The Position of a Mass That Is Oscillating on a Spring

question 67

Multiple Choice

The position of a mass that is oscillating on a spring is given by x = (12.3 cm) cos[(1.26 s^-1) t]. What is the speed of the mass when t = 0.805 s?

• A) - 13.2 cm/s
• B) 13.2 cm/s
• C) 8.19 cm/s
• D) - 8.19 cm/s
• E) 0 cm/s

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Definitions:

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