Solve the problem.A spring with a spring constant k of 70 pounds per foot is loaded with a 4-pound weight and allowed to reach equilibrium. It is then stretched an additional 6 inches and released. Find the equation of motion. Neglect friction.
A. y = 
cos 4.183t
B. y = 6 sin 23.664t
C. y = 
cos 23.664t
D. y = 6 sin 4.183t
Answer: C
Mathematics
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2? 
3
A. 
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C. 
D. 
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