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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman
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You are preparing some apparatus for a visit to a newly

Chapter 12, Problem 28E

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QUESTION:

You are preparing some apparatus for a visit to a newly discovered planet Caasi having oceans of glycerine and a surface acceleration due to gravity of 4.15 m/s2. If your apparatus floats in the oceans on earth with 25.0% of its volume submerged, what percentage will be submerged in the glycerine oceans of Caasi?

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QUESTION:

You are preparing some apparatus for a visit to a newly discovered planet Caasi having oceans of glycerine and a surface acceleration due to gravity of 4.15 m/s2. If your apparatus floats in the oceans on earth with 25.0% of its volume submerged, what percentage will be submerged in the glycerine oceans of Caasi?

ANSWER:

Solution 28E Step 1: Acceleration due to gravity on earth, g = 9.8 m/s 2 Density of ocean water, d ocean 1029 kg/m 3 Equation for density of a substance, d = M/V Where, M - Mass of the substance V - Volume of the substance Therefore, Mass of the apparatus, M = Volume × d oceann earth Provided, only 25% of its volume is submerged. Then volume = 0.25 V 3 Therefore, mass, M = 1029 kg/m × 0.25 V - ------------------- (1)

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