An Air Conditioning Unit Is Vibrating in Simple Harmonic Motion

question 67

Multiple Choice

An air conditioning unit is vibrating in simple harmonic motion with a period of 0.27 s and a range (from the maximum in one direction to the maximum in the other) of 3.0 cm. At t = 0 it is at its central position and moving in the +x direction. What is its position when t = 55 s?

• A)x = -0.430 cm
• B)x = -0.511 cm
• C)x = 0.511 cm
• D)x = -1.41 cm
• E)x = -1.44 cm

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