A demo CD, 8 cm in diameter, spins 200 rev/min. Determine its linear velocity in cm/s for a point 3 cm from the center.

62.8 cm/s

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20.9 cm/s

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20/6 cm/s

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40π/6 cm/s

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Solution

The correct option is A
62.8 cm/s

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A demo CD, 8 cm in diameter, spins 200 rev/min. Determine its linear velocity in cm/s for a point 3 cm from the center.

The correct option is A 62.8 cm/s

The correct option is A
62.8 cm/s