How long will a man take to go once round a circular track of radius 4.2 if he run at speed of 6km/hr?
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taking radius 4.2km since its not mentioned!!
as it should be!!
speed = distance/time
and distance = one round = circumference of circular round or circlw= 2πr
distance = 2.22/7.4.2 = 26.4km
time =distance / speed = 26.4/6=3.3hr
as it should be!!
speed = distance/time
and distance = one round = circumference of circular round or circlw= 2πr
distance = 2.22/7.4.2 = 26.4km
time =distance / speed = 26.4/6=3.3hr
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