A) The submersible that is missing near the wreck of the Titanic has one viewing port (window) that is circular with a diameter of 21 inches. Determine the force on this window at the depth of the Titanic wreck which is at 12, 500 feet. B) Determine the force on the window shown in the following illustration: Where I (the chord length) is given by 2(R2 − d2)1/2