Question

A 3 kg object moves to the right at 4 m/sec. It collides head-on with a 6 kg object moving to the left at 2 m/sec. If the collision is elastic, find the velocity (speed and direction) of each object after the collision.

Answer 1

if you have any doubt feel free to ask I will reply within few seconds

Before Callision 3 kg > 4mis 2 m/s kl 6kg Let Vi be speed of be speed of 3 kg after collision after collision N₂ Gkg Initial Momentum 384 28 6 = 0 final Momentum = 3v1 + 6 According to to Conservation of linear Momentum zu +67₂ Vit 27 120 According to Conservation of enugy ļ (3)(4)2 + ķ12)(612 = ♡ (3)1,2 t \ (6) V2 37,2 +672 s 1,2 + 2 vz? (-21) 2 + 2 %² = 40 6 V₂ 2 = 60 40 V2 = 2.58 mis Vic - 2/₂ = -5.164 mis Vio - 5.164 mis ( foulard left) 1/2 = 2.58 mis (toulord right)