A skydiver of mass 84.0 kg jumps from a slow-moving aircraft and reaches a terminal speed...
A skydiver of mass 84.0 kg jumps from a slow-moving aircraft and reaches a terminal speed of 52.6 m/s. (a) What is her acceleration when her speed is 30.0 m/s? magnitude    m/s2 direction (b) What is the drag force on the skydiver when her speed is 52.6 m/s? magnitude    N direction (c) What is the drag force on the skydiver when her speed is 30.0 m/s? magnitude N direction
Listed below are ages of actresses and actors at the time that they won an award...
Listed below are ages of actresses and actors at the time that they won an award for the categories of Best Actress and Best Actor. Use the sample data to test for a difference between the ages of actresses and actors when they win the award. Use a 0.10 significance level. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Actress's Age 17 25 28 57 27...
Question 23 Match the following types of non-renewable fuel sources to the descriptions, impacts, uses that...
Question 23 Match the following types of non-renewable fuel sources to the descriptions, impacts, uses that go with each one. Makes use of the heat produced by radioactive decay of elements such as uranium. Does not release greenhouse gases.   Obtained by various types of mining, this fuel produces large amounts of greenhouse gases, sulfur, and nitrogen compounds when mined or burned. Some technology exists to reduce pollution but it is expensive to install. Source of gasoline, jet fuel, lubricants, and...
Smith Company manufactures lawn mowers. The firm had the following inventories.           Jan 1, 2018     Dec...
Smith Company manufactures lawn mowers. The firm had the following inventories.           Jan 1, 2018     Dec 3, 2018                         Finished goods                        $142,000         $ 92,000                         Work in process                      $262,000         $426,000                         Materials                                 $114,000         $ 90,000             The following additional manufacturing data pertains to operations.             Material purchased                 $150,000         Property Taxes Factory           $ 7,500             Direct labor                             $400,000         Utilities-Factory                      $15,000             Depreciation-Factory Equip   $ 25,000         Insurance-Factory                   $ 4,500             Factory Supervisor Salaries    $227,500         Selling and Admin Expense   $200,000 Alex Company applies...
A 1.762 g sample of impure H2C2O4 (MW =90.04) was dissolved in water and the impurities...
A 1.762 g sample of impure H2C2O4 (MW =90.04) was dissolved in water and the impurities removed by filtration. 50.00 mL of .01028 M NaOH was added to the filtrate, this being in excess of the amount needed to neutralize both hydrogens of the H2C2O4. The excess NaOH required 12.62 mL of 0.1251M HCl to reach the equivalence point. What was the weight % of H2C2O4 in the sample.
A factor of production is the same as: 1. the price of a good 2. the...
A factor of production is the same as: 1. the price of a good 2. the amount of a good produced 3. a resource. 4. an opportunity cost 5. a profit for a firm
What is the magnitude of the electric field at the point (2.80i + 1.75j + 4.20k)...
What is the magnitude of the electric field at the point (2.80i + 1.75j + 4.20k) m if the electric potential is given by V = 2.00xyz2, where V is in volts and x, y, and z are in meters?
The freezing point of biphenyl (molar mass 154g/mole) is 71.0 degrees. When 1.240 g of benzophenone...
The freezing point of biphenyl (molar mass 154g/mole) is 71.0 degrees. When 1.240 g of benzophenone (molar mass 182 g/mole) is added to 9.52 g of biphenyl the solution is found to freeze at 14.3 degrees Celsius. Calculate the freezing point depression constant, Kf, for biphenyl.
1. Conifers are gymnosperms. What does this mean? 2. How do the leaves of Ginkgo differ...
1. Conifers are gymnosperms. What does this mean? 2. How do the leaves of Ginkgo differ from the conifer’s leaves? 3. In a botanical sense, what is a pollen grain? 4. The development of a seed represents another major step in the evolution of plants. What is an advantage of having seeds? 5. In conifers that have both male and female cones in the same tree, often the female cones are produced in the upper portion of the tree while...
Access the March 23, 2017, filing of the 10-K report of Home Depot for the year...
Access the March 23, 2017, filing of the 10-K report of Home Depot for the year ended January 29, 2017, from SEC. gov (ticker: HD). Refer to Home Depot’s balance sheet, including its note 4 (on debt). Required Identify Home Depot’s long-term liabilities and the amounts for those liabilities from Home Depot’s balance sheet at January 29, 2017. Review Home Depot’s note 4. The note reports that as of January 29, 2017, it had $2.947 billion of “5.875% Senior Notes;...
