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12-01-2024
Mathematics

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A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5.0 cos (Pi*t). The magnitude of the acceleration (in m/s²) of the body at t = 1.0 s is approximately
a. 3.5
b. 49
c. 14
d. 43
e. 4.3

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