AP EAMCET · PHYSICS · Center of Mass Momentum and Collision
Two particles \(P\) and \(Q\) each of mass \(3 \mathrm{~m}\) lie at rest on the \(\mathrm{X}\)-axis at points \((-a, 0)\) and \((+a, 0)\), respectively. A third particle \(R\) of mass \(2 \mathrm{~m}\) initially at the origin moves towards the particle \(Q\). If all the collisions of the system of 3 particles are elastic and head on, the total number of collisions in the system is
- A 2
- B 3
- C 4
- D 5
Answer & Solution
Correct Answer
(A) 2
Step-by-step Solution
Detailed explanation
According to question, three particles are situated as shown below, \(\because\) All the collision of the system of 3 particles are elastic and head on. So, collision of R and Q, Hence, \(R\) and \(Q\) will never collide after 1 st collision. \(\therefore\) Total numbers of…
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