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Does the Doppler Effect explain why you hear a train whistle differently after it passes you than you do as it approaches you?
Yes, the Doppler Effect explains this phenomenon. As the train approaches, sound waves are compressed, leading to a higher frequency and a higher pitch. As the train passes, sound waves are stretched, resulting in a lower frequency and a lower pitch, which is why the whistle sounds different before and after the train passes.
What causes the change in pitch of an approaching train whistle?
The change in pitch of an approaching train whistle is due to the Doppler effect. As the train moves towards the observer, the sound waves are compressed, leading to a higher frequency and thus a higher pitch. Similarly, as the train moves away, the sound waves are stretched, resulting in a lower frequency and a lower pitch.
What is a train example of the Doppler effect?
A train horn sounding higher in pitch as it approaches you and lower in pitch as it moves away is a common example of the Doppler effect. This occurs because the sound waves are compressed (higher pitch) when the train is moving towards you, and stretched (lower pitch) when it is moving away.
Why is the pitch of a train's whistle higher as the train approaches and loweras it moves away?
This is known as the Doppler effect. As the train approaches you, the wavelength of the sound waves it emits are compressed, and therefore the whistle sounds higher. When the train is moving away, the wavelengths are extended, causing the whistle to sound lower. If the train were not moving at all, the pitch you would hear from the whistle would be somewhere between the high and low pitches you hear when the train is moving.
What are the types of training required to train footballers?
skills & fitness
Does a train whistle get higher or lower when it gets closer?
Sounds get higher in pitch as they get closer, due to the sounds waves getting packed closer together. (Which IS higher-pitched) Sounds get lower in pitch as they go away, due to the sound waves being pulled farther apart than normal. (Which IS lower-pitched). This is called the Doppler effect, and works with light, also.
Where can I find somebody to train me to military Fitness?
You can be trained to military Fitness standards using a Fitness program such as P90X or Insanity which have given workouts that military personnel do as well.
Where can I train to be a pure Fitness instructor?
You do need to undergo a training to become a pure Fitness instructor. If interested you would have to bring a resume to your local pure Fitness location.
Should I use Alpine Fitness to help me train for a triathlon?
Alpine Fitness seems like a great way to train for an upcoming triathlon. It will be able to give you the guidance and motivation you need to get in top shape.
What is, and why should I use octane Fitness?
Octane Fitness has a variety of Fitness machines such as elliptical trainers. These are a great idea because they help you to train in multiple ways and different areas of your body.
What are the benefits of altitude?
Long distance runners who train at high altitude develop greater lung capacity relative to those who train at or near sea level. Consequently, when these high altitude runners compete with runners from lower altitudes, they have an advantage regardless of whether they compete at lower or higher altitudes.
What is a good weight machine to train the lower body?
You want a machine that allows you to do leg lifts to train the lower body.
