If there was no gravity acting on the object and it was launched at an upwards angle of 30 degrees, explain its path. the object would move downward at the same angle. the object would quickly fall the object would continue to move upwards at the same angle. the object would move straight upwards

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