The equation of a wave is given by y=10 {\Sin} (\frac{2 \pi}{45} t+\alpha). If the displacement is 5 {\cm} at t=0, then the total phase at t=7.5 sec. is .....................

KCET 2011 Physics Solved Paper

Question : 17 of 60

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The equation of a wave is given by y=10‌Sin(‌

2π

t+α). If the displacement is 5‌cm at t=0, then the total phase at t=7.5 sec. is .....................

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