Question

A person goes on the straight line path having length 180 m,covers in 45 seconds and come back from final point and covered the distance 90m in 30 second. Calculate the average velocity and average speed of the person

Answer 1

Average speed = Total distance/Total time

A.S. = (180+90)/(30+45)

A.s = 270/75

A.S, = 3.6 m/s is average speed

Average Velocity = Displacement/Total Time

Displacement is the shortest distance from the Intial point , so Displacement = 180-90 = 90

Therefore A.V = 90/75

A.V = 1.2 m/s is Average velocity

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