Question

hello friends!
Q. Usha swims in a 90m long pool, she covered 180m in one minute by swimming one end to another and back along the same straight path. find the average speed and velocity of usha. (answer fast) plzz answer guys

Answer 1

I it total distance is 180 m
Time is 1 sec

So average speed is 180. Total displacement is 0 so average velocity is 0