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a)The R commands x=rcauchy(500); summary(x) generate a random sample of size 500
a)The R commands x=rcauchy(500); summary(x) generate a random sample of size 500 from the Cauchy distribution and display the sample’s five number summary; Report the five number …
a)The activation energy for the isomerization ol cyclopropane to propene is 274
a)The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 232 to…
a)The combustion of propane, C3H8, occurs via the reaction C3H8(g)+5O2(g)3CO2(g)
a)The combustion of propane, C3H8, occurs via the reaction C3H8(g)+5O2(g)3CO2(g)+4H2O(g) with heat of formation values given by the following table: Substance Hf (kJ/mol) C3H8 (g)…
a)The following graph shows the voltage and current through a single circuit ele
a)The following graph shows the voltage and current through a single circuit element. What is the frequency of the ac generator? Vp = 74 V, Ip = 2.10 A, t1=.0402s I have tried: 35…
a)The magnetic flux through a single loop of wire changes from 2.0 to 0 Webers i
a)The magnetic flux through a single loop of wire changes from 2.0 to 0 Webers in 35.8 milliseconds. Calculate the magnitude of the emf induced in the loop in Volts to 2 sf. b)Whe…
a)The magnetic flux through a single loop of wire changes from 2.0 to 0 Webers i
a)The magnetic flux through a single loop of wire changes from 2.0 to 0 Webers in 35.8 milliseconds. Calculate the magnitude of the emf induced in the loop in Volts to 2 sf. b)Whe…
a)The mutant and wild-type RNA migrate the same distance from the top of the gel
a)The mutant and wild-type RNA migrate the same distance from the top of the gel. b)The mutant RNA migrates more quickly and thus travels a greater distance in the gel compared to…
a)The plane of a rectangular coil, 2.7 cm by 10.8 cm, is perpendicular to the di
a)The plane of a rectangular coil, 2.7 cm by 10.8 cm, is perpendicular to the direction of a uniform magnetic field B. If the coil has 87 turns and a total resistance of 9 , at wh…
a)The population of a community is known to increase at a rate proportional to t
a)The population of a community is known to increase at a rate proportional to the number of people present at time t. If an initial population P0 has doubled in 4 years, how long…
a)The range of human hearingextends from approximately 20 Hz to 20000 Hz. Find t
a)The range of human hearingextends from approximately 20 Hz to 20000 Hz. Find the wavelengthfor 20 Hz when the speed of sound in air is 335 m/s. Answer inunits of m. b)Find the w…
a)The recently discovered Eris which is slightly larger than pluto orbits the su
a)The recently discovered Eris which is slightly larger than pluto orbits the sun every 557 years what is its avearge distance ( semimajor axis) from the sun? How does its average…
a)The solenoid is 18.1 cm long and wound with 111 turns of wire. If the current
a)The solenoid is 18.1 cm long and wound with 111 turns of wire. If the current in the solenoid is 3.23 A, find the flux through the loop. b)If the current in the solenoid is redu…
a)The switch is closed in the circuit below and the output waveform s(t) is obse
a)The switch is closed in the circuit below and the output waveform s(t) is observed across thecapacitor. Using only the graph, determine the value of the capacitor C assuming it …
a)The switch is closed in the circuit below and the output waveform s(t) is obse
a)The switch is closed in the circuit below and the output waveform s(t) is observed across thecapacitor. Using only the graph, determine the value of the capacitor C assuming it …
a)The time it takes to bake a Betty Crocker Supermoist Fudge Cake is normally di
a)The time it takes to bake a Betty Crocker Supermoist Fudge Cake is normally distributed with a mean of 35 minutes and a variance of 36 minutes^2. Let baking time, in minutes, be…
a)The two-loop wire circuit is 145.304 cm wide and 96.8694 cm high. The wire cir
a)The two-loop wire circuit is 145.304 cm wide and 96.8694 cm high. The wire circuit in the figure is located in a magnetic field whose magnitude varies with time according to the…
a)The voltage across which circuit element ( resistor , capacitoror inductor) in
a)The voltage across which circuit element ( resistor , capacitoror inductor) increases as frequency is increases? b)The voltage across which circuit element ( resistor ,capacitor…
a)The volume of a sample of helium is increased by withdrawing the piston of the
a)The volume of a sample of helium is increased by withdrawing the piston of the cotaining cylinder, The final pressure Pf is found to be equal to the initial pressure Pi times(Vi…
a)There are two types of impurities that can contaminate a sample.What are they?
