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physical science

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. The brakes of a car are applied to give it an acceleration of -3 m/s2. The car comes to a stop in 5 s. What was its speed when the brakes were applied?

  • physical science -

    Vfinal=Vinitial+at
    solve for Vinitial

  • physical science -

    The brakes of a car are applied to give it an acceleration of 3-m/s2. The car comes to a stop in 5s. What was its speed when the brakes were applied.

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