78.A boat going from salt water (sp. gr. = 1.03) to fresh water (sp. gr. = 1.0) sinks 7.82 cm and after burning 72,730 kg of coal rises up by 15.24 cm. Find the original displacement of the boat in sea water in kN, BF, Sea water Fresh water A Figure (a) Figure (b) w-72,730

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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78.A boat going from salt water (sp. gr. = 1.03) to fresh water
(sp. gr. = 1.0) sinks 7.82 cm and after burning 72,730 kg of coal
rises up by 15.24 cm. Find the original displacement of the boat
%3D
in sea water in kN.
BF
BF
D+ 0.0762
Sea water
Fresh water
A
A
Figure (a)
Figure (b)
w-72,730
D+ 0.0762 – 0.1524
-D-0.0762
BF,
Fresh water
Transcribed Image Text:78.A boat going from salt water (sp. gr. = 1.03) to fresh water (sp. gr. = 1.0) sinks 7.82 cm and after burning 72,730 kg of coal rises up by 15.24 cm. Find the original displacement of the boat %3D in sea water in kN. BF BF D+ 0.0762 Sea water Fresh water A A Figure (a) Figure (b) w-72,730 D+ 0.0762 – 0.1524 -D-0.0762 BF, Fresh water
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