A Hole Is Poked Through the Metal Side of a Drum

question 29

Multiple Choice

A hole is poked through the metal side of a drum holding water.The hole is 18 cm below the water surface.What is the initial speed of outflow?

• A)1.9 m/s
• B)2.96 m/s
• C)3.2 m/s
• D)3.5 m/s

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Definitions:

Pulsating Currents

A type of electrical current that varies in amplitude but not direction, often seen as the output of rectifiers and can be smoothed into a more constant DC current using filters.

Triplen Harmonic Frequencies

Odd multiples of the third harmonic frequency that, when present in three-phase electrical systems, can lead to neutral conductor current overload and equipment overheating.

Phase Currents

Phase currents refer to the currents that flow through each phase of a multi-phase system, such as in three-phase electrical systems, highlighting their individual magnitudes and directions.

Neutral Conductor

A conductor that carries only the imbalance of current between the live conductors in a multiphase system, and is at ground potential.