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Astronauts visiting a new planet find a lake filled with an unknown liquid. They have with...

Astronauts visiting a new planet find a lake filled with an unknown liquid. They have with them a plastic cube, 4.0 cm on each side, with a density of 840 kg/m^3. First they weigh the cube with a spring scale, measuring a weight of 19 N. Then they float the cube in the lake and find that two-thirds of the cube is submerged.

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Solution mas of lube= (0.041² (840) = 0.05376 kg 19 g = 353.42 mise I DIOS 396 As the clube as 2/ hd submerged (0.04)3(383,42

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