An athlete completes one round of circular track of diameter 42m in15sec calculate the distance covered and the displacement at the end of 37.5sec
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the distance is 42m
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Diameter = 42
radius = 21
circumference = 2*22/7*21 =
= 132 m
speed = distance/ time
132/15
8.8 m/ s
Now distance = speed* time
d= 8.8* 37.5
330 m
As he complete one round displacement become zero
so number of round he take =
330/132
2.5
so displacement = 61
I hope it helps u
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radius = 21
circumference = 2*22/7*21 =
= 132 m
speed = distance/ time
132/15
8.8 m/ s
Now distance = speed* time
d= 8.8* 37.5
330 m
As he complete one round displacement become zero
so number of round he take =
330/132
2.5
so displacement = 61
I hope it helps u
Please mark brainliast
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