An object hangs from a spring balance. When submerged in water the object weighs one-half what it weighs in air. If, when submerged in an unknown liquid with density px, the object weighs three-fourths what it weighs in air, what is the density of the unknown liquid?
An object hangs from a spring balance. When submerged in water the object weighs one-half what it weighs in air. If, when submerged in an unknown liquid with density px, the object weighs three-fourths what it weighs in air, what is the density of the unknown liquid?
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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Transcribed Image Text:An object hangs from a spring balance.
When submerged in water the object
weighs one-half what it weighs in air. If,
when submerged in an unknown liquid
with density px, the object weighs
three-fourths what it weighs in air,
what is the density of the unknown
liquid?
none of these
1
5 Pwater
2
3 Pwater
3
Pwater
2ρωater
1
신Pwater
Expert Solution
Step 1
SOlution:
Given that
the object wighs one half in water what it weighs in air.
assume that weight in air W
weight in water W/2
and if immersed in another liquid it weigh 3W/4
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