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1. An air conditioner for a single room uses about 1,300 W when it is running. T
1. An air conditioner for a single room uses about 1,300 W when it is running. To keep a room at a reasonable temperature, it does not have to run all the time. (If it did, it mig…
1. An air conditioning company manufactures three home air conditioners: model A
1. An air conditioning company manufactures three home air conditioners: model A, model A+ and model A++. The profits per unit are $70, $100, and $145, respectively. The productio…
1. An air-core solenoid contains 1060 m1 turns of wire per meter and has a cross
1. An air-core solenoid contains 1060 m1 turns of wire per meter and has a cross-sectional area of 0.159 m2 . A current of 3.2 A is established in the solenoid and is then reduced…
1. An air-core solenoid contains 1060 m1 turns of wire per meter and has a cross
1. An air-core solenoid contains 1060 m1 turns of wire per meter and has a cross-sectional area of 0.159 m2 . A current of 3.2 A is established in the solenoid and is then reduced…
1. An aircraft weighing 902 N is accelerated at 11.8 m/s 2 for 5 seconds, at whi
1. An aircraft weighing 902 N is accelerated at 11.8 m/s2 for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant. What is the force required to la…
1. An aircraft weights 120,000 lbs., it has 35,000 lbs. of fuel added. What will
1. An aircraft weights 120,000 lbs., it has 35,000 lbs. of fuel added. What will be its takeoff weight? If there is 350 lbs. of excess weight what will be its new weight? Hint 1 k…
1. An airgap capacitor is charged to 10 V then disconnected. If a material is ad
1. An airgap capacitor is charged to 10 V then disconnected. If a material is added to the gap between the plates and the voltage drops to 3.33 V what is the dielectric constant o…
1. An airline is reconsidering their overbooking policies on transatlantic fligh
1. An airline is reconsidering their overbooking policies on transatlantic flights. The planes they fly have 175 seats, which they sell out every time. While tickets are nonrefund…
1. An airline wants to evaluate the depth perception of its pilots over the age
1. An airline wants to evaluate the depth perception of its pilots over the age of fifty. A random sample of n = 14 airline pilots over the age of fifty are asked to judge the dis…
1. An airline with monopoly power faces a demand with constant elasticity of -2.
1. An airline with monopoly power faces a demand with constant elasticity of -2.0. It has a constant marginal cost of $20 per unit and sets a price to maximize profit. If marginal…
1. An airline\'s public relations department says that the airline rarely loses
1. An airline's public relations department says that the airline rarely loses passengers' luggage. It further claims that on those occasions when luggage is lost, 90% is recovere…
1. An airplane is traveling 715 km/h in a direction 43.5° west of north. (a) Fin
1. An airplane is traveling 715 km/h in a direction 43.5° west of north. (a) Find the components of the velocity vector in the northerly and westerly directions. (b) How far north…
1. An airplane is traveling 835 km/h in a direction 41.5 west of north PART A Fi
1. An airplane is traveling 835 km/h in a direction 41.5 west of north PART A Find the components of the velocity vector in the northerly and westerly directions. Enter your answe…
1. An airplane with a speed of 92.9 m/s is climbing upward at an angle of 60.4 °
1. An airplane with a speed of 92.9 m/s is climbing upward at an angle of 60.4 ° with respect to the horizontal. When the plane's altitude is 986 m, the pilot releases a package. …
1. An airtight box, having a lid of area 120 cm 2 , is partially evacuated. Atmo
1. An airtight box, having a lid of area 120 cm2, is partially evacuated. Atmospheric pressure is 1.01 x 105 Pa. A force of 120 lb is required to pull the lid off the box. What wa…
1. An alarm circuit is needed to indicate that either the temperature or the pre
1. An alarm circuit is needed to indicate that either the temperature or the pressure in a batch process is too high. If either of the conditions is true, a microswitch closes to …
1. An alarm circuit is needed to indicate that either the temperature or the pre
1. An alarm circuit is needed to indicate that either the temperature or the pressure in a batch process is too high. If either of the conditions is true, a microswitch closes to …
1. An algorithm coded in Python usually runs slightly faster than the same algor
1. An algorithm coded in Python usually runs slightly faster than the same algorithm coded in C. A. True B. False 2. When analyzing an algorithm, one must be careful to determine …
1. An alien spacecraft in an elliptical orbit around earth could possess which o
1. An alien spacecraft in an elliptical orbit around earth could possess which of the following properties? a. Positive total energy relative to earth b. an orbital eccentricity o…
