Usha swims in a `90 m` long pool. She covers `180 m` in one minute by – InterviewSolution

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1.	Usha swims in a `90 m` long pool. She covers `180 m` in one minute by swimming from one end to the other and back along the same length path. Find the average speed and average speed and average velocity of Usha.
Answer» Correct Answer - `3 ms^(-1)` ; zero Here , total distance travelled , ` s = 180 m` , time taken , `t = 1 min. = 60s` Average speed `= (s)/(t) = ( 180)/( 60) = 3 m//s` In swimming from one end to the other and back along the same straight path , displacement `= 0`. Average velocity `= ("displacement")/("time") = zero`

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