Aperson runs off a cliff into a lake below. if the person leaves the cliff without a horizontal velocity of 4m/s, how far way from the cliff does he land is the cliff is 17m high?

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