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1) A broadcaster transmits its program over a geosynchronous satellite. The upli

1) A broadcaster transmits its program over a geosynchronous satellite. The uplink and downlink carrier frequencies are 14 GHz and 12 GHz, respectively. The distance from the sate…

1) A bubble of 6.00 mol helium is submerged at a certain depth in liquid water w

1) A bubble of 6.00 mol helium is submerged at a certain depth in liquid water when the water ( and thus the helium ) undergoes a temperature increase T of 20°C at constant pressu…

1) A bucket of water can be whirled in a vertical circular path in such a way th

1) A bucket of water can be whirled in a vertical circular path in such a way that the water does no spill. a. Describe in your own words how this is possible. b. Which forces act…

1) A buffer solution contains 0.329 M NH 4 Cl and 0.482 M NH 3 ( ammonia ). Dete

1) A buffer solution contains 0.329 M NH4Cl and 0.482 M NH3 (ammonia). Determine the pH change when 0.130 mol HNO3 is added to 1.00 L of the buffer. pH after addition ? pH before …

1) A buffer solution contains 0.356 M ammonium chloride and 0.396 M ammonia . If

1) A buffer solution contains 0.356 M ammonium chloride and 0.396 M ammonia. If 0.0550 moles of hydroiodic acid are added to 250 ml of this buffer, what is the pH of the resulting…

1) A buffer system contains 0.24 M NH4+ and 0.12 M NH3. p K a of NH4+ is 9.25 Ho

1) A buffer system contains 0.24 M NH4+ and 0.12 M NH3. pKa of NH4+ is 9.25 How many moles of NaOH must be added to 1.00 L of this solution to increase the pH to 9.2? 2) Titration…

1) A building is about 336 m high. Find by energyconsiderations the kinetic ener

1) A building is about 336 m high. Find by energyconsiderations the kinetic energy of a 10kg object after it hasfallen 100 m from this building. 2) A glider of 500g is 10cm above …

1) A bullet is fired horizontally at some height above the ground. At the same t

1) A bullet is fired horizontally at some height above the ground. At the same time a 2nd bullet is dropped from the same height which bullet hits the ground first, the bullet sho…

1) A bullet of mass m = 8.00 g is fired into a block of mass M = 200 g that is i

1) A bullet of mass m = 8.00 g is fired into a block of mass M = 200 g that is initially at rest at the edge of a table of height h = 1.00 m (see figure below). The bullet remains…

1) A bullet of mass m = 8.00 g is fired into a block of mass M = 200 g that is i

1) A bullet of mass m = 8.00 g is fired into a block of mass M = 200 g that is initially at rest at the edge of a table of height h = 1.00 m (see figure below). The bullet remains…

1) A burial mound built by the Etruscans a) dromos b)tumulus c)sarcophagus d)tho

1) A burial mound built by the Etruscans a) dromos b)tumulus c)sarcophagus d)tholos 2)The 5th c. BC Athenian statesman who commissioned the Parthenon was a)Praxiteles b)Augustus c…

1) A buys a bond for $1,500 and it has a redemption amount of $1,000. A holds th

1) A buys a bond for $1,500 and it has a redemption amount of $1,000. A holds the bond for 2 years and amortizes $200 of the premium. A exchanges the bond for $1,400 of XYZ stock.…

1) A calibration curve for CuSO4 at 655 nm yields a straight line described by t

1) A calibration curve for CuSO4 at 655 nm yields a straight line described by the equation y = 2.821 x + 0.673. If the measured absorbance for a solution of unknown concentration…

1) A calorimeter contains 35.0 mL of water at 12.5 C . When 1.20 g of X (a subst

1) A calorimeter contains 35.0 mL of water at 12.5 C . When 1.20 g of X (a substance with a molar mass of 43.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l)X(aq) and…

1) A calorimeter has aluminum inner cup of mass 120 gram containing 200 ml water

1) A calorimeter has aluminum inner cup of mass 120 gram containing 200 ml water at temperature 20 degree Celsius. Brass piece with mass 100 gram is heated to 100 degree Celsius, …

