4. Plucking these wires with equal force will produce which difference in effect? AOnly the longer wire will make a sound.

BSounds produced by the wires will have different pitches.

COnly the longer wire will make a sound that can echo.

Dsounds produced by the wires will have different masses.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up