Pat builds a track for his model car out of wood, as in Figure P12.6. The track is 5.00 cm wide, 1.00m high, and 3.00 m long, and is solid. The runway is cut such that it forms a parabola with the equation y = (x ─ 3)2/9. Locate the horizontal coordinate of the center of gravity of this track.

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1.00 m y- (x-3)2/9 5.00 cm a. 3.00 m Figure P12.6