Question

A shell, in flight, explodes into four unequal parts. Which of the following is conserved?

Answer 1

After the shell explodes into four unequal parts, momentum will be conserved.

What do you know about momentum?

• According to the law of conservation of momentum, when a system explodes the velocities of the object before and after remain the same.
• This is because, in an isolated system, each and every object receives an impulse as a result of a reaction.
• The change in momentum and impulse of each object is the same and are equal in magnitude but opposite in direction.
• Moreover, the intensity of change is the same as the intensity of the impulse. This is called the conservation of momentum of the system.

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