CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 5

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A non-zero external force acts on a system of particles. The velocity and the acceleration of the centre of mass are found to be $v_{0}$ and $a_{0}$ at an instant $t$ . It is possible that

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Important Questions on Centre of Mass, Linear Momentum, Collision

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 6

Two balls are thrown simultaneously in the air. The acceleration of the centre of mass of the two balls while in air

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 7

A block moving in air breaks in two parts and the parts separate, then

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 8

In an elastic collision,

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 9

A ball hits a floor and rebounds after an inelastic collision. In this case

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 10

A body moving towards a finite body at rest collides with it. It is possible that

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>OBJECTIVE II>Q 11

In a head-on elastic collision of two bodies of equal masses

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 1

Three particles of masses

1.0 kg

,

2.0 kg

and

3.0 kg

are placed at the corners

A, B

and

C

respectively of an equilateral triangle

A B C

of edge

1 m

. Locate the centre of mass of the system.

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CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 2

The structure of a water molecule is shown in figure. Find the distance of the centre of mass of the molecule from the centre of the oxygen atom.

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