Photos - 247131862_395052592323753_8071102042783792405_n.png X See all photos - Add to Edit & Create v Share . . . 9. (15 pts) A ladder 10 meters long is leaning against a vertical post. If the bottom of the ladder is pushed horizontally toward the post at the rate of 3 meters per second, a. how fast is the top of the ladder rising when the foot of the ladder is 4 meters from the post? b. when will the top and bottom of the ladder move at the same rate? c. when is the top of the ladder rising at the rate of 2 meters per second? (Hint: for b and c, "when" means the instant that the bottom of the ladder is "x" meters from the post.) 10. (15 pts) Water drains from a hemispherical basin of diameter 20 inches at the rate of 3 cubic inches per second. How fast is the water level falling when the depth of water is 5 inches? 60 3 1 ( ~ 0 0 0 0() ENG 12:24 pm Type here to search 22/10/2021