Usha swims in a 90 m long pool . She Covers 180 m in one minute by swimming from one end to other and back along a straight path . Find the average speed and average velocity of Usha .
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Answer:
her average velocity is 0 and average speed is 3m/s
Explanation:
her average velocity is 0 because her displacement is 0 because he started from a one end and again returned to that end hence the displacement is 0 so, according to formula v=total displacement /time taken. his average speed is 3m/s because total distance travelled =180 and 1 min =60sec so,according to formula s=total distance/time hence average speed is 3m/s
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