Exercise 4-3 Cost Per Equivalent Unit-Weighted-Average Method [LO4-3] Superior Micro Products uses the weighted-average method in...
Exercise 4-3 Cost Per Equivalent Unit-Weighted-Average Method [LO4-3] Superior Micro Products uses the weighted-average method in its process costing system. Data for the Assembly Department for May appear below: Materials Labor Overhead   Work in process, May 1 $ 40,600   $ 68,409   $ 331,872     Cost added during May $ 246,530   $ 45,606   $ 221,248     Equivalent units of production 3,400   3,300   3,200   Required: 1. Compute the cost per equivalent unit for materials, for labor, and for overhead. (Round your answers to 2...
The ABC partnership reports the following condensed balance sheet: Cash $ 480,000 Liabilities $2,000,000 Noncash assets...
The ABC partnership reports the following condensed balance sheet: Cash $ 480,000 Liabilities $2,000,000 Noncash assets 3,160,000 Partner A, capital 290,000 Partner B, capital 1,100,000 Partner C, capital 250,000 Total assets $3,640,000 Total liabilities and partner capital $3,640,000 The partners wish to liquidate the partnership. The noncash assets are sold for $2,300,000 with the loss distributed to the partners in the ratio of 30%/30%/40% to partner A, B, and C, respectively. The liabilities are paid in full. Assume that any...
Zachary thinks that taking pets for a walk decreases people’s heart rate over time. He has...
Zachary thinks that taking pets for a walk decreases people’s heart rate over time. He has his participants take a baseline heart rate and then has them walk their dogs for three days. He then has the same participants take their resting heart rate. Participant Baseline Post Walk 1 75 71 2 66 66 3 57 55 4 64 66 5 67 60 6 77 74 7 70 73 8 71 70 9 76 72 10 80 77 11 76...
Use the equation in standard form to name the surface and the principle axis that is...
Use the equation in standard form to name the surface and the principle axis that is parallel to the axis of symmetry. 2x^2 - y^2 + 2z^2 + 4x - 4z +4 = 0
AirQual Test Corporation provides on-site air quality testing services. The company has provided the following cost...
AirQual Test Corporation provides on-site air quality testing services. The company has provided the following cost formulas and actual results for the month of February: Fixed Component per Month Variable Component per Job Actual Total for February Revenue $ 277 $ 36,030 Technician wages $ 8,100 $ 7,950 Mobile lab operating expenses $ 4,800 $ 30 $ 8,840 Office expenses $ 2,300 $ 3 $ 2,570 Advertising expenses $ 1,580 $ 1,650 Insurance $ 2,870 $ 2,870 Miscellaneous expenses $...
Using this information together with the standard enthalpies of formation of O2(g), CO2(g), and H2O(l) from...
Using this information together with the standard enthalpies of formation of O2(g), CO2(g), and H2O(l) from Appendix C, calculate the standard enthalpy of formation of acetone. Complete combustion of 1 mol of acetone (C3H6O) liberates 1790 kJ: C3H6O(l)+4O2(g)?3CO2(g)+3H2O(l)?H?=?1790kJ
Diazapam is a drug, its metabolic decay follows first order reaction rate law. You have observed...
Diazapam is a drug, its metabolic decay follows first order reaction rate law. You have observed that it takes 4 days (96 hours) in the patients body for a 5mg dose to be reduced to 1mg. A. calculate the rate constant and halflife of diazapam in the body. B. A patent requires a minimum amount of 1.5mg od Diazapam at any given time, and you decide to precribe 2mg tablets. when should the patient take the second dose? C. when...
Beginning in 1997, New York State has published annual "report cards" (available on the internet) that...
Beginning in 1997, New York State has published annual "report cards" (available on the internet) that provide information on a variety of measures of the "success" of elementary and secondary school systems. In examining the data for 1996, a reporter for the Syracuse Newspapers, observed that a relationship appeared to exist between academic performance and the level of student poverty for the 124 schools in central New York area. To evaluate this relationship, a regression model was formulated as: RDi...
what are the purposes and uses of DNA barcoding, and in which cases is used ?
what are the purposes and uses of DNA barcoding, and in which cases is used ?
sensitivity is 95% and speaificuty is 90%. prevalence of disease in a popularion is 10%. say...
sensitivity is 95% and speaificuty is 90%. prevalence of disease in a popularion is 10%. say popilation is 120 people. calculate positive predictive value and suggest at least two things that can increase postive predictive value tnx
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