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1) A simple random sample of 100 observations was taken from a large population.
1) A simple random sample of 100 observations was taken from a large population. The sample mean and the standard deviation were determined to be 80 and 12 respectively. Using Exc…
1) A simulation model of a precision manufacturing plant was developed to invest
1) A simulation model of a precision manufacturing plant was developed to investigate different scheduling rules. To validate the model, the regular weekly schedule was incorporat…
1) A sine wave traveling on a string is described by the following equation:y=As
1) A sine wave traveling on a string is described by the following equation:y=Asin(bx+ct+d) where A is 1.66 cm, b is 0.58 rad/cm, c is 0.69 rad/s, andd is 1.32 rad. (a) What is th…
1) A single circular loop of wire of radius 0.75m carries a constant current of
1) A single circular loop of wire of radius 0.75m carries a constant current of 3.0A. The loop may be rotated about an axis that passes through the center and lies in the plane of…
1) A single slit forms a diffractionpattern, with the first minimum at an angle
1) A single slit forms a diffractionpattern, with the first minimum at an angle of 40° fromcentral maximum. Monochromatic light of450-nmwavelength is used. The same slit, illumina…
1) A single weasel is kept in a large wooded enclosure, where it has access to a
1) A single weasel is kept in a large wooded enclosure, where it has access to a variety of naturally available prey. (Weasels are generalist predators.) Each week, a different nu…
1) A single-?molecule microscopy experiment is performed on a slide containing
1) A single-?molecule microscopy experiment is performed on a slide containing 1000 molecules each of green, red, cyan, and yellow fluorescent proteins (GFP, RFP, CFP, and YFP, r…
1) A sinusoidal electromagnetic wave from a radio station passes perpendicularly
1) A sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window that has area of 0.450 m2 . At the window, the electric field of the wave h…
1) A ski resort wishes to evaluate two alternative machines for ski and board tu
1) A ski resort wishes to evaluate two alternative machines for ski and board tuning. Select the best alternative using the AW method at 9% per year Machine R Machine S First cost…
1) A sky diver with an open parachute approches theground with constant velocity
1) A sky diver with an open parachute approches theground with constant velocity. There is no wind to blow him fromside to side. Which statement is correct? a) The skydiver is not…
1) A slide projector has a converging lens whose focal length is 104.00 mm. (a)
1) A slide projector has a converging lens whose focal length is 104.00 mm. (a) How far (in meters) from the lens must the screen be located if a slide is placed 105.61 mm from th…
1) A slide projector has a converging lens whose focal length is 104.00 mm. (a)
1) A slide projector has a converging lens whose focal length is 104.00 mm. (a) How far (in meters) from the lens must the screen be located if a slide is placed 105.61 mm from th…
1) A small ball is attached to one end of a spring that has an unstrained length
1) A small ball is attached to one end of a spring that has an unstrained length of 0.204 m. The spring is held by the other end, and the ball is whirled around in a horizontal ci…
1) A small, 300 g cart is moving at 1.10 m/s on an air track when it collides wi
1) A small, 300 g cart is moving at 1.10 m/s on an air track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.820 m/s. Part A…
1) A smoke detector uses two devices A and B. If smoke is present the probabilit
1) A smoke detector uses two devices A and B. If smoke is present the probability that it will be detected by device A is 0.95, the probability it will be detected by device B is …
1) A society can produce two good: peanut butter and jam. the society\'s product
1) A society can produce two good: peanut butter and jam. the society's production possibility frontier is negatively sloped and "bowed outward" from the orgin. As this society …
1) A sociologist defines society as a group of people who reside in a defined ar
1) A sociologist defines society as a group of people who reside in a defined area, share a culture, and who: a. interact b. work in the same industry c. speak different languages…
