EASY

11th West Bengal Board

IMPORTANT

Earn 100

A shell from a naval gun barrel $3 m$ long has a muzzle velocity of $820 {ms}^{- 1}$ . Find the average speed of the shell while being accelerated in the gun barrel.

Important Questions on Motion of a Particle

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 2

A shell from a naval gun barrel

3 m

long has a muzzle velocity of

820 {ms}^{- 1}

. Find time taken to travel the length of the barrel

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 2

A shell from a naval gun barrel

3 m

long has a muzzle velocity of

820 {ms}^{- 1}

. Find the acceleration.

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 3

Two trains are approaching each other along the same straight line with velocites

10 {ms}^{- 1}

and

12 {ms}^{- 1}

respectively. When the distance between them is

150 m

, each driver applies brakes to produce a retardation of

1 {ms}^{- 2}

in each train. Find whether there will be a collision or not.

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 4

Two trains each of length

100 m

, moving in opposite directions along parallel lines meet with their speed

60 {kmh}^{- 1}

and

30 {kmh}^{- 1}

. If their accelerations are

0.3 {ms}^{- 2}

and

0.2 {ms}^{- 2}

respectively, find the time taken by them to pass each after.

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 5

Two trains are approaching each other on the same line with velocities

u_{1}

and

u_{2}

. When their distance apart is

s

, they see each other and at once pull the brakes. If the retardations of the trains be

a_{1}

and

a_{2}

respectively, show that it is just possible to avoid a collision if

u_{1}^{2} a_{2} + u_{2}^{2} a_{1} = 2 a_{1} a_{2} s

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 6

Two electric trains travel one after another

2 km

apart on the same track at a speed of

20 {ms}^{- 1}

. A third train is sighted by the first train at a distance of

2.2 km

ahead and he immediately sounds his horn. All the drivers apply equal brakes simultaneously. If the first two trains stop after covering a distance of

1.2 km

each, what is the speed at which the train was approaching them? (Collision is just avoided).

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 7

Two trains are running along the same line and with same speed

(30 {kmh}^{- 1})

. The distance apart between the trains is

5 km

. What would be the speed of another train, coming from the opposite direction so that it will meet the other two trains at an interval of

4

minutes ?

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 5 - Motion of a Particle>EXERCISE>Q 8

A particle, moving with constant acceleration takes a definite time to cross the distance between two points. What will be the values of its velocity

when the particle reaches the mid-point of the distance between the two points

A shell from a naval gun barrel 3 m long has a muzzle velocity of 820 ms-1. Find the average speed of the shell while being accelerated in the gun barrel.

Important Questions on Motion of a Particle

Learn and Prepare for any exam you want !

A shell from a naval gun barrel $3 m$ long has a muzzle velocity of $820 {ms}^{- 1}$ . Find the average speed of the shell while being accelerated in the gun barrel.