Question

Anurag swims 120min the first 60s,100min the next 60s and 60min the last 20s . What is

the Average speed ?
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Answer 1

Answer:

Explanation:

(120 m + 100 m + 60m)/60+60+20

280/140

=2m/s

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Answer 2

Explanation:

total distance=(120+100+60) meters

=280meters

total time =(20+60+60)sec=140 sec

average speed=

$\frac{280}{140}$

$= 2 \: m \: per \: sec$

average speed =2m/sec