A Mass M Is Hanging on a String That Passes

question 17

Multiple Choice

A mass m is hanging on a string that passes over a pulley and is then attached to another mass 3m that is resting on a horizontal table.Neglect friction.Mass m is held motionless and is then released.When it has fallen a distance h,it will have a speed v which can be calculated from the formula

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Definitions:

Pharynx

The muscular tube that connects the mouth and nasal passages with the esophagus and larynx, involved in breathing, swallowing, and speaking.

Inspiratory Reserve Volume

The additional amount of air that can be forcibly inhaled after the completion of a normal inspiration.

Inspiratory Capacity

The maximum amount of air an individual can inhale after completing a normal, restful exhalation, important in respiratory assessments.

Tidal Volume

The amount of air moved into or out of the lungs during a normal breath.