A steel ball weighing 128 pounds is suspended from a spring. This stretches the spring 12865 feet. The ball is started in motion from the equilibrium position with a downward velocity of 8 feet per second. The air resistance (in pounds) of the moving ball numerically equals 4 times its velocity (in feet per second). Suppose that after t seconds the ball is y feet below its rest position. Find y in terms of t. (Note that this means that the positive direction for y is down.)
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Home » Mathematics » A steel ball weighing 128 pounds is suspended from a spring. This stretches the spring 12865 feet. The ball is started in motion from the equilibrium position with a downward velocity of 8 feet per second.