Solve the problem.When an object weighing 5 pounds is attached to the lowest point P of a spring that hangs vertically, the spring is extended 6 inches. The 5-pound weight is replaced by a 3-pound weight, and the system is allowed to come to equilibrium. The 3-pound weight is then pulled downward another 15 feet and then released. Find the equation of motion. Neglect friction.

Question

A. y = 15 cos 10.328t
B. y = 15 cos 1.826t
C. y = 15 cos 106.667t
D. y = 15 cos 2.981t

Answer 1

Answer: A