The capital account on the United States' balance of payments includes all but which of the following transactions? a. Changes in ownership of foreign stocks. b. The sale of U.S. automobiles to German consumers. c. Foreign investors construct a factory on U.S. soil. d. The purchase of U.S. bonds by a foreign government. e. A U.S. firm buys property in a foreign country.
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The capital account on the United States' balance of payments includes all but which of the following transactions?
a. Changes in ownership of foreign stocks.
b. The sale of U.S. automobiles to German consumers.
c. Foreign investors construct a factory on U.S. soil.
d. The purchase of U.S. bonds by a foreign government.
e. A U.S. firm buys property in a foreign country.
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- It is not unusual for a 1000-kg car to get 30 mi/gal when traveling at 60 mi/h on a level road. A. If this car makes a 200-km trip, how many joules of energy does it consume?Note that 1.0 gal of gasoline yields 1.3 ×109 J (although this can vary)? B. What is the average rate of energy consumption during the trip?Meltdown: A certain metal has a melting point of 724 °C, and a heat of fusion (latent heat) of 77.7 J/g. The specific heat of the metal in its solid form is 0.359 J/g. K, its specific heat in its molten liquid form is 0.693 J/g K, and its density is 6.85 g/cm³. A 719 g sample of the metal is placed in a sealed, thermally insulated vessel with a heating element. If the sample is initially a solid at room temperature (20 ° C), how much heat is required melt the sample and bring it to a final temperature of 999 °C?10. How much thermal energy do you need to melt 1.0 gram of ice (an ice cube)? The latent heat of water is 334,000 J per kilogram. * A. 334 joules B. 334 kilojoules C. 3,340 kilojoules D. 33,400 kilojoules E. 334,000 kilojoules
- 7. Under which of the following conditions would you expect real gases to approach ideal behavior? A) low temperature and low pressure B) high temperature and low pressure C) low temperature and high pressure D) high temperature and high pressure E) high temperature and high density 8. Complete the following statement: The first law of thermodynamics states that A) heat is a form of energy. B) entropy is a function of state. C) the entropy of the universe is increasing. D) the change in the internal energy of a system is given by Q-W. E) no engine can be more efficient than a Carnot engine operating between the same two temperatures.A truck travels east with a momentum of 2,600 kg km/s, and a motorcycle heads west with a momentum of 1,500 kg km/s. The motorcycle hits the truck. If the two vehicles collide and then stick together, what is the momentum and direction of travel? The vehicles travel with a momentum of 4,100 kg km/s in the West direction. The vehicles travel with a momentum of 1,100 kg km/s in the East direction. The vehicles travel with a momentum of 2,600 kg km/s in the East direction. The vehicles travel with a momentum of 1,500 kg km/s in the West direction.Quantitative Analysis - Introducing Elasti For each of the following situations: a. Choose an initial and final state (states A and B) that will be appropriate (interesting) for analysis. b. If there is not already a physical diagram of the situation and there should be one for proper analysis, include one. c. Construct a system schema of the situation. Do not forget to include the system boundary for the system specified by the problem. Choose your system wisely. d. Construct an energy bar chart and system flow diagram (LOL plots) for each problem. e. You are allowed to add other energy storage modes. You do not have to use the energy storage modes that are printed in each LOL plot. f. Find the unknown value. 1. A toy car is pressed onto a small spring so that it compresses it 5 cm and is then released. The spring's stiffness constant is 400 N/m and the cart's mass is 250 g. How fast is the cart moving when it leaves the spring?
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- Match the equivalent quantities: 160.2 µC A. 1.602 x 10-4c 160.2 nC B. 2.56 m v k C. 25600 m v 256 cm D. 9 x 10° N-m2/c2 E. 1.602 x 10- c1. Which of the following statement is NOT true about Law of thermodynamics? a. Heat flows from an object with low temperature to an object with higher temperature b. An object with higher temperature will gain energies from an object with lower temperature when they are in direct contact. c. An object with lower temperature will lose its energies when in direct contact with an object with a higher temperature. d. Thermal equilibrium of two objects with different temperature will attain at some point.Match the conserved quantity with the symmetry of nature that is responsible. - A. B. C. Energy - A. B. C. Momentum - A. B. C. Angular momentum A. Rotation B. Space C. Time