Question

4. A boy walks a distance of 30 m in 1 minute and
another 30 m in 1-5 minute. Describe the type of
motion of the boy and find his average speed
in m s-1​

Answer 1

Total displacement=30m+30m

=60m

Total time=1 minutes + 1 minutes 30 second

Total time=150 sec

$Average\:Velocity=\frac{displacement}{Total\: time}$

$Average\: Velocity=\frac{60m}{150 sec}$

$Average\:velocity=\frac{2m}{5s}$

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Answer 2

Average velocity=2/5ms-1