Sand drops from a pipe at the rate 3 cubic ft./minute and forms a heap of one on the ground of vertical angle 90.Atwhat rate the height is increasing after 4 minutes.

Sand is pouring from a pipe at the rate of 12 cubic cm./sec. The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. At which rate is the height of the sand-cone increasing when the height is 4 cm. ?

Sand is pouring from a pipe at the rate of 1 2 cubic cm./sec. The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. At what rate is the height of the sand-cone increasing when the height is 3.5 cm. ?

Sand is pouring from a pipe at the rate of 12 cubic cm./sec. The falling sand forming a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. At which rate is the height of the sand-cone increasing when the height is 4.5 cm. ?

Sand is pouring from a pipe at the rate of 18 cm^(3)//s . The falling sand forms a cone on the ground in such a way that the height of the cone is one-sixth of the radius of the base. How fast is the height of the sand cone increasing when its height is 3 cm?

Sand is pouring from a pipe at the rate of 12 cm^(3)//s . The falling sand forms a cone on the ground in such a way that the height of the cone is always one - sixth of the radius of the base. How fast is the height of the sand cone increasing when the height is 4 cm ?

Sand is pouring from a pipe at the rate of 12cm^(3)//sec. The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. How fast is the height of the sand cone increasing when the height is 4 cm?

Sand is pouting from a pipe at the rate of 12cm^(3)//s . The falling sand forms a cone on the ground in such a way that the height of the cone is always one - sixth of the radius of the base. How fast is the height of the sand cone increasing when the height is 4 cm ?

Sand is pouring from a pipe at the rate of 12cm^(3)/s. The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base.How fast is the height of the sand cone increasing when the height is 4cm.

Sand is pouring from a pipe at the rate of 12cm^(3)/s .The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base.How fast is the height of the sand cone increasing when the height is 4cm?