The distance between two places a and b is 180 km by road and 120 km by road and aeroplane takes 20 minutes to go from A to B whereas a deluxe bus starting at A takes 5 hours to reach .find the average speed and average velocity by both means of transport. (ignore the vertical ascent of aeroplane)
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https://www.meritnation.com/ask-answer/question/it-is-260-km-from-patna-to-ranchi-by-air-and-320-km-by-ro/physics/12121283
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