1. An all-equity-financed firm plans to grow at an annual rate of at least 28%.
1. An all-equity-financed firm plans to grow at an annual rate of at least 28%. Its return on equity is 43%. What is the maximum possible dividend payout rate the firm can maintai…
1. An alpha particle (q = +3.20×10 19 C) moves at a velocity of 2.45×10 4 m/s in
1. An alpha particle (q = +3.20×1019C) moves at a velocity of 2.45×104m/s in the positive x direction through a magnetic field of 0.0775 T that points in the negative z direction.…
1. An alpha particle (the nucleus of a helium atom formed by 2 protons and 2 neu
1. An alpha particle (the nucleus of a helium atom formed by 2 protons and 2 neutrons with charge q = +2(1.6 x 10-19 C ) is moving perpendicular to a magnetic field of 0.710 tesla…
1. An alternative energy researcher specializing in deriving oil from algae is c
1. An alternative energy researcher specializing in deriving oil from algae is constructing a building in Florida to take advantage of the higher levels of sunlight, temperatures,…
1. An alum is a double salt consisting of a monovalent cation, a trivalent catio
1. An alum is a double salt consisting of a monovalent cation, a trivalent cation, and two sulfate ions with 12 waters of hydration (waters of crystallization) as part of the crys…
1. An aluminum cube of mass 4425 g, at 22.3°C. is immersed in a Styrofoam cup fi
1. An aluminum cube of mass 4425 g, at 22.3°C. is immersed in a Styrofoam cup filled with LN2 at -195.8° C. After 120 seconds (sec), 34.50 g of LN2 evaporates due to heat transfer…
1. An aluminum rod (1) (E=80 GPa, ? =24.5 x 10 -6 / o C) and a brass rod (2) (E=
1. An aluminum rod (1) (E=80 GPa, ?=24.5 x 10-6/oC) and a brass rod (2) (E=115 GPa, ?=22.0 x 10-6/oC) are connected to rigid supports as shown. The cross-sectional areas of r…
1. An aluminum rod is 18.5 cm long at 20°C and has a mass of 350 g. If 11,500 J
1. An aluminum rod is 18.5 cm long at 20°C and has a mass of 350 g. If 11,500 J of energy is added to the rod by heat, what is the change in length of the rod? 2. Lead pellets, ea…
1. An amusement park ride consists of a car moving in avertical circle on the en
1. An amusement park ride consists of a car moving in avertical circle on the end of a rigid boom of negligible mass. Thecombined weight of the car and riders is 4.7 kN, and the c…
1. An amusement park studied methods for decreasing the waiting time (minutes) f
1. An amusement park studied methods for decreasing the waiting time (minutes) for rides by loading and unloading riders more efficiently. Two alternative loading/ unloading …
1. An amusement park studied methods for decreasing the waiting time (minutes) f
1. An amusement park studied methods for decreasing the waiting time (minutes) for rides by loading and unloading riders more efficiently. Two alternative loading/ unloading …
1. An analog voltage is in the range of 0-5V. If it can be measured with an accu
1. An analog voltage is in the range of 0-5V. If it can be measured with an accuracy of + -50mv, at most how many bits of information is conveyed? 2. The babylonians developed the…
1. An analysis of unemployment rates in Sweden can be described as an applicatio
1. An analysis of unemployment rates in Sweden can be described as an application of: A- Macroeconomics B- unemployment C-Microeconomics D-Inflation 2.A market economy includes wh…
1. An analyst wishes to test the impact of a new patient schedule system on numb
1. An analyst wishes to test the impact of a new patient schedule system on number of MRI tests performed per day. What statistical test should be used? Question options: A. Paire…
1. An analyst wishes to test the impact of a new patient schedule system on numb
1. An analyst wishes to test the impact of a new patient schedule system on number of MRI tests performed per day. What statistical test should be used? Question options: A. Paire…
1. An analytical procedure has a 95% confidence interval of ±0.06%. If a 90% con
