Question

A man travels half time of its journey with speed of 5m/s and for remaining half time he moves half of its total distance travelled, with speed of 3 m/s and remaining half distance with speed of 6 m/s. Find out the average speed of the man?

Answer 1

Answer:

average speed=u+v/2

=5m/s+(3m/s+6m/s)/2

=(5m/s+9m/s) /2

=14m/s. /2

=7m/s.

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