The observation that the inertial mass m , (from F = m , a ) and the gravitational mass m G (from w = m G g ) of an object are the same (equal) is a statement of: a. The Principle of Equivalence. O b. Energy inequality. O c. The Constancy of the Speed of Light. O d. The Principle of Mass. The partially localized quantum wave packet, representing a moving particle with mass, consists of many waves added together with what important wave aspect varying: O a. many-particle speeds. b. de Broglie wavelengths. O c. wave amplitudes. Od. wave colors