A torsional pendulum consists of a solid disk (mass = 2.0 kg, radius = 1.0 m) suspended by a wire attached to a rigid support. The body oscillates about the support wire. If the torsion constant is 16 N⋅m/rad. What is the angular frequency (in rad/s) ? 
Definitions:
Chemoreceptor Mechanism
A physiological process involving receptors that detect changes in the chemical concentration of substances (such as oxygen or carbon dioxide) in the body and signal these changes to the nervous system.
Capillary Permeability
The ability of substances to pass through the tiny blood vessels called capillaries, which is critical for the exchange of oxygen, nutrients, and waste products between blood and tissues.
Plasma Colloid Osmotic Pressure
The pressure exerted by plasma proteins on the capillary walls, influencing the movement of water between capillaries and tissues.
Vasomotor Tone
Relatively constant frequency of sympathetic impulses that keep blood vessels partially constricted in the periphery.
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