Question

Vishnu swims in a 90m long pool. He covers in one minute by swimming from one end to the other and the back along the same straight path . Find the average speed and average velocity of Vishnu.
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Answer 1

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total Distance = 180 m

Displacement = 0

total time = 1 min = 60 sec

Average speed = Total distance / Total time taken

= 180/60

= 3 m/s

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Average velocity = total displacement/total time

= 0/60 = 0 m/s

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