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March 25, 2017

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It takes 180 kJ of work to accelerate a car from 21.0 m/s to 27.5 m/s. What is the car's mass?
kg?

  • Physics - ,

    Initial kinetic energy
    = (1/2)mv0²
    Final kinetic energy
    = (1/2)mv1²
    Difference
    E = (1/2)m(v1²-v0²)
    Solve for m

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