A Uniform Meter Stick Is Freely Pivoted About the 0

question 33

Multiple Choice

A uniform meter stick is freely pivoted about the 0.20-m mark.If it is allowed to swing in a vertical plane with a small amplitude and friction,what is the frequency of its oscillations?

• A) 0.55 Hz
• B) 0.66 Hz
• C) 0.92 Hz
• D) 1.1 Hz
• E) 1.3 Hz

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Definitions:

Tropomyosin

A protein that, along with troponin, regulates the contraction of muscles by covering or uncovering the binding sites on actin filaments.

Calcium

A chemical element and essential mineral for living organisms, crucial for bone health, muscle function, and nerve signaling.

Glycogen Stores

Accumulations of glycogen within the liver and muscles, serving as a form of energy storage for the body.

Sarcoplasmic Reticulum

A network of membrane-enclosed tubules in muscle cells that stores and releases calcium ions, critical for muscle contraction.