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

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Important Questions on Centre of Mass, Linear Momentum, Collision

MEDIUM
JEE Main
IMPORTANT
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
MEDIUM
JEE Main
IMPORTANT
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
MEDIUM
JEE Main
IMPORTANT
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 ABC of edge 1 m. Locate the centre of mass of the system.
MEDIUM
JEE Main
IMPORTANT
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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HARD
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 3

Seven homogeneous bricks, each of length L, are arranged as shown in figure. Each brick is displaced with respect to the one in contact by L10. Find the x-coordinate of the centre of mass relative to the origin shown.

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HARD
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 4
A uniform disc of radius R is put over another uniform disc of radius 2R of the same thickness and density. The peripheries of the two discs touch each other. Locate the centre of mass of the system.
HARD
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 5
A disc of radius R is cut out from a larger disc of radius 2R in such a way that the edge of the hole touches the edge of the disc. Locate the centre of mass of the residual disc.
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 9 - Centre of Mass, Linear Momentum, Collision>EXERCISES>Q 6

A square plate of edge d and a circular disc of diameter d are placed touching each other at the midpoint of an edge of the plate, as shown in the figure. Locate the centre of mass of the combination, assuming same mass per unit area for the two plates.

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