Question
A particle of mass m moving with velocity v collides with a stationary particle of mass 2 ~m . After collision, they stick together and continue to move together with velocity
BITSAT
Physics
Center of Mass Momentum and Collision
2023
BITSAT 2023 (Memory Based Paper 1)
BITSAT Physics Question (2023) — Solution
Options
- A. v
- B. v 2
- C. v 3
- D. v 4
Answer
C. v 3
Step-by-step solution
Applying conservation of linear momentum P _ i = P _ f ( P = mv ) m v_1+2 m v_2=(m+2 m) v^ m v^1+2 m 0=(3 m) v^ mv =3 mv ^ v ^ = v 3
Related: Physics — Center of Mass Momentum and Collision · All PYQ Banks