A cable hangs between two poles of equal height and http://webwork.math.uwyo.edu/webwork...471d66c821.png feet apart.

At a point on the ground directly under the cable and

http://webwork.math.uwyo.edu/webwork...dd0b8b8e91.png feet from the point on the ground halfway between the poles

the height of the cable in feet is

The cable weighs 17.3 pounds per linear foot.

Find the weight of the cable.