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(Buoyancy of a submerged body; compressibility of air)
A grade 4 science student inverts a cup full of air into a water tank. If it takes 1 lb of force to hold the cup down 3 inches below the surface, how much force does it take to hold the cup down at a depth of 5 feet?
Assume (1) the cup has negligible weight, (2) the temperature of the air is always the same as the surrounding water temperature.
Lap or fillet joint Lap joint is obtained by overlapping the plates and welding their edges. The fillet joints may be single transverse fillet, double transverse fillet or par
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Write an Machining route line and operating line of a technological procession #Minimum 100 words accepted#
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