Question

the law of conservation of momentum states that option a mass after collision is equal to mask before collision velocity after collision is equal to velocity before pollution options in momentum after collision is equal to momentum before collision option d total momentum after collision is equal to total momentum before collision which option is correct​

Answer 1

Answer:

For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision. That is, the momentum lost by object 1 is equal to the momentum gained by object 2.

Main content

Elastic and inelastic collisions

What are elastic and inelastic collisions?

Collisions can be elastic or inelastic. Learn about what's conserved and not conserved during elastic and inelastic collisions.

Google ClassroomFacebookTwitter

Email

What is an elastic collision?

An elastic collision is a collision in which there is no net loss in kinetic energy in the system as a result of the collision. Both momentum and kinetic energy are conserved quantities in elastic collisions.

Suppose two similar trolleys are traveling toward each other with equal speed. They collide, bouncing off each other with no loss in speed. This collision is perfectly elastic because no energy has been lost.

In reality, examples of perfectly elastic collisions are not part of our everyday experience. Some collisions between atoms in gases are examples of perfectly elastic collisions. However, there are some examples of collisions in mechanics where the energy lost can be negligible. These collisions can be considered elastic, even though they are not perfectly elastic. Collisions of rigid billiard balls or the balls in a Newton's cradle are two such examples.

Answer 2

The law of momentum conservation can be stated as follows. For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.