Find the north and east component of the displacement for the hikers shown in the Figure.What is the acceleration of a rock thrown straight upward on the way up? At the top of its flight? On the way down?At the end of a race a runner decelerates from a velocity of 9 m/s at a rate of 0.400 m/s^2. (a) How far does she travel in the next 15 sec? (b) What is her final velocity