1.match the definition to the location on the venn diagram 2.net force greater or less than 0, results in a change in direction 3.a push or pull on an object, magnitude and direction does not result in a change in motion, net force equals 0

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.