An electromagnetic wave moving through free space at 3 x 10^8 m/s has a frequency of 4.62 x 10^14 hz what is the wavelength of this wave

Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions

Describe the path of the electric current through a circuit?

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?