1. An analytical procedure has a 95% confidence interval of ±0.06%. If a 90% confidence limit of ±0.06% is required by a regulatory agency, could this procedure still be used? 2. …
1. An anonymous function __________. (Points : 6) has no identifier after the ke
1. An anonymous function __________. (Points : 6) has no identifier after the keyword function is registered as an event handler at the same time it is created neither a nor b bot…
1. An ant is riding in a car while sitting on a rotating compact disc. The car i
1. An ant is riding in a car while sitting on a rotating compact disc. The car is moving at a steady velocity of 30 m/s in the x-direction and the compact disc is 10 cm in diamete…
1. An ant is riding in a car while sitting on a rotating compact disc. The car i
1. An ant is riding in a car while sitting on a rotating compact disc. The car is moving at a steady velocity of 30 m/s in the x-direction and the compact disc is 10 cm in diamete…
1. An ant, crazed by the sun on a hot Texas afternoon, darts over an xy plane sc
1. An ant, crazed by the sun on a hot Texas afternoon, darts over an xy plane scratched in the dirt. The x and y components of four consecutive darts are the following, all in cen…
1. An antigen is A. a molecule that can elicit an immune response. B. a nucleic
1. An antigen is A. a molecule that can elicit an immune response. B. a nucleic acid only. C. a protein or nucleic acid. D. a protective protein that the immune system produces. 2…
1. An antigen is A. a molecule that can elicit an immune response. B. a nucleic
1. An antigen is A. a molecule that can elicit an immune response. B. a nucleic acid only. C. a protein or nucleic acid. D. a protective protein that the immune system produces. 2…
1. An apparatus is designed to study insects at an acceleration of magnitude 144
1. An apparatus is designed to study insects at an acceleration of magnitude 144g (here g does not mean "gram", but rather g=9.8 m/s2). The apparatus consists of a 5.0 m rod with …
1. An appliance retailer purchased a small vacuum cleaner for $89.99. He plans t
1. An appliance retailer purchased a small vacuum cleaner for $89.99. He plans to take a 33% markup. What will the selling price be? (Value 5 pts) 2. If a retailer sells a coat fo…
1. An aqueous KNO3 solution is made using 72.5 g of KNO3 diluted to a total solu
1. An aqueous KNO3 solution is made using 72.5 g of KNO3 diluted to a total solution volume of 2.00 L. Assume a density of 1.05 g/mL for the solution. a. Calculate the molarity of…
1. An aqueous KNO3 solution is made using 72.5 g of KNO3 diluted to a total solu
1. An aqueous KNO3 solution is made using 72.5 g of KNO3 diluted to a total solution volume of 2.00 L. Assume a density of 1.05 g/mL for the solution. a. Calculate the molarity of…
1. An aqueous solution containing 35.0% by mass of an unknown covalent compund i
1. An aqueous solution containing 35.0% by mass of an unknown covalent compund in water was found to have a freezing point of -3.5 deg C. Calculate the molar mass of the unknown c…
1. An aqueous solution contains 0.150 M HCl at 25.0 °C. The pH of the solution i
1. An aqueous solution contains 0.150 M HCl at 25.0 °C. The pH of the solution is ________. 2. Which solution has the higher pH, a 0.001 M solution of NaOH or a 0.001 M solution …
1. An aqueous solution contains 0.26 M ammonium perchlorate . One liter of this
1. An aqueous solution contains 0.26 M ammonium perchlorate. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains consta…
1. An aqueous solution contains 0.28 M hypochlorous acid . One Liter of this sol
1. An aqueous solution contains 0.28 M hypochlorous acid. One Liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant …
1. An aqueous solution contains 0.34 M sodium cyanide . One liter of this soluti
1. An aqueous solution contains 0.34 M sodium cyanide. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as …