Solve the all parts of following question:
Question: You throw a stone vertically upward with an initial speed of 5.8 m/s from a third-story office window.
Part A: if the window is 10 m above the ground, find the time the stone is in flight?
Part B: Find the speed of the stone just before it hits the ground?
I have been stuck on this question for a long time, please help. Show steps. Thanks!