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Results tagged with waves
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user 114205
Waves are disturbances that propagate through space and time. Classically, they travelled through a medium, disturbing the particles but not changing their mean position. Electromagnetic waves/particle-waves need no medium; they are disturbances in their respective fields.
4
votes
Why a ship can't pass through its own wave?
Hull_speed
The answers it provides are:
Question 1: When the wavelength of the bow wave is equal to the length of the ship, the bow wave interferes constructively with the stern wave, causing taller waves … in the wake and thus more energy radiated in the waves and more drag. …
- 2,086
11
votes
What's the difference between a microphone and a barometer?
Both are monitoring air pressure, but they are far from the same thing. One is designed to pick up tiny, fleeting fluctuations with great precision, while the other is designed to read out a stable n …
- 2,086
1
vote
Why do smaller wavelengths image particles more clearly when the particle size is already big?
A ratio of 1 to 3 is well within the regime where the wavelength is "similar" to the object size, and diffraction/scattering effects are massively important.
Without even getting into the details of …
- 2,086
1
vote
Why the faster you spin the highest the pitch get in a whirly tube?
You have made several assertions and asked several questions. I will address your assertions first because I think they confuse the question, and then point you toward information to explain your phe …
- 2,086
1
vote
How does the string of an acoustic guitar transfer energy to the guitar's body?
In the violin acoustics field (equivalent to guitar acoustics for our purposes here), it is common to study the body of the instrument and the air which surrounds it all at once. So one measures the r …
- 2,086