![]() Pressure is the force on a body's surface area. And then we're going to immediately right down on anti derivative.At sea level 15 pound presses on the one inch square and one kilogram presses on the one centimeter square. So how do we do that? Well, we will, and Constance, because they're just annoying. Um, but what we're actually interested in is so it would give you analogous and analogous Lee, if you the distance to one side off this black line between eat both sides. So that means that the four over here, um, minus y squared see why so too is because this formula just gives you this distance. So we don't have rate is one way of radius too. This the length of this line is two times square root. Minds squared if Israelis one So nothing that forward up the with at a certain depth. So if you have to craft a semi circle in a normal X Y coordinate system, you would have y equals square root of one. ![]() So, um, you might know that if you have a semi circle, so let's just do that over here quickly. And the length at a certain radius Why more interesting. So you're too on a pressure at why we'll pluck that one in that It's just why W. No, we have a radius two semi circular tank. LF y actually 1/3 thing, we figure out science integration. Why So another stew thinking you figure out we need to think. Why? And we know this court system h equals. You can see the answer to question seven. So we again used the coordinate system where by equals h so I'll draw it on. So again the central formula is f is the integral off pressure at the certain that length of Second Dept. And we go to the radius off this semi circle and students up this distance up here ISS for foot's, um, and that we're us to compute the force on the side of this aquarium thing. ![]() We are given a semi circular ah side of an aquarium or something like that, filled with water at its back.
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