Answer:
The final speed of the railroad car
V= 1.14 
Explanation:
That's the final speed of the both railroad car
Frequency f =5×10^9Hz
Speed of radio waves=speed of light c =3×10^8m/s
Wavelength λ = c/f
= 3×10^8/5×10^9
= 0.06m
Answer:
A) move into the left lane to pass the motorcycle
Explanation:
According to law, when it is needed to pass other vehicles, it requires you to only pass other vehicles on the left (using the left lane).
When passing a motorcyclist, remember to give him/her the same full lane width as other vehicles. Never drive in the same lane with a motorcyclist, even if the lane is wide enough to fit your vehicle and the motorcyclist.
The answer to this question is D
<span>The amplitude because that controls the height of the wave. Correct answer: Amplitude.</span>
