A wheel makes 1000 revolutions to cover a distance of 1.57 km.Find the diameter of the wheel.[take pi as 3.14]
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Answer: R=14m
Step-by-step explanation:
Distance covered in one revolution =
1000
88×1000
=88m
2πR=88⇒2×
7
22
×R=88
⇒R=88×
22
7
×
2
1
R=14m.
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