Question

a body covers 100m in 20 sec and cone back in 10 sec. calculate avg speed?​

Answer 1

Answer:

$average \: speed = \frac{total \: distance}{total \: time}$

total time =30s

total distance =200m

$average \: sped = \frac{200}{30} = 66.6m {s}^{ - 1}$

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