English
Karnataka Board PUCPUC Science Class 11

In an inelastic collision of two bodies, the quantities which do not change after the collision are the ______ of the system of two bodies. - Physics

Advertisements
Advertisements

Question

In an inelastic collision of two bodies, the quantities which do not change after the collision are the ______ of the system of two bodies.

Options

  • Total kinetic energy

  • Total linear momentum

  • Total energy

MCQ
Fill in the Blanks
Advertisements

Solution

In an inelastic collision of two bodies, the quantities which do not change after the collision are the total linear momentum of the system of two bodies.

Explanation:

The total linear momentum always remains conserved, whether it is an elastic collision or an inelastic collision.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Work, Energy and Power - EXERCISES [Page 89]

APPEARS IN

NCERT Physics [English] Class 11
Chapter 5 Work, Energy and Power
EXERCISES | Q 5.6 (d) | Page 89

RELATED QUESTIONS

The rate of change of total momentum of a many-particle system is proportional to the ______ on the system.


Answer carefully, with reason:

In an inelastic collision of two billiard balls, is the total kinetic energy conserved during the short time of collision of the balls (i.e., when they are in contact)?


A bullet of mass 0.012 kg and horizontal speed 70 m s–1 strikes a block of wood of mass 0.4 kg and instantly comes to rest with respect to the block. The block is suspended from the ceiling by means of thin wires. Calculate the height to which the block rises. Also, estimate the amount of heat produced in the block.


Solve the following problem.

A spring ball of mass 0.5 kg is dropped from some height. On falling freely for 10 s, it explodes into two fragments of mass ratio 1:2. The lighter fragment continues to travel downwards with a speed of 60 m/s. Calculate the kinetic energy supplied during the explosion.


Arrive at an expression for elastic collision in one dimension and discuss various cases.


What is inelastic collision? In which way it is different from an elastic collision. Mention a few examples in day-to-day life for inelastic collision.


Two different unknown masses A and B collide. A is initially at rest when B has a speed v. After collision B has a speed v/2 and moves at right angles to its original direction of motion. Find the direction in which A moves after the collision.


A ball is thrown vertically down from height of 80 m from the ground with an initial velocity 'v'. The ball hits the ground, loses `1/6`th of its total mechanical energy, and rebounds back to the same height. If the acceleration due to gravity is 10 ms-2, the value of 'v' is


A ball moving with velocity 5 m/s collides head on with another stationary ball of double mass. If the coefficient of restitution is 0.8, then their velocities (in m/s) after collision will be ____________.


A block of mass 'm' moving on a frictionless surface at speed 'v' collides elastically with a block of same mass, initially at rest. Now the first block moves at an angle 'θ' with its initial direction and has speed 'v1'. The speed of the second block after collision is ______.


During inelastic collision between two bodies, which of the following quantities always remain conserved?


Two identical ball bearings in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed V as shown in figure.

If the collision is elastic, which of the following (Figure) is a possible result after collision?


In an elastic collision of two billiard balls, which of the following quantities remain conserved during the short time of collision of the balls (i.e., when they are in contact).

  1. Kinetic energy.
  2. Total linear momentum?

Give reason for your answer in each case.


A ball of mass m, moving with a speed 2v0, collides inelastically (e > 0) with an identical ball at rest. Show that for a general collision, the angle between the two velocities of scattered balls is less than 90°.


An insect moves with a constant velocity v from one corner of a room to other corner which is opposite of the first corner along the largest diagonal of room. If the insect can not fly and dimensions of room is a × a × a, then the minimum time in which the insect can move is `"a"/"v"`. times the square root of a number n, then n is equal to ______.


Before collision, what is the position of objects?


What is a collision?


Which of the following real-life scenarios is the best example of a collision as defined in the source?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×