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A body is whirled in a horizontal circle at the rate of 800 revolutions per...

Physics
JAMB 2024

A body is whirled in a horizontal circle at the rate of 800 revolutions per minute. Determine the angular velocity

  • A. 100\(\pi\)rads\(^{-1}\)
  • B. 33.3\(\pi\)rads\(^{-1}\)
  • C. 29.5\(\pi\)rads\(^{-1}\)
  • D. 26.7\(\pi\)rads\(^{-1}\)
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Correct Answer: Option D
Explanation

Angular velocity(\(\omega\)) = 2\(\pi\) x rev per sec

Rev. per sec = \(\frac{800}{60}\) \(\approxeq\) 13.33 rev/s

Angular velocity(\(\omega\)) = 2\(\pi\) x 13.33  \(\approxeq\) 26.7\(\pi\)rad/s

There is an explanation video available below.


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Explanation Video

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