Every Second at Niagara Falls,some 5 000 M³ of Water $\degree$

question 16

Short Answer

Every second at Niagara Falls,some 5 000 m³ of water falls a distance of 50 m.What is the increase in entropy per second due to the falling water? (Assume a 20 $\degree$ C environment).

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Definitions:

Absolute Threshold

The minimum stimulus intensity required to detect a stimulus at least half the time.

Sensory Adaptation

The mechanism by which sensory receptors reduce their sensitivity to sustained stimuli as time progresses.

Signal Detection Theory

A psychological theory that describes how individuals decide on the presence or absence of a stimulus under conditions of uncertainty.

Ganglion Cells

Neurons located in the retina of the eye that integrate visual information before it's transmitted to the brain via the optic nerve.