FIGURE EX10.28 shows the potential energy of a 500 g particle as it moves along the x-axis. Suppose the particle??s mechanical energy is 12 J.

a. Where are the particle??s turning points?b. What is the particle??s speed when it is at x = 4.0 m?c. What is the particle??s maximum speed? At what position or positions does this occur?d. Suppose the particle??s energy is lowered to 4.0 J. Can the particle ever be at x = 2.0 m? At x = 4.0 m?

Transcribed Image Text:

U (J) 16- 12 - 8- 4- 0+ x (m) FIGURE EX10.28 4 2.