A Blu-ray disk spins up from rest to an angular speed of about 10,000 revolutions per minute. If it

can do this spin-up process in 2 seconds, what is its angular acceleration

A. 20000 rev/s^2

B. 5,000 rev/s^2

C. 333 rev/s^2

D. 83 rev/s^2

E. 167 rev/s^2

Question

2 September, 12:53

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Answers (1)

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Damian Wilcox · Answer 1

The correct answer is B 5,000 rev/s^2

A Blu-ray disk spins up from rest to an angular speed of about 10,000 revolutions per minute. If itcan do this spin-up process in 2 seconds, what is its angular accelerationA. 20000 rev/s^2B. 5,000 rev/s^2C. 333 rev/s^2D. 83 rev/s^2E. 167 rev/s^2