A wave pulse on a string has the dimensions shown in Fig. E15.30 at t = 0. The wave speed is 40 cm/s.

(a) If point O is a fixed end, draw the total wave on the string at t = 15 ms, 20 ms, 25 ms, 30 ms, 35 ms, 40 ms, and 45 ms.

(b) Repeat part (a) for the case in which point O is a free end.

Figure E15.30:

4.0 mm 4.0 mm v = 40 cm/s k* 4.0 mm 8.0 mm