physical science

A 3000-kg car bumps into a stationary, 5000-kg truck. The
velocity of the car before the collision was +4 m/s and
-1 m/s after the collision. What is the velocity of the truck
after the collision?

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1. v₁= {-2m₂v₂₀ +(m₁-m₂)v₁₀}/(m₁+m₂)
v₂={ 2m₁v₁₀ - (m₂-m₁)v₂₀}/(m₁+m₂)

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posted by Elena

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