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1) A researeer randonly surveys 200 individuals. She asks those surveyed for the

1) A researeer randonly surveys 200 individuals. She asks those surveyed for their age and the 50 and over Can the researcher conehude that being 50 or older cuses you to prefer t…

1) A resistance R and a 1.5 -H inductance are in series across a 60-Hz ac voltag

1) A resistance R and a 1.5-H inductance are in series across a 60-Hz ac voltage. The voltage across the resistor is 32 V and the voltage across the inductor is 20 V. Assume that …

1) A restaurant has three separate dining areas: the patio, the alcove, and the

1) A restaurant has three separate dining areas: the patio, the alcove, and the flli all. At question is whether the median dollar amount per customer is the same or different bet…

1) A restaurant prepares 200.00 pizza slices and sells them at a rate of $13.00/

1) A restaurant prepares 200.00 pizza slices and sells them at a rate of $13.00/slice. Expenses for the restaurant include raw material for pizza at $6.00 per slice, $123.00 as mo…

1) A resturant is offering a daily special entree with selection of 1 appetizer,

1) A resturant is offering a daily special entree with selection of 1 appetizer, 1 side dish and 1 desert. There are 4 appetizers, 5 side dishes and 2 deserts on the menu. a) In h…

1) A right circular cylinder has a diameter of 3.7 in and a height of 7 ft. (a)

1) A right circular cylinder has a diameter of 3.7 in and a height of 7 ft. (a) What is the volume of the cylinder in cubic feet? ................ ft3 (b) What is the volume in cu…

1) A rise in the wages of workers in the beef industry will: Decrease the supply

1) A rise in the wages of workers in the beef industry will: Decrease the supply of beef, raising the equilibrium price and quantity of beef. Decrease the supply of beef, raising …

1) A rise in the wages of workers in the beef industry will: Decrease the supply

1) A rise in the wages of workers in the beef industry will: Decrease the supply of beef, raising the equilibrium price and quantity of beef. Decrease the supply of beef, raising …

1) A rock is thrown at an angle of 35 degrees above the horizontal at a speed v

1) A rock is thrown at an angle of 35 degrees above the horizontal at a speed vo. The rock reaches a maximum height of 15m, then hits the ground at the same height it was thrown f…

1) A rock with a mass of 550 g in air is found to have an apparent mass of 327 g

1) A rock with a mass of 550 g in air is found to have an apparent mass of 327 g when submerged in water. a) What mass, in grams, of water is displaced? b) What is the volume, in …

1) A roller coaster makes a vertical circle (loop-the-loop)with a radius of curv

1) A roller coaster makes a vertical circle (loop-the-loop)with a radius of curvature of 12.7 m. At what minimum speed (inm/s) must a roller coaster car be traveling when upside d…

1) A roller-coaster cart of 1000 kg starts at rest and moves down from 150 m hei

1) A roller-coaster cart of 1000 kg starts at rest and moves down from 150 m height from the ground and running through a vertically circular rail, the diameter of the rail is 5m,…

1) A rolling ball moves from x 1 = 3.8 cm to x 2 = -4.2 cm during the time from

1)        A rolling ball moves fromx1 = 3.8 cm tox2 = -4.2 cm during the time fromt1 = 3.4 s tot2 = 6.1 s. What is its average velocity? 1 cm/s 2) If you are driving 105km/h along…

1) A rubber balloon has been inflated so that it is a sphere of radius a where a

1) A rubber balloon has been inflated so that it is a sphere of radius a where a remains a constant. The balloon has charge Q uniformly spread over its outer surface. (Treat the b…

1) A rubber stopper with a mass of 26 g (.026 kg) is attached to a 0.3 m string

1) A rubber stopper with a mass of 26 g (.026 kg) is attached to a 0.3 m string and spun overhead. It is determined that it spins with a velocity of 4.96 m/s. Ignoring the Force o…

1) A sales discount correctly taken by the charge customer was debited to Sales

1) A sales discount correctly taken by the charge customer was debited to Sales at the time the entry was recorded. This error will cause. A) the net income for the period to be u…

