Essay
Suppose a 10-lb object stretches a spring 2.25 feet while in equilibrium. If the object is displaced an additional 1.5 inches and is then set in motion with an initial upward velocity of -1 feet per second.
Suppose the phase angle δ is such that the solution curve can be expressed in the form . 
What is an expression for tan δ? Provide the exact value, not a decimal approximation.
tan δ = ________
Correct Answer:
Verified
Correct Answer:
Verified
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