A rock is suspended from a scale reads 200 n a beaker of
A rock is suspended from a scale reads 20.0 N. A beaker of water ( having a density of 1000 kg/m^3) is raised up so the rock is totally submerged in the water. The scale now reads 12.5 N. What is the density of the rock?
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one kilogram of dry air at stp conditions is exposed to 100 r of x-rays one roentgen is defined by equation 321 in
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a rock is suspended from a scale reads 200 n a beaker of water having a density of 1000 kgm3 is raised up so the rock
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