A tank with a diameter of 10 m is open at the top and contains water that is 12 m deep. There is a hole 1.0 m from the bottom of the tank with a diameter of 0.02 m. The speed of the water as it exits the hole is most nearly

A
0.6m/s
B
4.5m/s
C
14.8m/s
D
15.5m/s

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