Which of the following is an example of a longitudinal wave? A. A wave traveling down a stretched Slinky toy, with both ends held
fixed.
B. A wave of ocean water as it reaches the beach.
C. A wave on the surface of a drum that has been struck.
D. A wave traveling down a long, stretched string, with both ends held
fixed.
SUBMIT

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