The volume of a cube is increasing at a constant rate of 77 cubic feet per second. At the instant when the volume of the cube is 88 cubic feet, what is the rate of change of the surface area of the cube? Round your answer to three decimal places (if necessary).

Find the intensity of light at a depth of 12 meter if I0=14 and k=0.7. Round to two decimals.

The resistance of a copper wire carrying an electrical current is directly proportional to its length and inversely proportional to its cross-sectional area. A copper wire with a diameter of 0.0126inch has a resistance of 64.9ohms per thousand feet. What length of 0.0201-inch-diameter copper wire will produce a resistance of 33.5ohms?

How much stock per stroke is removed by the wheel of a surface grinder if a depth of 4.725 millimeters is reached after 75 strokes? Round the answer to 3 decimal places.