I believe it would be D a change in direction of motion
As the water russhes toward the shore, it rises because it is pushing against it.<span />
Data:

n (Wave node)
V (Wave belly)
L (Wave length)
<span>The number of bells is equal to the number of the harmonic emitted by the string.
</span>

Wire 2 → 2º Harmonic → n = 2







Wire 1 → 1º Harmonic or Fundamental rope → n = 1



If, We have:
V = 42L
Soon:



Answer:
<span>The fundamental frequency of the string:
</span>
21 Hz
Answer:
C
Explanation:
gravity is a pulling force according to Newton
Answer:
First one is voltage
second is resistance
third is electric current
hope this helped!!