A 2.0 kg brick has the dimensions 7.5 cm X 25 cm X 15 cmx 30 cm. find the pressure exerted by the brick on a table when it is resting on its various faces.

Who can answer this pls

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