A vertical spring with a spring constant of 1575 m/N is compressed 0.25 m. A 250 g ball is placed on top of the spring. a. How much work was done to compress the spring? [49J]
b. What is the maximum height the ball can attain from the level of the uncompressed
spring? [20. m]
c. What is the maximum speed of the ball? [20. sm]

Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?