Waves, Photons & the EM Spectrum

Find also the frequency and the angular frequency. T = 1.6 s; f = 0.63 Hz; ω = 4.0 rad/s If the object-spring system is described by x=(0.330m)cos (1.50t), find the amplitude, the angular frequency, the frequency, the period, and the position of when t=0.250 s. ................
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