1.       Where is the output of the AIR pump directed when the engine is cold?   a. Exhaust manifold   b. Catalytic converter   c. Air cleaner assembly   d. To the atmosphere 2.       The switching valves on the AIR pump have failed several times. Technician A says that a defective exhaust check valve could be the cause. Technician B says that a restricted exhaust system could be the […]

Einstein’s mass–energy equation is E = mc2 , where mass is in kilograms and the speed of light is 3.00 * 108 m>s. The unit of energy is the joule (4.184 J = 1 cal; 1000 cal = 1 kcal; 1J = 1 kg # m2>s 2 ). a. Calculate the energy released, in calories and kilocalories, when 0.100 g of matter is converted to […]

A technician attaches one lead of a digital voltmeter to the ground terminal of the TP sensor and the other meter lead to the negative terminal of the battery. The ignition is switched to on, engine off and the meter displays 37.3 mV. Technician A says that this is the signal voltage and is a little low. Technician B says that the TP sensor ground […]

1. Write a balanced equation for (a) alpha decay of platinum-190, (b) beta decay of iodine-138, and (c) capture of an electron by osmium-185. 2. Complete the following equations.

What happens to consumer and producer surplus when the sale of a good is taxed? How does the change in consumer and producer surplus compare to the tax revenue? Explain. Draw a supply-and-demand diagram with a tax on the sale of the good. Show the deadweight loss. Show the tax revenue.

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Suppose that John is indifferent between consuming bundle A, which consists of 4 apples and 1 peach, and bundle B, which consists of 4 peaches and 1 apple. If John were given the choice between bundle A and bundle C, which contained 3 peaches and 2 apples, which should he pick? (Hint: Draw an indifference curve or two.) 5. The following table displays the total […]

A.Given two relations r(A, B, validtime) and s(B, C, validtime), where validtime denotes the valid time interval, write an SQL query to compute the temporal natural join of the two relations. You can use the && operator to check if two intervals overlap and the * operator to compute the intersection of two intervals. B. Provide information about the student named Shankar in our sample […]

A.Given a relation nyse(year, month, day, shares traded, dollar volume) with trading data from the New York Stock Exchange, list each trading day in order of number of shares traded, and show each day’s rank. B. Using the relation from Exercise 5.9, write an SQL query to generate a report showing the number of shares traded, number of trades, and total dollar volume broken down […]

A car-rental company maintains a database for all vehicles in its current fleet. For all vehicles, it includes the vehicle identification number, license number, manufacturer, model, date of purchase, and color. Special data are included for certain types of vehicles: • Trucks: cargo capacity. • Sports cars: horsepower, renter age requirement. • Vans: number of passengers. • Off-road vehicles: ground clearance, drivetrain (four- or two-wheel […]

Give an example of a negative externality and an example of a positive externality. Draw a supply-and-demand diagram to explain the effect of a negative externality that occurs as a result of a firm’s production process. In what way does the patent system help society solve an externality problem?

Vitamin C (ascorbic acid) is thought to protect our stomachs from the carcinogenic effect of nitrite ions (NO2 -) by converting the ions to nitric oxide (NO). Is the nitrite ion oxidized or reduced? Is ascorbic acid an oxidizing agent or a reducing agent?

Assignment 04 E02 Child Development Directions: Be sure to make an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar. Sources must be cited in APA format. Your response should be four (4) pages in length; refer to the “Assignment Format” page for specific […]

Jack and Annie are the only sellers of otters in a threestate area. The inverse market demand for otters is given by P = 100 – 0.5Q, where Q = the total quantity offered for sale in the marketplace. Specifically, Q = q1 + qA, where q1 is the amount of otters offered for sale by Jack and qA is the amount offered for sale […]

A. Describe a hypothetical ideal randomized controlled experiment to study the effect of six hours of reading on the improvement of the vocabulary of high school students. Suggest some impediments to implementing this experiment in practice. B. Describe a hypothetical ideal randomized controlled experiment to study the effect of the consumption of alcohol on long-term memory loss. Suggest some impediments to implementing this experiment in […]

An insect flies on a spiral trajectory such that its polar co-ordinates at time t are given by ?=2e3t and ?=3t What is its acceleration?

1.       The sensor that must be warmed and functioning before the engine management computer will go to closed loop is the _____.   a. O2S   b. ECT sensor   c. Engine MAP sensor   d. BARO sensor 2.       The voltage output of a zirconia oxygen sensor when the exhaust stream is lean (excess oxygen) is _____.   a. Relatively high (close to 1 volt)   b. About in the middle […]

1. How much does the exhaling of humans affect the carbon dioxide levels of the atmosphere? Think about the source of the carbon in the exhaled gas and how it was produced for human consumption. 2. How can global warming be alleviated?

1. Describe two ways in which the level of nitrogen oxide emissions from an automobile can be reduced. 2. Which of the following could be sources of VOCs? a. leftover oil-based paint b. a truckload of plastic milk jugs c. a cracked pipeline carrying crude oil from Alaska

A. Examine Figure 5.1 carefully to show that maximising total profits is not the same as maximising average profit per unit. Explain why this is the case. 2. ‘The key to growth – even survival – is to stake out a market position that is less vulnerable to attack from opponents, whether established or new, and less vulnerable to erosion from substitutes and other competitors.’ […]