Adiver is 30 metres/99 feet underwater. the water pressure at this depth would be times more than the pressure at the surface.

the pressure 30 meters underwater is about 4 times the pressure at the surface.

Explanation:

1) Pressure at the surface = Pressure of the atmosphere = 1 atm

Convert 1 atm to pascals.

1 atm = 101,325 Pa

2) Pressure 30 meters underwater = Pressure at the surface + pressure of the water

3) Pressure of the water = density of the water × g × deep

Pressure of 30 meters of water = 1000 kg/m³ × 9.81 m/s² × 30 m = 294,300 Pa

3) Pressure 30 meters underwater = 101,325 Pa + 294,300 Pa = 395,625 Pa

4) Ratio = 395,625 / 101,325 = 3,9

Therefore, the pressure 30 meters underwater is about 4 times the pressure at the surface level.

c. magnitude and direction