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Two towns A and B lie on the same latitude in the northern hemisphere. When it is 8.00am at A, the time at B is 11.00am. (a) Given that the longitude of A is #15^0E#, find the longitude of B. (b) A plane leaves A for B and takes #3 1/2# hours to arrive at B travelling
along a parallel of latitude at 850km/h. Find: (i) The radius of the circle of latitude on which towns A and B lie