1) A capacitor (C = 50.2 F), a resistor ( R = 22.2 ), a battery ( V = 750 V) and

1) A capacitor (C = 50.2 F), a resistor (R = 22.2 ), a battery (V = 750 V) and a switch are connected in series. If the switch is closed at t = 0, find the energy stored in the ca…

1) A capacitor consists of two 6.0-cm-diameter circular plates separated by 1.0

1) A capacitor consists of two 6.0-cm-diameter circular plates separated by 1.0 mm. The plates are charged to 170V , then the battery is removed. A) How much energy is stored in t…

1) A capacitor with a capacitance of C that is initially uncharged is connected

1) A capacitor with a capacitance of C that is initially uncharged is connected in series with a resistor with a resistance of R and an EMF source with negligible internal resista…

1) A capacitor with a capacitance of C that is initially uncharged is connected

1) A capacitor with a capacitance of C that is initially uncharged is connected in series with a resistor with a resistance of R and an EMF source with negligible internal resista…

1) A car accelerates at 4 m /s / s. Assuming the car starts from rest, how far w

1) A car accelerates at 4 m /s / s. Assuming the car starts from rest, how far will it travel in 10 s? 2) An object falls freely from rest on a planet where the acceleration due t…

1) A car accelerates from rest to 30 m/s in 5 seconds. If the car\'s mass is 100

1) A car accelerates from rest to 30 m/s in 5 seconds. If the car's mass is 1000 kg, what force is needed to produce this acceleration? 2) Acceleration is defined as the change in…

1) A car initially traveling at 28.1 m/s undergoes a constant negative accelerat

1) A car initially traveling at 28.1 m/s undergoes a constant negative acceleration of magnitude 1.40 m/s2 after its brakes are applied. a)What is the angular speed of the wheels …

1) A car is approaching a reflecting wall. A stationary observer behind the car

1) A car is approaching a reflecting wall. A stationary observer behind the car hears a sound of frequency 790 Hz from the car horn and a sound of frequency 873 Hz from the wall. …

1) A car is driving on a level highway. It is acted upon by the following forces

1) A car is driving on a level highway. It is acted upon by the following forces: a downward gravitational force of 12 kN, an upward contact force due to the road of 12 kN, anothe…

1) A car is lapping an elliptical racetrack at a constant speed of 250. km/h in

1) A car is lapping an elliptical racetrack at a constant speed of 250. km/h in the counterclockwise direction. The length of the major axis of the track is 1.60 km and the length…

1) A car is moving along the x -axis and its velocity, v x , varies with time as

1) A car is moving along the x-axis and its velocity, vx, varies with time as shown in the figure. What is the displacement of the car from t = 4.00 s to t = 9.00 s? 2)An object f…

1) A car is moving along the x -axis and its velocity, v x , varies with time as

1) A car is moving along the x-axis and its velocity, vx, varies with time as shown in the figure. What is the displacement of the car from t = 4.00 s to t = 9.00 s? 2)An object f…

1) A car is stopped at a red light for 1 minute. The light turns green and the d

1) A car is stopped at a red light for 1 minute. The light turns green and the dr the accelerator giving the vehicle an acceleration of 3.5 m/sA2. iver pushes down on How long doe…

1) A car is stopped for a traffic signal. When the light turns green, the car ac

1) A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 4.90 m/s in 0.834 s. (a) What is the magnitude of the lin…

1) A car traveling at a constant velocity of 60 miles/hour must come to a stop i

1) A car traveling at a constant velocity of 60 miles/hour must come to a stop in 150 feet using a constant rate of deceleration. What is the rate of deceleration that must be app…

1) A car travels at 50.0 km/hr for 2.00 hours. It then travels an additional dis

1) A car travels at 50.0 km/hr for 2.00 hours. It then travels an additional distance of 40.0 km in 1.00 hour. The average speed of the car for the entire trip is A) 61.0 km/hr. B…

1) A car travels at a constant speed around a circular track whose radius is 2.9

1) A car travels at a constant speed around a circular track whose radius is 2.9 km. The car goes once around the track in 400 s. What is the magnitude of the centripetal accelera…

1) A car travels at a constant speed of 53 km/h as it passes over the road profi

1) A car travels at a constant speed of 53 km/h as it passes over the road profile shown. The centre of gravity of the car is 0.6m above the road surface. At point A (the bottom o…

1) A car travels counterclockwise around a flat circle of radius 0.5 km at a con

1) A car travels counterclockwise around a flat circle of radius 0.5 km at a constant speed of 30 m/s. When the car is at a point A point where the instantaneous belocity is due n…

1) A carbohydrate present in the blood is: A) glucose. B) fructose. C) sucrose.

