Two waves are simultaneously passing through a string. The equations of the waves are given by
y1 = A1sin k(x - vt)
and y2 = A2sin k(x - vt + x0),
where the wave number k = 2π cm - 1 and x0 = 1.50 cm. The amplitudes are A1 = 5.0 mm and A2 = 4.0 mm. Find the amplitude of the resulting wave.
1
9 mm
2
1mm
3
10.5 mm
4
7.52 mm