(.140*25)+(75*0)= 3.5
3.5 = (.140 + 75)v
(3.5)/(.140 + 75) = v = .04657
which rounds up to .05 m/s
Answer:
Although the wave slows down, its frequency remains the same, due to the fact that its wavelength is shorter. When waves travel from one medium to another the frequency never changes.
Answer:
2
Explanation:
She's attracted with a great force back to earth's surface
Answer:
uduehdhehshdhdhdhdegsgshe
Explanation:
a
