A Bucket in an Old Well Is Hoisted Upward by a Rope

question 22

Multiple Choice

A bucket in an old well is hoisted upward by a rope which winds up on a cylinder having a radius of 0.050 m.How many rev/s must the cylinder turn if the bucket is raised at a speed of 0.250 m/s?

• A)5.00 rev/s
• B)7.85 rev/s
• C)1.59 rev/s
• D)0.80 rev/s
• E)3.18 rev/s

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Definitions:

Hot Flashes

Sudden feelings of warmth, typically associated with menopause, that are not caused by the external environment.

Non-24-Hour Type

A circadian rhythm disorder leading to a sleep-wake pattern that extends beyond the typical 24-hour cycle, affecting sleep regularity.

Circadian Rhythm Disorder

Disruptions in the natural, internal process that regulates the sleep-wake cycle over a 24-hour period.

Free-Running Sleep-Wake Cycle

A sleep pattern that occurs without the cues of natural light-dark cycles, often seen in blind individuals or in conditions of isolation from standard time cues.