Question

An athlete swims the length of 50m pool in 20sec, and

takes the return to the trip in 22 sec.
find the average veloity and speed
in the first half of the swim and in the second half of the swim.pls help me . I need to know the answer.!​

Answer 1

average speed is 2.4m/s

1st half is 2.5m/s

2nd half is 2.3m/s

Step-by-step explanation:

speed = distance/time

s = (50×2)/(20+22)

= 100/42

= 50/21

= 2.4m/s (1d.p)

1st half = 50/20

= 5/2

= 2.5m/s

2nd half = 50/22

= 2.3m/s

Answer 2

a) 2.5 meter per second

b) 2.27 meter per second

c) 2.38 meter per second

Step-by-step explanation: