A wheel makes 12 revolutions per min The angle in radian described by a spoke of the wheel in 1 s is...........

Quantitative Aptitude ( CCS) Geometry

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A wheel makes 12 revolutions per min. The angle in radian described by a spoke of the wheel in 1 s is:

5π/2

2π/5

3π/5

4π/5

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Explanation:

= 12 × Its circumference
= 12 × 2πr
∴ In 1 s distance travelled by the wheel =
12 × 2πr /60 = 2/5π
? Angle = Arc /Radius
= 2/5 πr /r = 2π/5
Which is the required angle.

By: Amit Kumar

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A wheel makes 12 revolutions per min The angle in radian described by a spoke of the wheel in 1 s is...........

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Explanation:

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