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.
According to the law of conservation of momentum, the total initial are B. isolated system.
An isolated system is one that cannot exchange either matter or energy with its surroundings. A perfect isolated system is hard to come by, but an insulated drink cooler with a lid is conceptually similar to a true isolated system.
A system is a collection of two or more objects. An isolated system is a system that is free from the influence of a net external force that alters the momentum of the system.
A thermos flask is the best example of an isolated system. A thermos flask is used to keep things either cold or hot. Thus a thermos does not allow energy for transfer.
To learn more about an isolated system, refer
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