Which two concepts are Newton´s laws based on?

The slope of a velocity time graph over any interval of time gives the during that interval

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?

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