4. Ann and Becky run on a straight track. Ann starts m ahead of Becky, and runs at a constant rate of 3 m/s , while Becky runs at a constant rate of 4 m/s . they both started running at the same time, after how many seconds will Becky overtake Ann?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

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

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral