I think the correct answer among the choices listed above is option C. Magnetic levitation has been used to innovate transportation. This innovation is commonly known as maglev. It is a new transportation technology where noncontacting vehicles travel above a guideway by magnetic fields.
Answer:

Explanation:
Knowing that the formula for average velocity is:

Being said that, we know that the person's displacement is zero because it returns to its starting point

That means 

Answer:
Anc is the political party
Remember that the speed of a wave is the product of both the wavelength and the frequency of the wave.
First convert the units to m and then multiply the values to calculate its propagation or wave speed.
C = lambda • frequency.