Answer:
Sorry cant find the answer but i hope you got it right and if you didn't you'll still do great. :)
Explanation:
<span>(20 cm)/(5 sec) = (0.20 meters)/(5 seconds)
</span>
Taking notes,because you can read back on what you learned
Answer:Constructive interference results in a wave with a greater amplitude than any of the component waves.
Explanation:
V: velocity of wave
f: frequency
L: wavelenght
v = fL => L = v/f => L = (3x10^8)/(900x10^3) => L = 3.33 x 10^2m
