Blocks A and B have masses of 36 kg and 60 kg, respectively. They are placed on a smooth surface and the spring connected between them is stretched 2 m. They are released from rest. (Figure 1) k = 180 N/m A B Determine the speed of block A the instant the spring becomes unstretched. Express your answer to three significant figures and include the appropriate units. H VA= Value ? Units Determine the speed of block B. Express your answer to three significant figures and include the appropriate units. VB = ? Units Value