Questions
Consider the following two statements.
A) Linear momentum of the system remains constant.
B) Centre of mass of the system remains at rest.
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Correct option is D
When Linear momentum of a system is constant , its magnitude may be zero or non - zero . So if centre of mass of a system is at rest , its linear momentum is zero which is a constant.Hence option - (4) is right.Similar Questions
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all collisions are elastic, the velocity of sphere 4 iust after collision is
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