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Statement1:

In a two–body collision, the momenta of the particles are equal and opposite to one another, before as well as after the collision when measured in the centre of mass frame

Statement2:

The momentum of the system is zero from the centre of mass frame

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True



Question ID - 100889 | SaraNextGen Top Answer

Statement1:

In a two–body collision, the momenta of the particles are equal and opposite to one another, before as well as after the collision when measured in the centre of mass frame

Statement2:

The momentum of the system is zero from the centre of mass frame

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

The momentum of a system of particles from any frame is given by

From the centre of mass frame,

So individual bodies should have momenta in opposite directions to make net momentum zero

127 votes


127