Two pulses having the same amplitude and the same speed v= 1.0 cm/s approach each other, as shown in figure 12, which shows their positions at time=0. At what time will they completely cancel each other? (Ans: 5.0 s) V = die t = V 4x =2 d=6cm 10-4 10 4x=2 R 34 T Figure 12 T 36 m)