halid Ahmed: Attempt 1 A ball is thrown vertically downward from a window. Accelerating under gravity (9.8 m/s2), the ball hits the ground 2.6 s later with a speed of 20.0 m/s. From what height above the ground was it thrown? 39 m 19 m 85 m 29 m Question 8 (1 point) Over a period of 3.0 s a car's velocity changes from 18 m/s [W] to 12 m/s [W]. What is the value of the car's acceleration during this time? 10 m/s2 [W] 2 m / s 2 [ W] 2 m / s? [ E ] 10 m/s2 [E] Question 9 (1 point) IMG_0128JPG IMG_0127 JPG acer S O G