OUK
Example 8.3 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 straight path
Find the average speed and average
velocity of Usha.
Solution:
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Answer:
Total displacement =0
Time taken, t=1 min=60sec
Average speed =
=
= 3m/s
Average velocity ( ) =
=
= 0 m/s
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