Two pulses A and B are moving in opposite directions along a taut string with a speed of 2.00 cm/s. The amplitude of A is twice the amplitude of B. The pulses are shown in Figure P18.2 at t = 0. Sketch the shape of the string at t = 1, 1.5, 2, 2.5, and 3 s.

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Cin 2.00 cm/s -2.00 cm/s 2 atein 2 4 68 10 12 14 16 18 20 Figure P18.2