Three wagons each have the same total mass (including that of the wheels) and four wheels, but the wheels are differently styled. The struc- ture, mass, and radius of each wagon's wheels are shown in the preceding chart. In order to accel- erate each wagon from rest to a speed of $$\(10 \mathrm{~m} / \mathrm{s}\)$$, which wagon requires the greatest energy input?

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