An athlete runs in a circular path with a radius of 14 the atlas grade 10 rounds in 10 minutes calculate is filled in a metre per second
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speed =distance/time.
total distance = 14×10 rounds
=140m
total time=10×60
=600s
now,
distance=circumstances of circle=2πr
=2×22/7×140
=880m/s
and,
speed= distance /time
= 880/600
=1.466...
=1.47m/s
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