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At a rock concert, a dB meter registered 130 dB when placed 2.5 m in front of a loudspeaker on the stage.
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The objective lens has a focal length f1 = +41. Precisely 35.3 cm behind this lens is a concave lens with a focal length f2 = -14. The object to be...
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Which is the correct choice for this answer?
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in guinea pigs, brown coats are dominate over black coats; red eyes are dominate over white eyes; long bodies are dominate over short bodies; sharp...
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An airtight box has a removable lid of area 1.0 multiplied by 10-2 m2 and negligible weight. The box is taken up a mountain where the air pressure...
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Three deer, A, B, and C, are grazing in a field. Deer B located 61 m from dear A at an angle of 54 north of west. Deer C is located 76 north of east...
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I mmunization from the State of Evergreen Analyze the needs and interests of the key stakeholders you identified. Be sure to provide specific...
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n the figure below a uniform electric field is directed out of the page within a circular region of radius R = 3.00 cm. The magnitude of the electric...
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Chapter 1 More and more individuals of all ages engage in physical activity, yet the number of overweight and obese individuals continues to rise.
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Biological theories are some of the most controversial. Identify and describe in detail the various biological factors that influence criminality.
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How would you define quality of care from the provider and patient perspectives? Why do you believe that quality can be viewed as a strength and a
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A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 850 torr. It is filled with helium at 23 o C and 0.991 atm...
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According to results from the Women's health institute the use of postmenopausal estrogen/progestin hormone therapy was associated with a decreased...
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Sexual Tolerance: The Times They Are A'changing People in the United States vary widely in their acceptance of the sexual and gender choices and...
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You are a scientist in your life and in the real world. Part of the fun of learning about the world and how it works is going beyond the text and seeing it for yourself in action.This quarter you ar
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A race car starts from rest on a circular track of radius 267 m. The car's speed increases at the constant rate of 0.420 m/s2.
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Water flows straight down from an open faucet. The cross-sectional area of the faucet is 2.4 10-4m2 and the speed of the water is 0.60 m/s as it...
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White phosphorous has a chemical formula P4(s). A P4 molecule has 20 valence electrons.
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A Young's double-slit experiment is performed using light that has a wavelength of 663 nm. The separation between the slits is 345 10-7 m.
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Two substances are mixed together. Explain how the observer could determine if this reaction is just a mixture or an actual chemical reaction.
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Judy Franklin, 22 years old, has just graduated from college and is about to start a job as a graphic arts designer in a large marketing company.
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A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 19.3 m/s, the block hangs vertically down.
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At one instant a bicyclist is 75 m due east of a park's flagpole, going due south with a speed of 12 m/s.
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I need help with theses problems please!!! 1)The escape velocity from a massive object is the speed needed to reach an infinite distance from it and
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Two point charges are fixed on the y axis: a negative point charge q1 = -25 C at y1 = +0.17 m and a positive point charge q2 at y2 = +0. A third...
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The amount of insolation received at any place on the Earth is primarily determined by what two factors?
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Temperature inversions (thermal inversions) trapping air pollution can occur in areas surround by topography a. when surface temperatures are higher...
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A mixture of He, Ar, and Xe has a total pressure of 3.00 atm . The partial pressure of He is 0.450 atm , and the partial pressure of Ar is 0.450 atm
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Hi again profhelper i am very grateful of your work with my homeworks, you are doing excellent thank you for that.
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There are ethics issues that occur even before a person is born. Using the content of Chapters Three, Four, Five, and Six, select three issues that...
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Which of the following is the most expensive?
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Which of the following statements is true: Question 16 options:
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The weight of passengers on a roller coaster increases by 47 percent as the car goes through a dip with a radius of curvature of 33 m.
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harmacopoeia grade lactic acid is: Question 14 options: b) Meets the specification of U.
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In order to calculate the number of ways of arranging a given amount of energy in a tiny block of copper, the block is modeled as containing 7.5105...
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Which of the following compounds is soluble in water Ga2O3, Na3P, ZnS, Hg2Cl what are the spectator ion(s) in the following reaction.
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The total surface area of the earth consisting of forest, cultivated land, grassland, and desert is 1.49 x 1068 km^2.
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Subject: Construction of simplified single heterojunction LED structure flat energy band diagram.
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1. Using a NATURAL SCIENCE research puzzle, such as whether DDT negative impacts bird species, compare and contrast a manipulative experiment,
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For the mutant I got N-MetLeuProValPheProSerGlyValSerValAlaThrArgAlaLysPheproIleLysLysLysLys-C So the question is.
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1. Which of these are vectors? (a) The electric field. (b) The electric potential. 2. True or false?
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In the United States, foreign companies filing annual reports with the SEC that are not prepared in accordance with U. GAAP must: present financial...
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Cyathium is characterized by (1) Single female flower surrounded by many male flowers (2) As involucres of bracts enclosing all the flowers (3)
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Calculate (showing your work) the number and symmetry species of the normal modes expected for NH 2 Cl 2 + .
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A sample of neon gas is held in a rigid 1.814L container with a pressure of 1.273atm at 25 C.193g of an unknown gas is added to the container.
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A water wave has a frequency of 16 Hz and wavelength of 2.0 m. (a) What is the period of these waves? (b) What is the wave velocity?
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A car moving in a straight line starts at = 0 at = 0. It passes the point = 25.0 with a speed of 13.0 at = 3. It passes the point = 360 with a speed...
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The extensive phosphate deposits of Florida are the result of?
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Incidence and prevalence data have different applications in public health. Below is a list of uses for data.
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two capacitors(A,B),capacitor(A)is charrged throuh a potential difference(50volt)and capacitor(B)has a capacitance of(30mf)and is charged through a...
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