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11 January, 03:35

Calculate the constant acceleration a in g's which the catapult of an aircraft carrier must provide to produce a launch velocity of 188 mi/hr in a distance of 299 ft. Assume that the carrier is at anchor.

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  1. 11 January, 03:59
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    The solution to the problem is as follows:

    First, I'd convert 188 mi/hr to ft/s. You should end up with about ~275.7 ft/s.

    So now write down all the values you know:

    Vfinal = 275.7 ft/s

    Vinitial = 0 ft/s

    distance = 299ft

    Now just plug in Vf, Vi and d to solve

    Vf^2 = Vi^2 + 2 a d

    BTW: That will give you the acceleration in ft/s^2. You can convert that to "g"s by dividing it by 32 since 1 g is 32 ft/s^2.
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