A sphere of mass m moves with a velocity 2 v and collides inelastically with another identical sphere of mass. After collision the first mass moves with velocity v in a direction perpendicular to the initial direction of motion. Find the speed of the second sphere after collision.

Question

A sphere of mass m moves with a velocity 2 v and collides inelastically with another identical sphere of mass. After collision the first mass moves with velocity v in a direction perpendicular to the initial direction of motion. Find the speed of the second sphere after collision., v, v 5, 2 3 v, v 3

MARKS App · Accepted Answer

Initially first mass moves along x direction, after collision first mass moves along y direction. Let the velocity of second mass be v → ′ ⇒ P → i = P → f ⇒ m 2 v i ^ = m v j ^ + m v → ′ ⇒ v → ′ = 2 v i ^ - v j ^ ⇒ v ′ = 2 v 2 + v 2 ⇒ v ′ = v 5

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