Asmall object a, electrically charged, creates an electric field. at a point p located 0.250 m directly north of a, the field has a value of 40.0 n/c directed to the south.
what is the charge of object a?

The graph shown is a velocity-time graph of an object. what is the acceleration of the object from 6.0 to 10.0 seconds?

In addition to gravity, what is the other predominant force that affects the motion of a pendulum?

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