1) A software producer has fixed costs of $20,000 per month and her Total Variab
1) A software producer has fixed costs of $20,000 per month and her Total Variable Costs (TVC) as a function of output Q are given below: Q TVC Price 2,000 $5,000 $20 4,000 7,000 …
1) A soil sample of 2.0134g was extracted, transferred to a 100.00ml volumetric
1) A soil sample of 2.0134g was extracted, transferred to a 100.00ml volumetric flask. A 10.00mL aliquot was titrated with EDTA of molarity 0.002052M and the volume of EDTANa2 was…
1) A solenoid with 1200 turns per meter has a diameter of 7.00 cm. A current I =
1) A solenoid with 1200 turns per meter has a diameter of 7.00 cm. A current I = 2.51 A flows in the counterclockwise direction (when viewed from location P) in the solenoid. A re…
1) A solid object can be deformed in threee fundamental ways. Consider a block o
1) A solid object can be deformed in threee fundamental ways. Consider a block of steel that has sunk to the bottom of a lake. The deformation of the block due to water pressure i…
1) A solid sphere of mass 0.595 kg rolls without slipping along a horizontal sur
1) A solid sphere of mass 0.595 kg rolls without slipping along a horizontal surface with a translational speed of 5.49 m/s. It comes to an incline that makes an angle of 39° with…
1) A solution containing more than the equilibrium amount is called ________. 2)
1) A solution containing more than the equilibrium amount is called ________. 2) Which of the following statements is generally TRUE? A) The solubility of a solid is not de…
1) A solution contains 27.79 grams of NaCl in .909 kg water at 25 degrees celciu
1) A solution contains 27.79 grams of NaCl in .909 kg water at 25 degrees celcius. What is the vapor pressure of the solution? (The molar mass of NaCl is 58.44 g/mol. The molar ma…
1) A solution contains 5.27×10-3 M chromium(III) acetate and 5.78×10-3 M zinc ni
1) A solution contains 5.27×10-3 M chromium(III) acetate and 5.78×10-3 M zinc nitrate. Solid potassium phosphate is added slowly to this mixture. What is the concentration of chro…
1) A solution contains 5.72×10-3 M manganese(II) nitrate and 6.51×10-3 M lead ac
1) A solution contains 5.72×10-3 M manganese(II) nitrate and 6.51×10-3 M lead acetate. Solid ammonium carbonate is added slowly to this mixture. What is the concentration of lead …
1) A solution contains Pb2+ and Zn2+ ions, with nitrate as the counter ion. Cons
1) A solution contains Pb2+ and Zn2+ ions, with nitrate as the counter ion. Consult the solubility rules to answer the following questions. a. NaOH is added. What precipitate (or …
1) A solution is 0.020 M in each Ca 2+ and Cd 2+ . Adjusting the pH of the solut
1) A solution is 0.020 M in each Ca2+ and Cd2+. Adjusting the pH of the solution to which of the following values would achieve the best separation by precipitation of the hydroxi…
1) A solution is 5 mM in each of the following ions: Indicate which of the metal
1) A solution is 5 mM in each of the following ions: Indicate which of the metal ions would precipitate (or start to precipitate) at each of the following pH values. Indicate your…
1) A solution is made by dissolving 6.35g of glucose (C6H1206) in 25.0 mL of wat
1) A solution is made by dissolving 6.35g of glucose (C6H1206) in 25.0 mL of water. The density of water is 1.00 g/mL. Calculate the molality of the solution 2) A solution contain…
1) A solution is prepared by dissolving 19.2 g of ordinary sugar (sucrose, C12H2
1) A solution is prepared by dissolving 19.2 g of ordinary sugar (sucrose, C12H22O11, 342 g/mol) in 50.0 g of water. Calculate the boiling point of the solution. Sucrose is a nonv…
1) A solution of Na2CO3 has a pH of 10. The CO32- on is the conjugate base of th
1) A solution of Na2CO3 has a pH of 10. The CO32- on is the conjugate base of the HCO3- ion. Write the net ionic equation for the reaction which makes a solution of Na2CO3 basic. …
1) A solution of acetic acid PKA= 4.75 has a pH of 6.75, the radio of acid to co
1) A solution of acetic acid PKA= 4.75 has a pH of 6.75, the radio of acid to conjure in CH3COOH-CH3COO^++H^-. 2) the PH of blood is 7.4 while gastric juice is 1.4. How much mole …
1) A solution that is at a pH of 8 _____ solution with a pH of 1. a)has fewer hy
