What is the period of spin of compact disc

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Q. Marianne puts her favourite Backstreets Boys disc in her CD player. If it spins with a frequency of1800 revolutions per minute, what is the period of spin of compact disc?

Q. The springs of a 1300kg car compress 6.00 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what would be the frequency of vibrations?

Reference no: EM1370773

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