according to the graph. 232) A block attached to a horizontal spring that has a spring constant of 50 N/m oscillates Q30. What is the period of the motion? A. 2.0 s B. 4.0 s C. 6.0 s D. 8.0 s E. 20 s x (cm) 20 A. Usp stays the same, K stays the same B. Usp decreases, K increases C. Usp decreases, K decreases -20 Q31. What is the total mechanical energy of the spring block system? A. 4.0 J B. 0.5 J C. 0.25 J D. 2.0 J E. 1.0 J D. Usp increases, K decreases E. Usp increases, K increases 2 6 8 -1 (s) Q32. What happens to the spring potential energy Usp of the spring and kinetic energy K of the block from 1.0 s to 2.0 s? 20

according to the graph. 232) A block attached to a horizontal spring that has a spring constant of 50 N/m oscillates Q30. What is the period of the motion? A. 2.0 s B. 4.0 s C. 6.0 s D. 8.0 s E. 20 s x (cm) 20 A. Usp stays the same, K stays the same B. Usp decreases, K increases C. Usp decreases, K decreases -20 Q31. What is the total mechanical energy of the spring block system? A. 4.0 J B. 0.5 J C. 0.25 J D. 2.0 J E. 1.0 J D. Usp increases, K decreases E. Usp increases, K increases 2 6 8 -1 (s) Q32. What happens to the spring potential energy Usp of the spring and kinetic energy K of the block from 1.0 s to 2.0 s? 20