the volume of oil in an inverted conical basin is increasing at a rate of 3 cubic inches per second. the height of the cone is 20 inches and its radius is 2 inches. at what rate is the height of the oil changing when the oil is 15 inches high

The kinetic energy E of an object varies jointly with the object’s mass m and the square of the object’s velocity v . An object with a mass of 50 kilograms traveling at 16 meters per second has a kinetic energy of 6400 joules. What is the kinetic energy of an object with a mass of 70 kilograms traveling at 20 meters per second?

A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft from one end of the barn, what is the area of the pasture that the goat is able to graze?

A shaft is turned at 200 per minute with a tool feed of 132inch per revolution. How many minutes it take to cut a distance of 50 inches along the shaft?

A cylindrical container has a volume of 84 cubic inches and a radius of 3 inches. Find the height of the container.