For a transverse wave on a cord, (SI units)

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

For a transverse wave on a cord, y=0.03cos⁡(6x−120t)y = 0.03\cos(6x - 120t) (SI units). The frequency of the wave is closest to (a) 38 Hz38\,\text{Hz} (b) 19 Hz19\,\text{Hz} (c) 120 Hz120\,\text{Hz} (d) 9.6 Hz9.6\,\text{Hz}

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