The displacement of a vibrating mass attached to a spring at time t is given by:

A. x = x0 sin⁡√(𝑘/𝑚) t
B. x = x0 cos⁡√(𝑘/𝑚)⁡𝑡
C. x = x0 cos⁡√𝑘𝑚𝑡
D. x = x0 cos⁡〖(𝑘/𝑚 𝑡)〗

B. x = x0 cos⁡√(𝑘/𝑚)⁡𝑡

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