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11th West Bengal Board
IMPORTANT
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A box moves along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to

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Important Questions on Motion of a Particle

HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 21
The distance travelled by a body moving along a straight line at time t is given by S=3-4t+5t2. The initial velocity of the body is
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 22
The acceleration a (in ms-2) of a body, starting from rest varies with time t (in s) following the equation a=3t+4. The velocity of the body at time t=2s will be
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 23
A particle is moving in a circular path with a constant speed v. What is the magnitude of average velocity after half rotation ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 24
The motion of a particle along a straight line is described by the equation : x=8+12t-t3, where x is in metre and t is in second. The retardation of the particle when its velocity becomes zero, is
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 25
A boat which has a speed of 5 km/h in still water crosses a river of width 1 km along the shortest possible path in 15 minute. The velocity of the river water in km/hr is
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 26
A body projected from the ground moves in a parabolic path. The velocity of the projectile at the top of the path is
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 27
A body falling freely from a given height H hits an inclined plane in its path at a height h. As a result of this impact, the direction of the velocity of the body becomes horizontal. If the body takes maximum time to reach the ground the ratio hH is
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 28
From the top of a tower, a stone is let fall. During last 1 second of its fall the stone clears 59th of the height of the tower. The time of fall of the stone is