A Ball of Mass M, at One End of a String

question 2

Multiple Choice

A ball of mass m, at one end of a string of length L, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. The speed of the ball at the bottom of the circle is:

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Definitions:

Hyperopia

A vision condition where distant objects are seen more clearly than near objects, often referred to as farsightedness.

Farsightedness

A common vision condition where distant objects are seen more clearly than close ones, also known as hyperopia.

Tonometer

An instrument used to measure the pressure inside the eye, important for diagnosing and monitoring glaucoma.

Intraocular Pressure

The fluid pressure inside the eye, critical for maintaining eye shape and proper vision; abnormalities can indicate glaucoma.