8. An object that is traveling 50m/s slows down with an acceleration rate of -3.5m/s/s. This took place over a period of 4s.
What was the objects final velocity? *

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