The surface water temperature on a large, deep lake is 3°C. A sensitivetemperature probe is lowered several meters into the lake. What temperature willthe probe read?3.a) A temperature warmer than 3°C.b) A temperature less than 3°C.c) A temperature equal to 3°C.d) None of the above.4.The kinetic theory of gases predicts that, at a given temperature,a) All of the molecules in a gas have the same average speed.b) All of the molecules in a gas have the same average energy.c) Light gas molecules have lower average energies than heavy gasmolecules.d) Light gas molecules have higher average energies than heavy gasmolecules.5. According to the first law of thermodynamics, if the gas compressed adiabaticallyits temperature will:a) Increase.b) Decrease.c) Not change.d) None of the above.6.The boundary work W, for an isochoric process is:a) Positive.b) Negative.c) Zero.d) None of the above.7.What is thermal efficiency of heat engine?a) Thermal efficiency is the ratio of work input to the heat input.b) Thermal efficiency is the ratio of work output to the heat input.c) Thermal efficiency is the ratio of work input to the heat output.d) Thermal efficiency is the ratio of work output to the heat output.8.If two metals have the same length and they are heated to the same amount oftemperature. Which metal will expand more?a) The one with higher average coefficient of volume expansion.b) The one with smaller average coefficient of volume expansion.c) The one with higher average coefficient of linear expansion.d) The one with smaller average coefficient of linear expansion.9.In T-s diagram of a Carnot cycle thermal efficiency of the cycle represents by:a) The ratio between area under the heat addition process and net heat transfer.b) The ratio between total heat supplied during the cycle and the area underthe heat rejection process.c) The ratio of the area enclosed by the difference between total heat suppliedduring the cycle and the total heat rejected to the area under the heat-addition process curve.d) The ratio between cyclic curve to the area under the heat rejection process.

Such type of questions can be solved by applying the conditions of the gas laws which can be…

3. The surface water temperature on a large, deep lake is 3°C. A sensitive temperature probe is lowered several meters into the lake. What temperature will the probe read? a) A temperature warmer than 3°C. b) A temperature less than 3°C. c) A temperature equal to 3°C. d) None of the above.

3. The surface water temperature on a large, deep lake is 3°C. A sensitive temperature probe is lowered several meters into the lake. What temperature will the probe read? a) A temperature warmer than 3°C. b) A temperature less than 3°C. c) A temperature equal to 3°C. d) None of the above.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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14. A granite ball of radius 2.00 m and emissivity 0.45 is heated to 135°C. a. Convert the given temperature to Kelvin. b. What is the surface area of the ball? c. If the ambient temperature is 25°C, what net power does the ball radiate? [408 K, 50.27 m², 2.54 x10° W] 15 The Glament of a 75 W light hulh ie at a tomporature oE 2200 K Accuming the Glament has an
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1. An expensive vacuum system can achieve a pressure as low as 1.83 ✕ 10−7 N/m2 at 26°C. How many atoms are there in a cubic centimeter at this pressure and temperature? 2. The number of kilocalories in food is determined by calorimetry techniques in which the food is burned and the amount of heat transfer is measured. How many kilocalories per gram are there in a 4.80 g peanut if the energy from burning it is transferred to 0.600 kg of water held in a 0.130 kg aluminum cup, causing a 44.0°C temperature increase?
2. A bowl of water has a temperature of 50°C. It is put into a refrigerator where the temperature is 5°C. After 0.5 hours, the water is stirred and its temperature is measured to be 20°C. It is then left to cool further, take t in Newton's law of cooling to be measured in minutes. Use Newton's law of cooling to predict when the temperature will be 50°C.
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3.Newton’s law of cooling states that the temperature of an object changes at a rate proportional to the difference between its temperature and that of its surroundings. Suppose that the temperature of a cup of coffee obeys Newton’s law of cooling. If the coffee has a temperature of 200◦F when freshly poured, and 1 min later has cooled to 190◦Fin a room at Tm◦F, determine when the coffee reaches a temperature of 150◦F. Use Tm= 80
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