numerical question

Asked by  | 6th Mar, 2008, 10:38: AM

Expert Answer:

total distance covered in 8 rounds( back & forth) =8 X 20  = 160m

average speed = total distance/totaltime

=160m / 45minutes = 3.56 m/min

Displacement  = zero

so velocity = zero

Answered by  | 17th May, 2008, 08:28: PM

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