1) A carbohydrate present in the blood is: A) glucose. B) fructose. C) sucrose. D) maltose 2) A component of lactose is the sugar: A) deoxyribose. B) fructose    C) galactose D) r…

1) A carbohydrate sample weighing 0.235 g was found to have a fuel value of 3.84

1) A carbohydrate sample weighing 0.235 g was found to have a fuel value of 3.84 kJ. What is the fuel value of one gram of this carbohydrate, in nutritional Calories? A) 3,910 Cal…

1) A carbon atom double bonded to an oxygen atom and also single bonded to anoth

1) A carbon atom double bonded to an oxygen atom and also single bonded to another atom, which in turn is bonded to a hydrogen atom, is what kind of functional group? a) amine gro…

1) A card is draw from a deck of cards. What is the probability of getting a red

1) A card is draw from a deck of cards. What is the probability of getting a red card, a jack, queen, or king? 2) The distribution of age of CEO'S is as follows: Age Frequency 21-…

1) A card is drawn from a standard deck of playing cards. What is the probabilit

1) A card is drawn from a standard deck of playing cards. What is the probability that the card is either a Queen, a King or an Ace? (Express your answer as a percent to the neare…

1) A careless student gives the following as a proof of the squeeze theorem. Fin

1) A careless student gives the following as a proof of the squeeze theorem. Find the flaw: "If lim sn - lim tn,then take the limits in the inequality to get L im r L. This can on…

1) A cart is traveling at a constant velocity at 30 m/s. If 20 kg of rocks were

1) A cart is traveling at a constant velocity at 30 m/s. If 20 kg of rocks were put into the cart while it was traveling and the final velocity after all the rocks are put in is 1…

1) A cat is running at 8.0 m/s and trying to catch a mouse, who has a tenth of t

1) A cat is running at 8.0 m/s and trying to catch a mouse, who has a tenth of the mass of the cat. If the cat speeds up by 2.0 m/s, the cat has ten times of the kinetic energy of…

1) A cat is running at 8.0 m/s and trying to catch a mouse, who has a tenth of t

1) A cat is running at 8.0 m/s and trying to catch a mouse, who has a tenth of the mass of the cat. If the cat speeds up by 2.0 m/s, the cat has ten times of the kinetic energy of…

1) A catabolic pathway: a. is reductive in nature. b. is driven by the use of AT

1) A catabolic pathway: a. is reductive in nature. b. is driven by the use of ATP. c. will always produce CO2. d. can lead to the generation of NADH.    e. is oxygen dependent. 2)…

1) A cellular structure that is visible with an electron microscope but not with

1) A cellular structure that is visible with an electron microscope but not with a light microscope is a) a nucleus. b) a ribosome. c) a chloroplast. d) a mitochondrion. 2) Severa…

1) A cellular transmission tower is designed for a \"50 year wind.\" This means

1) A cellular transmission tower is designed for a "50 year wind." This means that is there is a certain high wind velocity with a return period of 50 years. What is the probabili…

1) A cellular transmission tower is designed for a \"50 year wind.\" This means

1) A cellular transmission tower is designed for a "50 year wind." This means that is there is a certain high wind velocity with a return period of 50 years. What is the probabili…

1) A centrifuge in a medical laboratory rotates at an angular speed of 3,650 rev

1) A centrifuge in a medical laboratory rotates at an angular speed of 3,650 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the consta…

1) A centrifuge is a common laboratory instrument that separates components of d

1) A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a…

1) A centrifuge is a common laboratory instrument that separates components of d

1) A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a…