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A certain car is capable of accelerating at a rate of +0.50 m/s2. How long does it take for this car to go from a speed of 45 mi/h to a speed of 85 mi/h?

  • physics -

    acceleration= (final velocity - initial velocity)/time

    acceleration = .50 m/s^2
    final velocity = 85 mi/h
    initial velocity = 45 mi/h

    be sure to convert mi/h to m/s!

  • physics -

    80

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