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Usha swims in a 90m long …

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Usha swims in a 90m long pool. She covers 180m in one minute by swimming from one end to other end to the other and back along the same straight path. Find the average speed and average velocity of Haha.

Posted by ??? ???? 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Studies 1 7 years, 1 month ago

Given : s = 90m Total s=180 m To find : avg. Vel and avg.speed Formula :avg speed = totaldistance/total time taken avg Vel = displacement/time Solution : avg speed = 180/60s = 3m/s As for avg.vel as the displacement is zero the avg vel = 0m/s

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