Answers

2014-03-02T15:25:47+05:30
Avg. Speed = s / t.    ( s = 20000m and t = 45 * 60 s )
                   = 20000 / 45 * 60
                    = 7.5 m/s


Actual speed is different from the average speed as the speed of the bus is changed by the bus driver so as to move smoothly
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