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Physics problem solver online
Two towns A and B are connected by a regular bus service with a bus leaving in either direction every T minutes.A man cycling with a speed of 20 km/h in the direction A to B notices that a bus goes past him every 18 min in the direction of his motion,and every 6 min in the opposite direction.What is the period T of the bus service and with what speed does the bus ply on the road?
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