1. Two pulses on a cord at time t = 0 are moving toward each other; the speed of each pulse is 2.50 m/s. Match the shape of the cord at 0.600, 0.800, and 0.900 s.

\f(cm) 10.0 5.0 0 6 x (m) 5.0 10.0cm 10.0 5.0 0 6 8 x (m) -5.0 10.0