Question

A Swimmer crossed a 90 m long pool. In one minute she swims from one end to other end and back along. The average speed and average velocity are

0 , 3.5 m/s

2 m/s, 3 m

3 m/s, 0 m

3 m/s, 3.5 m/s​

Answer 1

《ANSWER♣

3m/s and 0m/s

《EXPLANATION♣

✠avarage speed⟼

(total distance)/(total time)

⟼(90+90)/60

⟼3m/s

✠avarage velocity⟼

(displacement)/(time)

⟼ 0/60

⟼ 0

Answer 2

Answer:

ok but first you give me thanks