17. One side of a double inclined plane makes an angle of 30o with the horizontal, and the other makes an angle of 53o . A 100 lb weight and a 50 lb weight are attached to the ends of the string, which passes over a pulley at the top of the smooth double plane with the 50 lb load on the steeper side. Find the velocity of the 50 lb load when it reaches the bottom of the plane. The length of the steeper plane is 16.4 ft.
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