Find number of revolutions the disc makes

Reference no: EM13332861

A bluray disc is 12cm in diameter. When you put it into the player it takes 30 seconds for the disc to accelerate to its playing speed; 1500 revolutions per minute.

a) find number of revolutions the disc makes during the time it takes to reach its playing speed

b) if a movie is 2 hours long, how far will a point on the edge of the disc travel during the movie?

Reference no: EM13332861

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