Question:

Sand is being poured into an open right circular cong container, as shown in the Squire. The height of the container is 8 om, and the diameter of the opening is 8 om Sand is being poured in so that tha depth h is changing at a constant rate of . commin 10 8 cm B cm (Note: The veline of a cone of height h and radius ris given by v = =men) Part A: Find the volume V of sand In the container when h = 4 cm Indicate units of measure. (10 potts) Part B: Find the rate of change of the volume of sand in the container, with respect to time, when h = 4 cm Indicate units of measure. (20 points)