Assume you are aboard a submarine, submerged in the Pacific Ocean. At time t=0, you make contact with an enemy destroyer. Immediately, you start...

t = 9 minutes, you are at your shallowest, y = -200 meters. Sketch a graph of the depth of the submarine versus time, assuming that it varies sinusoidally. Write an equation to model the motion. If your submarine is “safe” when it is below y = -300 meters, were you safe at time t=0?