the pitch of a sound is most closely related to the
the structure with in the cochlea containing cells that vibrate at different natural frequencies is the
a sonar system measures distance by determining the
radar works by sending a signal out from an air traffic control tower that is
the color that an object appears to be depends on
light rays that pass through a lens change direction because
which of these affect the speed of sound
which of these affects the pitch of sound
what causes the sound of a guitar to get louder as it is palyed
because its molecules ae far apart. sound waves travel slowly through
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