1. When a 1.0 m' block is placed in water, only 1/3 of the block stays above the surface. What is the weight of the block?
1. When a 1.0 m' block is placed in water, only 1/3 of the block stays above the surface. What is the weight of the block?
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Transcribed Image Text:1. When a 1.0 m' block is placed in water, only 1/3 of the
block stays above the surface. What is the weight of the
block?
2. A 5.0 kg copper cylinder is suspended from a spring scale
and submerged in water. What is the reading on the spring
scale?
3. An 85.0 kg treasure chest is found at the bottom of the sea.
If it has a volume of
2.0 x 10² m',
how much force is needed to lift it?
4. A mechanics shop has a 16,500 N car sitting on a large car
lift of 125 cm piston. How much force in needed to be
applied to the small piston of area 4.51 cm' to lift it?
5. An ice cube of volume 15.0 cm' and density 917 kg/m’ is
placed in ethyl alcohol of density 811 kg/m². What is the
buoyant force on the ice? Will it float?
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