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प्रश्न
In covering a distance s metres, a circular wheel of radius r metres makes `s/(2πr)` revolutions. Is this statement true? Why?
एका वाक्यात उत्तर
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उत्तर
The distance covered in one revolution is 2πr, So, number of revolutions made in covering a distance of s m = `s/(2πr)`.
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