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Question | Answer |
---|---|
does length effect the pendulum? | yes |
the time for one cycle | period |
the pilled up energy | sound barrier |
when the listener can hear a boom | sonic boom |
how do u calculate the speed of a wave | by multiplying the wavelength by the frequency |
when the crest of 1 wave overlaps the trough of another | destructive interference |
a change in frequancy due to the motion of the source of wave | the doppler effect |
this wave occurs when a wave souce moves faster than the wave it produces | bow wave |
this wave occurs when an object moves faster than the speed of sound | shock wave |
a wiggle in time | vibration |
one complete back and forth swing | cycle |
a pictorial representation of a wave formed by swinging a pendulum or bouncing a spring | sine curve |
when the crest overlaps a crest | constructive interference |
sound waves are these kind of waves | longitudinal |
the distance from the top of one crest to the top of the next one | wavelength |
lower waves have less of this | energy |
back and forth vibrating motion | simple harmonic motion |
the maximum displacement from equilibrium | amplitude |
the high point on a wave | crests |
the unit of frequency | hertz |
the low points on a wave | troughs |
waves per second | hertz |
a 3 dimensional cone shape | shock wave |
forns when only half a wavelength or a multiple of half a wavelength fits exactly into the length of the vibrating medium | standing wavee |
occurs when waves from different sources arrive at the same point-at the same time | interference patterns |
nodes | destructive |
antinods | constructive |
standing waves have different | frequencies |
these waves are found in strings of musical instruments | standing waves |
sound and light waves also produce | the doppler effect |
does an ambulance coming towards you have a high or low pitched sound | high |
light source that moves towards you that has a higher frequency | blue shift |
light source moving away from you has a lower frequency | red shift |
this wave overlaps at the edges occurs only when the source travels faster than the wave speed | bow waves |