You throw a javelin at a speed of 23 m/s at an angle of 40 above the horizontal a. How far does the javelin travel vertically? (2 points) b. You threw the javelin from an original height of 2 m, but you accidentally threw it off a cliff that drops an additional 20 m. How long does it take the javelin to reach the ground? (4 points) c. How far does the javelin travel horizontally from where you threw it? (4 points)