An Object Attached to One End of a Spring Makes

question 20

Multiple Choice

An object attached to one end of a spring makes 20 complete vibrations in 10s.Its period is:

• A)2 Hz
• B)10 s
• C)0.5 Hz
• D)2 s
• E)0.50 s

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Definitions:

Histamine

A compound released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.

Prostaglandins

A group of physiologically active lipid compounds that have diverse hormone-like effects in animals.

Sensory Stimulus

An external or internal event or factor that initiates a sensory response in an organism, leading to a potential change in behavior or physiological state.

Perception

The meaning a brain derives from a sensation.