to review Examples 7 7 7 8 and 7 9 7 2 before attempting these problems Review Constants A lightweight vertical spring of force constant k has its lower end mounted on a table You compress the spring by a distance d place a block of mass m on top of the compressed spring and then release the block The spring launches the block upward and the block rises to a maximum height some distance above the now relaxed spring Find the speed of the block just as it loses contact with the spring Express your answer in terms of the variables m d and constants g k xa A O Xb 06 a x x X X IXI X 10n X med