12.83 A cubical block of density PB and with sides of length L floats in a liquid of greater density PL. (a) What fraction of the block's volume is above the surface of the liquid? (b) The liquid is denser than water (density pw) and does not mix with it. If water is poured on the surface of the liquid, how deep must the water layer be so that the water surface just rises to the top of the block? Express your answer in terms of L, PB, PL, and pw. (c) Find the depth of the water layer in part (b) if the liquid is mercury, the block is made of iron, and the side length is 10.0 cm. ●●●

12.83 A cubical block of density PB and with sides of length L floats in a liquid of greater density PL. (a) What fraction of the block's volume is above the surface of the liquid? (b) The liquid is denser than water (density pw) and does not mix with it. If water is poured on the surface of the liquid, how deep must the water layer be so that the water surface just rises to the top of the block? Express your answer in terms of L, PB, PL, and pw. (c) Find the depth of the water layer in part (b) if the liquid is mercury, the block is made of iron, and the side length is 10.0 cm. ●●●

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Description: 12.83 ... A cubical block of density PB and with sides of length Lfloats in a liquid of greater density PL. (a) What fraction of theblock's volume is above the surface of the liquid? (b) The liquid isdenser than water (density pw) and does not mix w

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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Concept explainers

Fluid Pressure

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.

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Question

12.83 ... A cubical block of density PB and with sides of length L
floats in a liquid of greater density PL. (a) What fraction of the
block's volume is above the surface of the liquid? (b) The liquid is
denser than water (density pw) and does not mix with it. If water
is poured on the surface of the liquid, how deep must the water
layer be so that the water surface just rises to the top of the block?
Express your answer in terms of L, PB, PL, and pw. (c) Find the
depth of the water layer in part (b) if the liquid is mercury, the
block is made of iron, and the side length is 10.0 cm.

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