its c so componets arr r\very fragle im aying this because it needs more then 20 letters
Answer a would be correct since velocity is a vector and has a magnitude and a direction. In this case v₁ = - v₂.
What type of recording device? You can have a: camera and voice recorder, these are the only type of recording device I can think of
There may be more, but these are the ones I think you are allowed... hope this helps you ☁︎☀︎☁︎
Answer:
Visible light has a shorter wavelength than radio waves
