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Poblem..........

Asked by 12th June 2008, 6:50 PM
Answered by Expert
Answer:

assume the distance b\w the place is x m,.

calculate the time tin  terms of x for for first trip

calculate the time t2 in terms of x for the back trip

now use the formula average speed = total distance (which is 2 x)        / total time (which is sum of t1  and t2 )

Answered by Expert 12th June 2008, 7:35 PM
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