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Concept explainers
(a)
To calculate: The ventilation rate per child in a full classroom, if it is provided that
(b)
To calculate: The air space required per child, if it is provided that
(c)
To calculate: The minimum floor space in square feet when the ceiling height is
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Chapter 5 Solutions
Bundle: Trigonometry, 10th + Webassign Printed Access Card For Larson's Trigonometry, 10th Edition, Single-term
- The kinetic energy E of an object varies jointly with the object’s mass m and the square of the object’s velocity v . An object with a mass of 50 kilograms traveling at 16 meters per second has a kinetic energy of 6400 joules. What is the kinetic energy of an object with a mass of 70 kilograms traveling at 20 meters per second?arrow_forwardA driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 3:40 p.m. At this time, he started pumping gas into the tank. At exactly 3:44, the tank was full and he noticed that he had pumped 10.7 gallons. What is the average rate of flow of the gasoline into the gas tank?arrow_forwardThe resistance of a copper wire carrying an electrical current is directly proportional to its length and inversely proportional to its cross-sectional area. A copper wire with a diameter of 0.0126inch has a resistance of 64.9ohms per thousand feet. What length of 0.0201-inch-diameter copper wire will produce a resistance of 33.5ohms?arrow_forward
- Find the intensities of earthquakes whose magnitudes are (a) R=6.0 and (b) R=7.9.arrow_forwardCalculations (1 of 2) Calculate the energy available from a bean burrito with cheese (55 grams carbohydrates, 15 grams protein, and 12 grams fat). Determine the percentage of kcalories from each of the energy nutrients.arrow_forwardThe daily output of a coal mine after t hours of operation is approximately 40t + t2 - 115 t3 tons, 0 … t … 12. Find the maximum rate of output (in tons of coal per hour).arrow_forward
- a tank contains 50kg of salt and 1000 L of water. A solution of a concentration 0.025 kg of salt per liter enters a tank at the rate 9L/min. The solution is mixed and drains from the tank at the same rate. what is the concentration of our solution in the tank initially concentration = ? (kg/L) find the amount of salt in the tank after 3 hours. amount = ? kg c) Find the concentration of salt in the solution in the tank as time approaches infinity. concentration = ? (kg/L)arrow_forwardInstruction: Integratearrow_forwardUse the model goven to answer the question about the object or process being modeled.arrow_forward
- A bridge has been constructed between the mainland and an island. The total cost (excluding tolls) to travel across the bridge is expressed as C = 50 + 0.5V, where V is the number of veh/h and C is the cost/veh in cents. The demand for travel across the bridge is V = 2,000 − 10C. (a) Determine the volume of traffic across the bridge (in veh/h). veh/h (b) If a toll of 25 cents is added, what is the volume across the bridge (in veh/h)? veh/h What volume (in veh/h) would be expected with a 50 cent increase? veh/h (c) A tollbooth is to be added, thus reducing the travel time to cross the bridge. The new cost function is C = 50 + 0.2V. Determine the volume of traffic that would cross the bridge (in veh/h). veh/h (d) Determine the toll (in dollars) to yield the highest revenue for demand and supply function in part (a), and the associated demand (in veh/h) and revenue (in dollars/hour). toll$ Your response differs significantly from the correct answer. Rework…arrow_forwardI need help finding/rounding height to the nearest CM and same with weight in KG Thanks so much!!arrow_forwardCalculate relative permeability when the absolute permeability is 0.482 and effective permeability is0.028.arrow_forward
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
- Big Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin HarcourtAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
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