A mass m moves with a velocity v and collides inelastically with another identical mass . After collision , the 1st mass moves with velocity v/√3 in a direction perpendicular to the initial direction of motion . find the speed of the second mass after collision . [AIEEE 2005]
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A mass m moves with a velocity v and collides inelastically with another identical mass. After collision the 1st mass moves with velocity 3 v in a direction perpendicular to the initial direction of motion
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Explanation:- In x - direction [Before collision]
Apply conservation of momentum , we get
- mu₁ + 0 = mV ₓ
- mv = mvₓ
- vₓ = v
After collision, in y direction , apply conservation of momentum we get
- 0 + 0 = m (v/√3 ) - mvy
- ⟹ vy = v/√3
Velocity of second mass after collision
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