physics

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Car A with a mass of 1250 kg, is traveling at 30 m/s to the east. Car B is a truck with a mass of 2000 kg, traveling to the west at 25 m/s. assume these two vehicles experience an inelastic collision but do not stick together, and car A goes off 10 m/s to the west. what will be the resulting velocity of car B?

  • physics -

    Isn't this just the conservation of momentum?

  • physics -

    yes I have problems figuring out formula.

  • physics -

    m₁v₁-m₂v₂=-m₁u₁+m₂u₂
    u₂= (m₁v₁-m₂v₂+m₁u₁)/m₂=
    =(1250•30-2000•25+1250•10)/2000 = 0

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