A beach ball is made of thin plastic. It has been inflated with air, but theplastic is not stretched. By swimming with fins on, you manage to takethe ball from the surface of a pool to the bottom. Once the ball iscompletely submerged, what happens to the buoyant force exerted onthe beach ball as you take it deeper? (a) It increases. (b) It remainsconstant. (c) It decreases. (d) It is impossible to determine.

When an object is immersed in a fluid, the fluid exerts buoyant force on it. The law of buoyancy…

Answered: A beach ball is made of thin plastic.…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Bird bones have air pockets in them to reduce their weight. This also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone in air and in water and finds its mass is 46.0 g and its apparent mass when submerged is 3.60 g (the bone is watertight). What mass of water is displaced? mass of water displaced: kg What is the volume of the bone? volume of the bone: m3 What is its average density? average density of the bone: kg/m³ about us privacy policy terms of use contact us help careers
The bottom of a rectangular swimming pool is 15 m × 25 m. If the atmospheric pressure above the swimming pool changes from 738 to 768 mm of mercury, determine the amount by which the force on the bottom of the pool increases? (Assume the density of mercury is 13.6 ✕ 103 kg/m3.)
Bird bones have air pockets in them to reduce their weight. This also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone in air and in water and finds its mass is 43.0 g and its apparent mass when submerged is 3.60 g (the bone is watertight). What mass of water is displaced?
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In a tornado or hurricane, a roof may tear away from the house because of a difference in pressure between the air inside and the air outside. Suppose that air is blowing across the top of a 1910 ft² roof at 172 mi/h. What is the magnitude of the force on the roof? (The density of air is 1.29 kg/m³)
A block of wood with dimensions 60.0 cm × 40.0 cm × 8.0 cm floats on water with 75% of its volume below the surface of the water. While floating on water, how much mass can be placed on top of the block before it is completely submerged? The density of water is 1000 kg·m−3
During a very severe storm, wind blows past a window surface (parallel to the window surface) at speed 15 m/s. Assuming the air inside the window is still, find the pressure difference between the air inside and outside the window. Is the pressure higher inside or outside the window? Assume the density of air is 1.2 kg/m3.
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