A Bat Emits a Sound at a Frequency of 30

question 52

Multiple Choice

A bat emits a sound at a frequency of 30.0 kHz as it approaches a wall. The bat detects beats such that the frequency of the echo is 900 Hz higher than the frequency the bat is emitting. What is the speed of the bat? The speed of sound in air is 340 m/s.

• A)20.0 m/s
• B)15.0 m/s
• C)10.0 m/s
• D)30.0 m/s
• E)5.0 m/s

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Definitions:

Interneurons

Specialized neurons that act as intermediaries, transmitting impulses between other neurons, particularly within the brain and spinal cord.

Efferent

Nerve fibers that carry signals away from the central nervous system to effectors such as muscles and glands.

Afferent

Refers to the conveyance of sensory information from the peripheral body parts to the central nervous system.

Sensory Neuron

A type of neuron responsible for conveying information from sensory receptors towards the central nervous system.