quiz4-1 - Quiz 4 DL Sec Grading: Last 6 digits of student...

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Unformatted text preview: Quiz 4 DL Sec Grading: Last 6 digits of student ID: Name: First three letters of your family name 1. Love-tester A toy love-tester is shown in the figure to the right. When you place your hand around the bottle the oil inside rises up the straw which is open to the air. The air in the bottle is trapped; it cannot go through the oil and has no way of making it out. The hotter your hand, the higher the level of the liquid rises. A few useful facts:- The oil does not expand as it is heated; it remains the same volume.- Absolute zero is- 273 C.- The density of the oil is 600 kg m- 3 .- 1 atmosphere is 1 . 01 10 5 Pa.- The volume of the air in the container when shown is 300 ml (3 10- 4 m 3 ) 1 atmosphere Closed off open to air 20 C A (a) The room temperature is 20 C, and the oil inside is level as shown. What is the pressure in the region labelled A ? (b) A person with a skin temperature of 35 C grabs the bottle. The air and oil inside the bottle quickly come intoC grabs the bottle....
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quiz4-1 - Quiz 4 DL Sec Grading: Last 6 digits of student...

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