A) A body was hanged by a spring scale. If the scale reading is 30 N in the air, 20 N when immersed in water and 24 N when immersed in another liquid its density is unknown, calculate the density of unknown liquid?

University Physics Volume 1
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Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 44P: A straightforward method of finding the density of an object is to measure its mass and then measure...
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A) A body was hanged by a spring scale. If the scale reading is 30 N in
the air, 20 N when immersed in water and 24 N when immersed in
another liquid its density is unknown, calculate the density of unknown
liquid?
B) Two blocks of masses m and 2m are held in equilibrium on a
frictionless incline as in figure (2). In terms of m and 0, find
1) the magnitude of the tension Ti in the upper cord and
2) the magnitude of the tension T2 in the lower cord connecting the two
blocks.
T2
2m
Transcribed Image Text:A) A body was hanged by a spring scale. If the scale reading is 30 N in the air, 20 N when immersed in water and 24 N when immersed in another liquid its density is unknown, calculate the density of unknown liquid? B) Two blocks of masses m and 2m are held in equilibrium on a frictionless incline as in figure (2). In terms of m and 0, find 1) the magnitude of the tension Ti in the upper cord and 2) the magnitude of the tension T2 in the lower cord connecting the two blocks. T2 2m
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