The radius of a circular wheel is 1.75 m. The number of revolutions that is will make in covering 11 km is
1. 500
2. 1000
3. 100
4. 10000
1. 500
2. 1000
3. 100
4. 10000
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Correct Answer – Option 2 : 1000
Given:
The radius of a circular wheel is 1.75 m. Distance covered is 11 km
Concept used:
Number of revolutions (n) = d/2πr
Calculation:
Radius of wheel (r) = 1.75
Number of revolutions
⇒ \(\frac{{11\ \times\ 1000\ \times\ 7}}{{2\ \times\ 22\ \times\ 1.75}}\)
∴ 1000