The figure shows an 82 kg stone at rest on a spring. The spring is compressed 11 cm by the stone, (a) What is the spring constant? () The stone is pushed down an additional 29 cm and released What Is the elastic potential energy of the compressed spring just before that release? (] What is the change in the gravitational potential energy of the stone- Earth system when the stone moves from the release point to its maximum height? (4) What is that maximum height measured from the release point? (a] Number Units (b] Number Units () Number (d) Number Units Question 14 of 15 -/67 5 View Policies Current Attempt in Progress A 2090 kg truck traveling north at 30 kovh turns east and accelerates to 59 km/h (a] What is the change in the truck's kinetic energy! (b) What is the magnitude of the change in its momentum? (a) Number (bj Number Units