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An extremely large flywheel in a generator is rotating at 1980 revolutions per minute at full power. When the power is discontinued, the speed of the wheel decreases exponentially (following the law of uninhibited growth and decay). After 8 minutes, the speed of the wheel is at 1564 revolutions per minute. Suppose it is safe for both the generator and personnel to manually stop the flywheel once the rpm's drop to 8 revolutions per minute. How long after the power was discontinued is it safe to manually stop the flywheel? Give at least 3 decimal places. Answer: It is safe after minutes.

An extremely large flywheel in a generator is rotating at 1980 revolutions per minute at full power. When the power is discontinued, the speed of the wheel decreases exponentially (following the law of uninhibited growth and decay). After 8 minutes, the speed of the wheel is at 1564 revolutions per minute. Suppose it is safe for both the generator and personnel to manually stop the flywheel once the rpm's drop to 8 revolutions per minute. How long after the power was discontinued is it safe to manually stop the flywheel? Give at least 3 decimal places. Answer: It is safe after minutes.

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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When An extremely large flywheel in a generator is rotating at 1980 revolutions per minute at full the power is discontinued, the speed of the wheel decreases exponentially (following the law of uninhibited growth and decay). After 8 minutes, the speed of the wheel is at 1564 revolutions per minute. Suppose it is safe for both the generator and personnel to manually stop the flywheel once the rpm's drop to 8 revolutions per minute. How long after the power was discontinued is it safe to manually stop the flywheel? Give at least 3 decimal places. power. Answer: It is safe after minutes.
Transcribed Image Text:When An extremely large flywheel in a generator is rotating at 1980 revolutions per minute at full the power is discontinued, the speed of the wheel decreases exponentially (following the law of uninhibited growth and decay). After 8 minutes, the speed of the wheel is at 1564 revolutions per minute. Suppose it is safe for both the generator and personnel to manually stop the flywheel once the rpm's drop to 8 revolutions per minute. How long after the power was discontinued is it safe to manually stop the flywheel? Give at least 3 decimal places. power. Answer: It is safe after minutes.
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