a runner runs on a circular path of radius 7m in 44 sec . after 3 m 40 sec find the distance travelled and displacement of the person
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l think this answer may help u....
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harshitha10:
i will send it again
let the runner starts running from a point 'A' on
the circle. in 44sec he completes a round around the circle
distance traveled in 44sec=2πr=2×22\7×7=44m
3m 40sec =(3×60)+40=180+40= 220sec
in 44sec he traveled 44m
then in 220sec=220×44/44=220m
thus distance traveled=220m
in circle intial and final point is same
so,displacement = 0
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