The Position of a Mass That Is Oscillating on a Spring

question 8

Multiple Choice

The position of a mass that is oscillating on a spring is given by x = (12.3 cm) cos[(1.26s^-1) t]. What is the velocity of the mass when t = 0.815 s?

• A)- 13.3 cm/s
• B)13.3 cm/s
• C)8.02 cm/s
• D)- 8.02 cm/s
• E)0 cm/s

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