1. A test tube standing vertically in a test tube rack contains 2.5 cm of oil (ρ =0.81 g/cm3) and 6.5 cm of water. What is the gauge and absolute pressure on the bottom of the test tube? 2. A 10kg block of Aluminum (ρ = 2700kg/m3) is attached to a rope. a. What is the tension force in the rope if the block is in a vacuum? b. What is the tension force if the block is in air (ρ = 1.29kg/m3)? c. What is the tension force if the block is in water (ρ=1,000 kg/m3)?

1. A test tube standing vertically in a test tube rack contains 2.5 cm of oil (ρ =0.81 g/cm3) and 6.5 cm of water. What is the gauge and absolute pressure on the bottom of the test tube? 2. A 10kg block of Aluminum (ρ = 2700kg/m3) is attached to a rope. a. What is the tension force in the rope if the block is in a vacuum? b. What is the tension force if the block is in air (ρ = 1.29kg/m3)? c. What is the tension force if the block is in water (ρ=1,000 kg/m3)?

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B
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