What is the smallest positive phase angle for this wave

Reference no: EM13529536

At time t = 0 and at position x = 0 m along a string, a rightward (+x dir) travelling sinusoidal wave with frequency of 220 Hz has displacement y = +4.0 mm and transverse velocity vy = -0.75 m/s.

a) What is the smallest positive phase angle for this wave?

phi+ =

b) What is the amplitude of this wave?

c) How long does an observer at x=0 need to wait before a trough (y=-A) arrives?

Reference no: EM13529536

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