A car is driving 20.7 m/s when the passenger throws a ball from the window at 3.7 m/s in the same direction as the motion of the car. Ignoring air resistance, what is the speed of the ball (in m/s)? (Assume both given values are to the nearest 10th).

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