What are the physical quantity conserved in this process

A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. Which physical quantity is conserved in this process ?

  1. Momentum and kinetic energy
  2. Momentum alone
  3. Kinetic energy alone
  4. Neither momentum nor kinetic energy
Manish Listener Asked on 5th November 2014 in Physics.
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1 Answer(s)

Momentum alone

The faster an object is moving and the harder it is to stop, some like as bullet hits and gets embedded in a solid block – whether it be a automobile or baseball. Momentum of an object is equal to the mass times the velocity.
Some about the momentum:
The symbol for momentum is ‘p’
p=m*v           (m=mass, v=velocity)
Momentum is a vector, pointing in the direction of the velocity.

Momentum=mass of object x velocity of object
Kinetic energy=(mass of object x (velocity of object)2)/2

Monis Rasool Professor Answered on 21st April 2015.
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