Solve the all parts of following question given below:
Question: You throw a 12-N stone vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is traveling at 25.0 m/s upward. Use the work -energy theorem to find
Part A: Find the stone's speed just as it left the ground?
Part B: Find its maximum height?
I need help to determine find the stone's speed just as it left the ground.