Physics

Physics

Problem

A body performs SHM according to x(t)=0.05cos⁡(8πt+π/3)x(t)=0.05\cos(8\pi t+\pi/3), where xx is in metres and tt in seconds. The displacement of the body at t=0.25 st=0.25\,\text{s} is a) +0.050 m+0.050\,\text{m} b) −0.025 m-0.025\,\text{m} c) +0.025 m+0.025\,\text{m} d) +0.043 m+0.043\,\text{m}

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