Pls give a thorough explanation with steps . THANK YOU

Question 2 (cssay wouldi 30 poms (04 03 HC) Sand is being poured into an open right circular cone container, as shown in the figure. The height of the container is 8 cm, and the diameter of the opening is 8 cm. Sand is being poured in so that its depth h is changing at a constant rate of 3 cm/min. 10 8 cm 8 cm (Note The volume of a cone of height h and radius r is given by V = - arzh.) Part A: Find the volume V of sand in the container when h = 4 cm. Indicate units of measure. (10 points) 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) X D + + 0 4 Source V C BIUSXX II : " :2 Styles - Format Font - Size - A - A- ? Question 1 (Not Answered) v 0