true or false A permanent magnet and a coil of wire carrying a current both produce magnetic fields

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate

Acar of mass 800kg is moving at a speed of 2.2m/s.

Aforce is a vector quantity because it has both?