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Usha swims in a 90 m …

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

Posted by Hello Hello 1 year, 7 months ago

CBSE > Class 09 > Science

1 answers

Harnoor Kaur 1 year, 6 months ago

It's average will be 20 m

0Thank You

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