Question

The pressure, p, of water (in pounds per square foot) at a depth of d feet below the surface is given by the formula p=15+15/33d. If a diver is 100 feet below surface, what is the pressure of the water on the diver?
a.15.0 pounds per square feet
b.38.63 pounds per square feet
c.1545.45 pounds per square feet
d.60.45 pounds per square feet

Answer 1

The pressure of the water on the diver is given in an expression written as:

p=15+15/33d

where p is the pressure and d is the distance of the diver below the surface.

The pressure is calculated as follows:

p=15+15/33(100) = 15.00  pounds per square feet

Therefore, the correct answer is option A.

Answer 2

Answer:

CCCCCCCCCCC

Explanation:

The rate of change for the diver is

8.6 − 4.3

20 − 10

= 0.43. Therefore, the rate of change for the submarine is 4(0.43) = 1.72 and p = 1.72d