23CoovertLevi 23CoovertLevi

15-02-2022
Physics

contestada

Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If one ball’s initial speed was 2 m/s, and the others was 3.6 m/s. Assuming a perfectly elastic collision, determine the speed and direction of each ball after the collision.

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indrawboy indrawboy

15-02-2022

Momentum

perfectly elastic collision and m₁ = m₂, then:

v₁ = +2, v₂ = -3.6 (different direction)

v₁’ = v₂ dan v₂’ = v₁, then:

v₁' = -3.6, v₂' = +2

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