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anonymous

  • one year ago

Two cars collide with each other. Before the collision, one car (m = 1100 kg) is going north at 18 m/s and the other car (m = 1300 kg) is going south at 16 m/s. What is the momentum of the system made up of the two cars after the collision?

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  1. IrishBoy123
    • one year ago
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    it will be the same as before the collision calculate that

  2. Michele_Laino
    • one year ago
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    I think that your situation can be described by the subsequent drawing: |dw:1435345506633:dw|

  3. Michele_Laino
    • one year ago
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    the total momentum is given by the subsequent vector sum: \[\Large {m_1}{{\mathbf{v}}_{\mathbf{1}}} + {m_2}{{\mathbf{v}}_{\mathbf{2}}}\]

  4. Michele_Laino
    • one year ago
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    using the subsequent reference frame, we get the subsequent scalar equation: |dw:1435345694976:dw| \[\Large - {m_1}{v_1} + {m_2}{v_2} = - 1100 \times 18 + 1300 \times 16 = ...\]

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