A bar of soap has a mass of 53.65 grams and its dimensions are 4.6cm by 2.3cm by 6.1cm. Find the density of the bar of soap. *

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