Physics, 02.08.2019 19:30 coco09

Tommy was walking at a rate of 4 miles per hour at noon and at 12: 30 pm he was walking at a brisk rate of 6 miles per hour. two hours later tommy was walking at a leisurely rate of 2 miles per hour. what was tommy’s acceleration between noon and 12: 30 pm?

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Tommy was walking at a rate of 4 miles per hour at noon and at 12: 30 pm he was walking at a brisk r...