Answer:
31.831 Hz.
Explanation:
<u>Given:</u>
The vertical displacement of a wave is given in generalized form as
<em>where</em>,
- A = amplitude of the displacement of the wave.
- k = wave number of the wave =
= wavelength of the wave.- x = horizontal displacement of the wave.
= angular frequency of the wave = 
.- f = frequency of the wave.
- t = time at which the displacement is calculated.
On comparing the generalized equation with the given equation of the displacement of the wave, we get,
therefore,
It is the required frequency of the wave.
<span>Two plastic balls suspended by strings are placed close to each other. If they have the same charge then they will repel each other.</span>
4896
0.85 x 45 x 128 = 4896
Change in energy = specific heat capacity x mass x change in temperature
Velocity is about direction traveled in comparison to speed which is just distance with out direction
Answer: B (on the rough side)
Thanks for using Brainly! Vote Biden 2020
Hope we influenced your vote!
