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Grade: 12th pass
        A particle with a mass of 0.3 kg moves rightward along the x-axis on a frictionless surface at 2 m/s. At x=0 it undergoes a completely elastic collision with a second particle of mass 0.4 kg, which is initially at rest. The second particle then moves rightward until it collides with a wall and rebounds. The second particle loses no speed after colliding with the wall. At what point on the x-axis does particle 2 collide with particle 1?
2 years ago

## Answers : (1)

Eshan
askIITians Faculty
2095 Points
							From conservation of linear momentum, the final velocities of bodies can be related as-Also since this is an elastic collision,Hence,Now time in which masscollides with wall and rebounds with same speed isDistancehas moved by then =Separation between the particles at that time=Relative speed of the the two particles=Hence the time in which the particles meet=Hence the distance of the point from the wall= Distance travelled by mass=

one year ago
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