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An airplane must reach a speed of 185 mi/h to take off. If the runway is 500 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully?

  • phys -

    First of all, convert 185 mph to 82.7 m/s

    Then use the equation
    V(final)= sqrt (2 a X)
    and solve for a.

    X is the runway length in meters.

    The answer will be in m/s^2.

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