Question

d) A person swims 100 m in the first
40 s, 80 m in the next 40 s and 45 m
in the last 20 s. What is the average
speed?
(Ans: 2.25 m/s2)​

Answer 1

Answer:

average speed=total distance/total time taken

average speed=total distance/total time taken Explanation:

average speed=total distance/total time taken Explanation:100+80+45/40+40+20

average speed=total distance/total time taken Explanation:100+80+45/40+40+20225m/100s

average speed=total distance/total time taken Explanation:100+80+45/40+40+20225m/100s9/4ms to power -1

average speed=total distance/total time taken Explanation:100+80+45/40+40+20225m/100s9/4ms to power -12.25msto the power -1

Answer 2

Answer:

hope it helps u mate!!!