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A mass weighing 12 pounds stretches a spring 2 feet. The mass is initially released from...

A mass weighing 12 pounds stretches a spring 2 feet. The mass is initially released from a point 1 foot below equilibrium with an upward velocity of 4 ft/s.

(a) Find the equation of motion

(b) In correct units, what are the amplitude, period, and frequency of this simple harmonic motion?

(c) What is the velocity of the mass at ? = 3? 16 seconds?

(d) Find the first three times that the velocity is zero, expressed both in exact form and rounded to four decimal places.

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Expert Solution

genius_generous answered 2 years ago
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