1) A solution that is at a pH of 8 _____ solution with a pH of 1. a)has fewer hydrogen ions than a b) has more hydrogens ions than a c) has an equal number of hydrogen ions as tha…
1) A solution that is at a pH of 8 _____ solution with a pH of 1. a)has fewer hy
1) A solution that is at a pH of 8 _____ solution with a pH of 1. a)has fewer hydrogen ions than a b) has more hydrogens ions than a c) has an equal number of hydrogen ions as tha…
1) A solution with an unknown pH causes methyl orange to turn red and also cause
1) A solution with an unknown pH causes methyl orange to turn red and also causes methyl violet to turn violet. What is the possible pH range for this solution? 2) A solution of s…
1) A spaceship of triangular shape, having a length twice itswidth, is capable o
1) A spaceship of triangular shape, having a length twice itswidth, is capable of relativistic speeds. How fast would ithave to move so that to a stationary observer its length wo…
1) A sphere of copper that has a radius of 7 cm is compressed uniformly by a for
1) A sphere of copper that has a radius of 7 cm is compressed uniformly by a force of 2.6 108 N. Calculate the change in volume of the sphere and the final radius. The bulk modulu…
1) A sphere of radius r =34.5 cm and massm = 1.80 kg starts from rest and rolls
1) A sphere of radius r =34.5 cm and massm = 1.80 kg starts from rest and rolls without slipping down a 30.0 incline that is 10.0 m long. C) What is the ratio of translational to …
1) A spherical balloon has a radius of 6.60 m, and is filled with helium. How la
1)A spherical balloon has a radius of 6.60 m, and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 930 kg? …
1) A spherical snowball is melting in such a way that its radius is decreasing a
1) A spherical snowball is melting in such a way that its radius is decreasing at rate of 0.2 cm/min. At what rate is the volume of the snowball decreasing when the radius is 8 cm…
1) A spherical surface completely surrounds a collection ofcharges. Find the ele
1) A spherical surface completely surrounds a collection ofcharges. Find the electric flux through the surface if thecollection consists of a single +3.93E-6 C charge. 2) A plate …
1) A spherical weather balloon is being inflated. The radius of the balloon is i
1) A spherical weather balloon is being inflated. The radius of the balloon is increasing at the rate of 4 cm/s. Express the surface area of the balloon as a function of time t (i…
1) A sports car accelerates from rest to 100 km/h in 6.1 s. What is its average
1) A sports car accelerates from rest to 100 km/h in 6.1 s. What is its average acceleration in m/s2? m/s2 2)A sports car moving at constant speed travels 100 m in 4.9 s. If it th…
1) A spring hangs vertically. A weight of 10 lbs. is attached and the spring str
1) A spring hangs vertically. A weight of 10 lbs. is attached and the spring stretches 2 inches. The weight is replaced by a 650 lbs. weight and allowed to come to rest in equilib…
1) A spring has a spring constant k = 493 N/m. Let x = 0 referto the spring\'s u
1) A spring has a spring constant k = 493 N/m. Let x = 0 referto the spring's unstretched length. What is the work (in J) neededto stretch the spring 2.7 cm, starting from x = 5.7…
1) A spring is 17.8 cm long when it is lying on a table. One end is then attache
1) A spring is 17.8 cm long when it is lying on a table. One end is then attached to a hook and the other end is pulled by a force that increases to 28.0 N , causing the spring to…
1) A spring is 17.8 cm long when it is lying on a table. One end is then attache
1) A spring is 17.8 cm long when it is lying on a table. One end is then attached to a hook and the other end is pulled by a force that increases to 28.0 N , causing the spring to…
1) A spring stretches 5.0cm when a 0.30kg block is hung from it. If a 0.60kg blo
1) A spring stretches 5.0cm when a 0.30kg block is hung from it. If a 0.60kg block replaces the 0.30kg block, how far does the spring stretch? DeltaX=________cm 2) How close to t…
1) A spring stretches 5.0cm when a 0.30kg block is hung from it. If a 0.60kg blo
1) A spring stretches 5.0cm when a 0.30kg block is hung from it. If a 0.60kg block replaces the 0.30kg block, how far does the spring stretch? DeltaX=________cm 2) How close to t…