Answer:
A) Speed
Explanation:
The medium of transmission(air) does not change before and after reflection. The sound still travels in air after the reflection. i.e the medium of transmission of sound is constant.
Since the medium of transmission remains constant, speed also remains constant. Speed only changes when the medium of transmission changes.
Hello there!
The Centripetal force keeps an object moving in a circle or constant direction at the same speed.
Hope this helps!
C,d,or e you can use the process of elimination to decide...
Use f = uN to find the coefficient of friction. We know friction (6.0 N) and the normal forces (18 N), so plug them in to the equation which gives us 6 = u18. Solving for u: <span>u = 0.33</span>
Concept: The frequency won't change in water or in air.
Since wavelength x frequency = speed, wavelength is proportional to speed.
So, Middle C has a longer wavelength in water than in air.
Have a good day
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