A body of mass m moving with a velocity ...

A body of mass m moving with a velocity u strikes elastically a stationary body of mass 2m . After the elastic collision the bodies move with velocities v and V respectively . Show that the body of mass m loses `8/9` part of its initial kinetic energy.

Topper's Solved these Questions

WORK AND ENERGY
CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE WITH SOLUTIONS (WBJEE)|3 Videos
WORK AND ENERGY
CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE WITH SOLUTIONS (JEE Main)|8 Videos
WORK AND ENERGY
CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Integer answer type )|1 Videos
WBCHSE QUESTION PAPER -2019
CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

A body of mass in moving with a velocity u strikes elastically a stationary body of mass 2m. After 'the elastic collision 'the bodies move with velocities v and V respectively. Show that the body of mass m loses 8/9 part of its initial kinetic energy

A body of mass m moving with velocity vecV collides elastically with another body B of same mass which is at rest. What will be the velocities of A and B after collision?

A mass 2m is at rest and another mass m is moving with a velocity. An elastic collision takes place between them. Show that the mass m loses 8/9 part of its initial kinetic energy in this collision.

A body of mass m is moving with constant velocity V on a horizontal surface. What is the force on the table ?

A body of mass 10 kg moves with a velocity of 2 m/s along a circular path of radius 8 m. The power produced by the body will be

A body of mass 10 kg is moving with a velocity of 100 m/s. find the force needed to stop it in 5 seconds.

A body of mass 2 kg is moving with a velocity of 8 m/s on a smooth surface. If it is to be brought to rest in 4 s,t hen force to be applied is

A body of mass m is moving along x-axis with a velocity V, and another body of mass M is moving along y-axis with a velocity v. After collision they coalesce. (i) Find the magnitude and direction of velocity of the combined mass.

CHHAYA PUBLICATION-WORK AND ENERGY-EXAMINATION ARCHIVE WITH SOLUTIONS (WBCHSE)

The velocity of a moving body of mass m along positive.x axis is v=a s...
Text Solution
|
Show that mechanical energy of a body sliding down freely along a smoo...
Text Solution
|
If the coefficient of restitution is zero for collision between two bo...
Text Solution
|
1 joule =1……
Text Solution
|
Give the definition of coefficient of restitution .Prove that for per...
Text Solution
|
Mortars are thrown from a cannon. Prove that the KE at which a mortar ...
Text Solution
|
Define gravitational unit of work done .
Text Solution
|
Draw the graph representing linear momentum and change in kinetic ene...
Text Solution
|
A particle of mass m is rotated in a circular path of radius r under t...
Text Solution
|
Which of the following is not conserved in inelastic collision ?
Text Solution
|
A stone tied to a string of length L is whirled in a vertical circle w...
Text Solution
|
What is a conservative force ? Show that for a conservative force, wor...
Text Solution
|
A body of mass m moving with a velocity u strikes elastically a stati...
Text Solution
|
If there by perfectly elastic collision between two bodies of the same...
Text Solution
|
The number of joules in 1 kg *m is
Text Solution
|
The displacement of a body of mass 3 kg under the action of a force is...
Text Solution
|
Which one of the kinematic equations states the work energy principle...
Text Solution
|
A car of mass M moves upward with a constant speed v along an inclined...
Text Solution
|
A particle moves from a points vecr1=hati+2hatj in metre to another po...
Text Solution
|
Define conservative force. Show that the work done around a closed pat...
Text Solution
|