Question

Problem#4 A wind farm generator uses a two-bladed propeller (see figure) mounted on a pylon at a height of 20 m. The length of each propeller blade is 12 m. A small piece from the tip of the propeller breaks off when the propeller is vertical. At that instant, the period of the motion of the propeller S The fragment flies off horizontally, falls with negligible air resistance, and stri ground at P (a) How far is point P from the base of the pylon? (b) A the ground t what angle with respect to the vertical is the fragment moving just as it strikes at P? (c) Provide the final drawing Vo 12 m 20 m

Answer 1

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on 12m 2. a) γグ - 15?.8 m Э Jn メメuLL ab.ぺ Shoun

Answer 2

b). It should be 68^。