1) A saline solution contains 8.4 g of NaCl in 1.00 kg of water. Assuming an ide

1) A saline solution contains 8.4 g of NaCl in 1.00 kg of water. Assuming an ideal value for the Van't Hoff factor, i, calculate the freezing point of this solution in oC. 2) At w…

1) A sample initially contains 8.0 moles of a radioactive isotope. How much of t

1) A sample initially contains 8.0 moles of a radioactive isotope. How much of the sample remains after five half-lives? Express your answer using two significant figures. 2) Cons…

1) A sample of 1 mol of hydrogen has a temperature of 27 ° C (a) What is the kin

1) A sample of 1 mol of hydrogen has a temperature of 27 ° C (a) What is the kinetic energy of all the molecules in the sample? (b) How fast should a person of 65 kg run to have t…

1) A sample of 1 mol of hydrogen has a temperature of 27 ° C (a) What is the kin

1) A sample of 1 mol of hydrogen has a temperature of 27 ° C (a) What is the kinetic energy of all the molecules in the sample? (b) How fast should a person of 65 kg run to have t…

1) A sample of 300 is classified by whether they are planning on attending an up

1) A sample of 300 is classified by whether they are planning on attending an upcoming school event (Yes/No) and their year in school (Freshman/Sophomore/Junior/Senior). The sampl…

1) A sample of He has a volume of 0.180 L, a pressure 0.800 atm and a temperatur

1) A sample of He has a volume of 0.180 L, a pressure 0.800 atm and a temperature of 302 K. At what temperature (K) will the He have a volume of 90.0 mL and a pressure of 3.20 atm…

1) A sample of Xe gas has a volume of 852 mL, has a pressure of 523 mm Hg, and i

1) A sample of Xe gas has a volume of 852 mL, has a pressure of 523 mm Hg, and is at a temperature of 17.1 °C. Calculate the amount (in moles) of Xe in the gas sample. = ? mol 2) …

1) A sample of Xe gas has a volume of 852 mL, has a pressure of 523 mm Hg, and i

1) A sample of Xe gas has a volume of 852 mL, has a pressure of 523 mm Hg, and is at a temperature of 17.1 °C. Calculate the amount (in moles) of Xe in the gas sample.= ? mol 2) A…

1) A sample of cesium-137 has an activity of 4.00 µCi and a half-life of 30.2 ye

1) A sample of cesium-137 has an activity of 4.00 µCi and a half-life of 30.2 years. How many cesium-137 nuclei are present in the original sample? Correct, computer gets: 2.03e+1…

1) A sample of difference scores has a mean of the differences = 5. Which combin

1) A sample of difference scores has a mean of the differences = 5. Which combination of factors is most likely to produce a significant difference. A. n = 4 with a variance of = …

1) A sample of gas in a balloon has an initial temperature of 36 C and a volume

1) A sample of gas in a balloon has an initial temperature of 36 C and a volume of 1.76×103 L . If the temperature changes to 70. C , and there is no change of pressure or amount …

1) A sample of gold has a mass of 295.0 lb and a volume of 0.2446 ft3. What is i

  1) A sample of gold has a mass of 295.0 lb and a volume of 0.2446 ft3. What is its specific gravity?    B)  What are the units of specific gravity?    C) A sample of metal has a…

1) A sample of limestone is heated, and the CO2 gas released is collected in an

1) A sample of limestone is heated, and the CO2 gas released is collected in an evacuated flask connected to an open-end manometer. If the atmospheric pressure is 0.9475 atm and g…

1) A sample of methane gas is introduced into an evacuated 5.0 L container, unti

1) A sample of methane gas is introduced into an evacuated 5.0 L container, until a pressure of 3.2 atm is attained. What volume change is required to reduce the methane pressure …

1) A sample of steam with a mass of 0.505 g and at a temperature of 100 C conden

1) A sample of steam with a mass of 0.505 g and at a temperature of 100 C condenses into an insulated container holding 4.25 g of water at 3.0C.( Hvap=40.7 kJ/mol, Cwater=4.18 J/g…

1) A scale is submerged at the bottom of a swimming pool and then a 1kg block of

1) A scale is submerged at the bottom of a swimming pool and then a 1kg block of aluminum is placed on it. If the scale reads newtons, what does the scale read with the block on i…

