0
What else can I help you with?
Which type of report is submitted by the by the observer upon encountering enemy activity to higher headquarters through the most secure...?
A S-A-L-U-T-E reportSALUTE is an acronym that stands forSizeActivityLocationUnit identificationTime, andEquipment
Which type of report is submitted by the observer upon encountering enemy activity to higher headquarters through the most secure means?
A S-A-L-U-T-E reportSALUTE is an acronym that stands forSizeActivityLocationUnit identificationTime, andEquipment
Does the Doppler Effect mean that an observer ahead of a train hears the train at a higher frequency sound than an observer behind the train?
Yes that is the case.
When the source of a wave is moving relative to an observer of the wave what happens?
If the source of a wave is moving towards the observer, the observer will perceive a higher frequency (blue shift) in the wave. If the source is moving away, the observer will perceive a lower frequency (red shift) in the wave. This is known as the Doppler effect.
Does the frequency change if the observer moves?
Yes, the frequency of a wave changes if the observer is moving relative to the source of the wave. This is described by the Doppler effect, where the frequency appears higher if the observer is moving towards the source, and lower if the observer is moving away from the source.
What happens to sound waves produced by an object that is moving towards an observer?
Sound waves produced by an object moving towards an observer will be compressed due to the Doppler effect, causing the pitch to increase. This results in the observer perceiving a higher frequency of the sound waves.
When does an observer at a railroad crossing hear the lowest frequency of a trains whistle?
An observer at a railroad crossing hears the lowest frequency of a train's whistle when the train is approaching. As the train moves towards the observer, the sound waves are compressed, resulting in a higher perceived frequency.
The apparent change in the frequency of a sound emitted by a moving object as it passes a stationary abserver?
The apparent change in the frequency of a sound emitted by a moving object as it passes a stationary observer is called the Doppler effect. As the object moves towards the observer, the observer perceives a higher frequency (higher pitch) than what is actually emitted. Conversely, as the object moves away from the observer, the perceived frequency is lower than the actual frequency emitted.
In situations will the observer perceive the highest frequency from the fire truck siren?
The observer will perceive the highest frequency from the fire truck siren when the siren is approaching them. This is due to the Doppler effect, where the sound waves get compressed as the source moves towards the observer, resulting in a higher pitch.
How does the relative motion between the source of a wave and an observer effect the observation of the wave?
The relative motion between the source of a wave and an observer can affect the observed frequency and wavelength of the wave. If the source and observer are moving towards each other, the observer will perceive a higher frequency and shorter wavelength (Doppler effect). If they are moving away from each other, the observer will perceive a lower frequency and longer wavelength.
Does a watermelon or a walnut have a higher water activity?
Watermelons have higher water activity because they contain more water than walnuts
The Doppler effect says that if v0 is greater then vs then an observer will hear a higher pitch in front of source does that mean if vs is greater v0 an observer will hear a higher pitch BEHIND source?
Yes. vs > v0 and you're behind the source means you're catching up to it. Only the relative motion matters for the Doppler effect. Even though you're behind the source and it's moving away from you in absolute terms, you're moving toward it in relative terms.
