If the absolute pressure of a gas is 550.280 kpa, its gage pressure is a. 101.325 kpa. b. 651.605 kpa. c. 448.955 kpa. d. 277.280 kpa.

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