1) A science-fair radio uses a homemade capacitor made of two 40 cm × 40 cm shee

1) A science-fair radio uses a homemade capacitor made of two 40 cm × 40 cm sheets of aluminum foil separated by a 0.20-mm-thick sheet of paper. Assume dielectric constant of pape…

1) A scientist is searching for chemical compounds involved in embryonic limb de

1) A scientist is searching for chemical compounds involved in embryonic limb development. She discovers a new compound that is transiently (briefly) expressed in the limb and onl…

1) A screen is placed a distance 2 m away from another screen with two slits 0.1

1) A screen is placed a distance 2 m away from another screen with two slits 0.1 mm apart. Behind the slits is a coherent light source with wavelength, = 560 nm.    a) What is the…

1) A screen that is 1.0m wide is 2.0m away from a pair of slits illuminated by 6

1) A screen that is 1.0m wide is 2.0m away from a pair of slits illuminated by 633-nm light, with the screen centered between the slits. Find the highest-order bright fringe that …

1) A scuba diver swims below the surface, breathing air from tanks of her scuba

1) A scuba diver swims below the surface, breathing air from tanks of her scuba gear. a. It’s easiest for her to maintain a constant depth if the buoyant force on her and her equi…

1) A section of straight wire within a magnetic field is conducting a current to

1) A section of straight wire within a magnetic field is conducting a current to the right. The external magnetic field is uniform and directed into the paper. A number of changes…

1) A serial system is comprised of 5 components connected in series. In order fo

1) A serial system is comprised of 5 components connected in series. In order for the serial system to work, all five components must function correctly. Assume that each componen…

1) A serial system is comprised of 5 components connected in series. In order fo

1) A serial system is comprised of 5 components connected in series. In order for the serial system to work, all five components must function correctly. Assume that each componen…

1) A serial system is comprised of 5 components connected in series. In order fo

1) A serial system is comprised of 5 components connected in series. In order for the serial system to work, all five components must function correctly. Assume that each componen…

1) A serial system is comprised of 5 components connected in series. In order fo

1) A serial system is comprised of 5 components connected in series. In order for the serial system to work, all five components must function correctly. Assume that each componen…

1) A severe bout of vomiting eventually lowers blood plasma [H 1 (remember that

1) A severe bout of vomiting eventually lowers blood plasma [H 1 (remember that the stomach contents are highly acidic because protons are pumped out of the stomach epithelium int…

1) A shift of the demand curve for loanable funds may occur due to changes in go

1) A shift of the demand curve for loanable funds may occur due to changes in government ___ while a shift of the supply curve of loanable funds may occur due to changes in privat…

1) A shot-putter accelerates a 7.12 kg shot from rest to 14.4 m/s. If this motio

1) A shot-putter accelerates a 7.12 kg shot from rest to 14.4 m/s. If this motion takes 1.86 s, what average power was developed? 2) In the rope climb, a 72.8 kg athlete climbs a …

1) A silver wire has a resistance of 4.7 at 20C. What resistance does it have at

1) A silver wire has a resistance of 4.7 at 20C. What resistance does it have at 43C? Use a temperature coefficient of resistivity of 0.0038 (C)1. Neglect any change in length or …

1) A simple barometer is made by taking a tube that is open at one end and close

1) A simple barometer is made by taking a tube that is open at one end and closed at the other, filling it with fluid, and inverting it so that the open end is submerged in a bowl…

1) A simple barometer is made by taking a tube that is open at one end and close

1) A simple barometer is made by taking a tube that is open at one end and closed at the other, filling it with fluid, and inverting it so that the open end is submerged in a bowl…

1) A simple harmonic oscillator oscillates with frequency f when its amplitude i

1) A simple harmonic oscillator oscillates with frequency f when its amplitude is A. If the amplitude is now doubled to 2A, what is the new frequency? A) 2f B) 4f C) f D) f/2 E) f…

1) A simple model of the Hydrogen atom, the electron moves in a circular orbit o

1) A simple model of the Hydrogen atom, the electron moves in a circular orbit of radius r of 0.053 nm around a stationary proton. This is shown in the figure below. a. Find the e…