Joseph jogs from one end A to other end B of a straight 300m road in 2 minutes 30 seconds and then turns around and jogs 100m back to point C in another 1 minute what are Joseph ' s average speeds and velocities in jogging (a) from A to B and (b) from A to C ?
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Av velocity(A to B) = total displacement / total time
= 300/2*60+30
=300/150
=2m/s
av velocity (A to C) =300-100/210=200/210
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