Usha swims in a 90m long …
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Posted by Yogita . 6 years, 6 months ago
- 2 answers
Sia ? 6 years, 6 months ago
Length of the pool = 90 m
Average speed:
Speed = Distance/Time
speed = 180/60
speed = 3 m/s
Now, velocity=displacement/time
Since, displacement=0( Since she comes back to the same place)
Therefore, the velocity=0
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Deepa Sinha 6 years, 6 months ago
0Thank You