Aresearch submarine has a 30-cm-diameter window that is 8.6 cm thick. the manufacturer says the window can withstand forces up to 1.2×106 n .

what is the submarine's maximum safe depth in sea water? the pressure inside the submarine is maintained at 1.0 atm.
express your answer using two significant figures.

First solve the area of the ow the window os the submarine

A = pi* (0.15)^2= 0.0707 m2

The pressure it can with stand is

P= F/A = 1.2x10^6 N/ 0.0707 m2 = 16976527.26 Pa

Using the formala

P = pgh

Where p is the density of water

G is the accelartion due to gravity

H is the depth

H = P/pg

=16976527.26 Pa/ (1000 kg/m3)(9.81 m/s2)

H = 1730.53 m

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.

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