A Spring Vibrates in Simple Harmonic Motion According to the Equation

question 93

Multiple Choice

A spring vibrates in simple harmonic motion according to the equation
X = 15 cos $\pi$ t.
Where x is in centimeters and t is in seconds. The total number of vibrations this body makes in 10 s is

• A) 0.5
• B) 10
• C) \(\pi\)
• D) 15
• E) 5

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