Compute all parts of given question:
Question: You throw a stone vertically upward with an initial speed of 5.9m/s from a third-story office window.
Part I: If the window is 11m above the ground, find the time the stone is in flight.
(Seconds)
Part II: Find the speed of the stone just before it hits the ground.
(m/s)
Include work and exact answer please! Thank you!