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Two balls collide in a closed system. the initial and final mass and velocity quantities for each ball are provided in the illustration, Because momentum is conserved, it can be concluded that the final velocity of the smaller ball will be which of the following?

Two balls collide in a closed system the initial and final mass and velocity quantities for each ball are provided in the illustration Because momentum is conse class=

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It can be concluded that the final velocity of the smaller ball will be 25 m/s.

The given parameters;

  • mass of the larger ball, m₁ = 5 kg
  • mass of the smaller ball, m₂ = 2 kg
  • initial velocity of the larger ball, u₁ = 10 m/s
  • initial velocity of the smaller ball, u₂ = 0
  • final velocity of the larger ball, v₁ = 0

The final velocity of the smaller ball will be calculated by applying the principle of conservation of linear momentum;

m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂

(5 x 10) + (2 x 0) = (5 x 0) + (2)v₂

50 + 0 = 0 + 2v₂

50 = 2v₂

v₂ = 25 m/s

Thus, it can be concluded that the final velocity of the smaller ball will be 25 m/s.

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