h
Q.18
By what velocity a ball be projected vertically upward so that the distance covered in 5th second is twice that covered by 6th second (g=1o ms-2 ) -- [CPMT 1997]
  • a) 19.6 m/s
  • b) 58.8 m/s
  • c)49.0 m/s
  • d)65 m/s
Q.19
A ball A is thrown up vertically with speed u, At the same time another ball B is released from rest at height, At time, the speed of A relative to B is
  • a) u
  • b) u - 2gt
  • c)u - gt
  • d)(u2 - 2gh)1/2
Q.20
A balloon starts rising from the ground with an acceleration of 1.25 m/sAfter 8 seconds, a stone is released from the balloon. the stone will .. (g=10 m/s2)
  • a) covers a distance of 40 m
  • b) have displacement of 50 m
  • c) reaches the ground in 4 sec
  • d) begin to move downwards after being released
Q.21
Two particle, one with constant velocity 50 m/s and the other with uniform acceleration 10 ms-2, start moving simultaneously from the same place in the same direction. they will be at a distance of 125m from each other after .. [ Roorkee 1998]
  • a)5 sec
  • b) 5( 1 +√2) sec
  • c)10 sec
  • d)10( √2 + 1) sec
Q.22
In 1.0 sec a particle goes from A to point B moving in a semicircle of radius 1.0 m. the magnitude of the average velocity is ...[ IIT 1999]
ch-2_que_no-110_img_no1.png
  • a) 3.14 m/s
  • b) 2.0 m/s
  • c)1.0 m/s
  • d)zero
Q.23
A particle P is sliding down a frictionless hemispherical bowl. It passes the point A at t=At this instant of time, the horizontal component of its velocity is v. A bead of the same mass as P ejected from A at t=0 along the horizontal direction, with the speed v. Friction between the bead and string may be neglected. Let tp and tQ be the respective times taken by P and Q to reach the point B. Then ..[ IIT 1993]
ch-2_que_no-111_img_no1.png
  • a)tP < tQ
    ch-2_qn-111choice_img_no4.png
  • b)tP=tQ
  • c)tP > tQ
  • d)
Q.24
A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to height d/Neglecting subsequent motion and air resistance, its velocity v varies with the height oh above ground as.. [ IIT 2000]
  • a)
    ch-2_qn-112choice_img_no1.png
  • b)
    ch-2_qn-112choice_img_no2.png
  • c)
    ch-2_qn-112choice_img_no3.png
  • d)
    ch-2_qn-112choice_img_no4.png
Q.25
A particle moving in a straight line with initial velocity u and uniform acceleration f. If sum of the distance covered in tth and (t+1)th second is 100cm, then its velocity after t seconds is cm/s is .. [ Roorkee 1998]
  • a)20
  • b) 30
  • c)50
  • d)80
Q.26
A car accelerates from rest at a constant rate of 3ms-1 for some time. Then it retards at constant rate of 6ms-2 for some time. and comes to rest. If total time for which it remains in motion is 3 sec, what is the total distance traveled?
  • a) 3 m
  • b) 4.5 m
  • c)6 m
  • d)9 m
Q.27
A stone is dropped from a height of 45m. What will be the distance traveled by it during the last one second of its motion? [ g=10 m/s2]
  • a)35 m
  • b)25m
  • c)12.5 m
  • d)10 m
Q.28
A student is standing at a distance of 50m from bus. As soon as the bus begins its motion with an acceleration of 1 m/s2, the student starts running towards the bus with uniform velocity u. Assuming the motion to be along a straight road, the minimum value of u, so that the student is able to catch the bus is .. [AIIMS 2010]
  • a) 8 m/s
  • b) 5 m/s
  • c) 12 m/s
  • d) 10 m/s
Q.29
A body is thrown vertically upwards with a velocity of 19.6 m/s. The position of the body after 4s will be [ AIIMS 2009]
  • a)at the highest point
  • b) at the mid-pint of the line joining the starting point and the highest point
  • c)at the starting point
  • d)non of the above
Q.30
A particle is thrown vertically upwards with a velocity of 4m/s. The ratio of its accelerations after 1s and 2s of its motion is .. [AIIMS 2009]
  • a) 2
  • b) 9.8
  • c)1
  • d)4.9
0 h : 0 m : 1 s