Question

A person swims 100 m in the first
40 .80 m in the next 40 and 45 m
in the last 20 What is the average
speed?
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Answer 1

Answer:

Explanation:

We know that average speed = total distance travelled / total time taken

Total distance =(100+80+45)m =225m

Total time taken = 40+40+20=100 sec

Average speed = 225m/100 sec

= 2.25 m/ sec.................

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