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7:36 ~ y WM 1. Truck will not clear the opening. Because height is 1.37m whereas truck's height is 2.7 m 2. Height at the edge of lane is 7.48 ft Explanation: ellipse equation ( o , 3 ) b 6.7m ture , a : 6 , (- 6, 0) ( 1.5 1 1 1 41.50 ) ( + 6, 0 ) y : 3 + y ? = 1 CIC - 1 Now , for 3m wide truck , one edge is 1:5 m from Central axis , n = 1. 5- = 1 y : / (1 - 1:5 ) 3 y - 1. 37 m but truck Light is 2.7m. .. It will not pass the opening width = loft radis of funnel = 2 : 9/1 Now , Wing Circle equation for n = 10 : 5/1 9 :/ 92 52 = 7.48 g+ . . height at edge is 7.48 /+