A Bat Wants to Locate a Stationary Obstacle While Moving

question 4

Essay

A bat wants to locate a stationary obstacle while moving toward it at 4 m/s and emitting sound pulses at a frequency of 80 kHZ. What is the fractional of change of the echo's frequency? The speed of sound in air is 343 m/s.

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Definitions:

Moderately Strong Association

A statistical term indicating that there is a noticeable but not overwhelming relationship between two variables.

Little or No Association

A term used in statistics to describe a situation where there is minimal or no statistical relationship between two variables.

Nonlinear

Describing a process, relation, or equation in which there is not a straight line relationship between variables.

Positive

An attribute or condition that denotes the presence of a particular trait, value, or outcome, typically associated with desirable results.