a)There are two types of impurities that can contaminate a sample.What are they? How do they affect the observed melting points? b)You have synthesized a new compound one which ha…
a)To water the yard, you use a hose with a diameter of 2.7 cm. Water flows from
a)To water the yard, you use a hose with a diameter of 2.7 cm. Water flows from the hose with a speed of 1.4 m/s. If you partially block the end of the hose so the effective diame…
a)True False N NE E SE S SW W NW The direction of the force on a small (-) charg
a)True False N NE E SE S SW W NW The direction of the force on a small (-) charge at 5 is .... b)True False N NE E SE S SW W NW The magnitude of the E-field at 2 is very small (…
a)True or false: One single hydrogen bond can make the difference between a prot
a)True or false: One single hydrogen bond can make the difference between a protein folding and not folding. b)List three features that the strongest hydrogen bonds share. c)Is hy…
a)Two kids sit on the ends of a uniform board that is 6.62 meters long and 0.304
a)Two kids sit on the ends of a uniform board that is 6.62 meters long and 0.304 meters wide. The board rotates horizontally about a frictionless pivot through its center. If the …
a)Two long parallel wires carry currents of 4 A and 7 A in the opposite directio
a)Two long parallel wires carry currents of 4 A and 7 A in the opposite direction. The wires are separated by 0.24 m. a) Find the magnetic force per unit length between the two wi…
a)Use (strong) induction to prove B ezout’s identity: for any a and b, there exi
a)Use (strong) induction to prove B ezout’s identity: for any a and b, there exists integers s and t such that gcd(a, b) = sa + tb. Hint: use the inductive hypothesis to write gcd…
a)Use a loop to determine how many years it will take 100 grams of an unknown su
a)Use a loop to determine how many years it will take 100 grams of an unknown substance to decay below 5 grams. The substance decays at a rate of 1/3 of its value every year. Afte…
a)Using elementary Newtonian mechanics, find the period of amass (m1) in a circu
a)Using elementary Newtonian mechanics, find the period of amass (m1) in a circular orbit of radius r around a fixed mass(m2).b)Using the seperation of variables into Center of Ma…
a)Using the modern accepted value G=6.67 x 10^ -11 Nm^2/ kg^2, solve for the mas
a)Using the modern accepted value G=6.67 x 10^ -11 Nm^2/ kg^2, solve for the mass of the Earth. Do this by applying the fact that near the surface of the Earth (where r is the rad…
a)Water is at rest at the bottom of a well of depth h = 2.95 m. A pump lifts mas
a)Water is at rest at the bottom of a well of depth h = 2.95 m. A pump lifts mass at a rate of dm/dt = 138 kg/minute from the well and ejects it with a speed v = 5.67. m/s. If the…
a)Water is flowing from a higher to a lower reservoir through a 24-inch cast-iro
a)Water is flowing from a higher to a lower reservoir through a 24-inch cast-iron pipe with a velocity of 4.5 f/s. The flow through the pipe (Q in ft3/s) is closest to Select one:…
a)What are the grep and egrep commands used for, and what is the difference betw
a)What are the grep and egrep commands used for, and what is the difference between them? b) Give the command to search the file ‘idioms.txt’ for all lines beginning with ‘When’ o…
a)What dollar value should the company recognize on its 12/31/2016 balance sheet
a)What dollar value should the company recognize on its 12/31/2016 balance sheet for the Trading Securities portfolio? Name the measurement attribute required by GAAP, and explain…
a)What is an enzyme? b)How does an enzyme speed up a chemical reaction? c)How ca
a)What is an enzyme? b)How does an enzyme speed up a chemical reaction? c)How can an enzyme be denatured and why does that process result in the loss of activity of the enzyme? Pr…
a)What is point E? What phases are present at point E b)What is point P? What ph
a)What is point E? What phases are present at point E b)What is point P? What phases are present at point P? c)What is the line A-E called? What is its significance of this line? …
a)What is the average lifetime value of a customer in each of the two groups (Gr
a)What is the average lifetime value of a customer in each of the two groups (Group1- # of Customers with initial purchase < $50, Group2- # of Customers with initial purchase &…
a)What is the magnitude of the electric field at point P, located at (6.00 cm, 0
a)What is the magnitude of the electric field at point P, located at (6.00 cm, 0), due to Q1 alone? b)What is the x-component of the total electric field at P? c) What is the y-co…
a)What is the total number of p electrons in a single (ground state) K atom? b)W
a)What is the total number of p electrons in a single (ground state) K atom? b)What is the principal quantum number (n) for the valence electrons in arsenic? c)The wave function f…
a)What is the total work W fric done on the block by the force of friction as th
a)What is the total work Wfric done on the block by the force of friction as the block moves a distance 10.0m up the incline? b)What is the total work WF done on the block by the …
a)What is the velocity of the elevator at the end of the fourth 5 s interval (at
a)What is the velocity of the elevator at the end of the fourth 5 s interval (at 20 s)? b)What is the displacement of the elevator above the starting point at the end of the fourt…
a)What is the x component F x of the resultant force? b)What is the y component
a)What is the x component Fx of the resultant force? b)What is the y component Fy of the resultant force? c)What is the magnitude F of the resultant force? d)What is the angle ? t…
a)What mass of m2 will just barely set the system in motion? b)After the system
a)What mass of m2 will just barely set the system in motion? b)After the system begins to move, what is the acceleration? Unless otherwise stated, all objects are located near the…
a)When are break-even points realized for a firm in a perfectly competitive mark
a)When are break-even points realized for a firm in a perfectly competitive market? When AR=P. When MR=MC. When AC=MC. When MR=AC. b)Which of the following statements is true rega…
a)Whether One Colorado intended to create a bilateral or Unilateral contract? wh
a)Whether One Colorado intended to create a bilateral or Unilateral contract? why? b) Whether the requirements for a valid contract and explain fully hopw each of these requiremen…
a)Which of the following statements are false? 1. Dipole-Dipole interactions bet
a)Which of the following statements are false? 1. Dipole-Dipole interactions between molecules are strongest if the molecules possess only induced dipoles. 2. All compounds contai…
a)Which of the following true about source and listener objects? They must alway
a)Which of the following true about source and listener objects? They must always be different objects They can be the same object The objects must always be of different types Bo…
a)Why do you think it is important to use a network protocol analyzer like Wires
a)Why do you think it is important to use a network protocol analyzer like Wireshark in order to analyze the network? b)What is a broadcast network address and why it is used on a…
a)Why is the distribution Normal and not right-skewed like the population? b)Why
a)Why is the distribution Normal and not right-skewed like the population? b)Why is the z-score 2? c)What is the probability that the sample mean will be more than $3000 away from…
a)Write a balanced chemical equation that describes the combustion of one mol of
a)Write a balanced chemical equation that describes the combustion of one mol of oxalic acid. (C2H2O4(s)) b)Write a balanced chemical equation that describes the standard formatio…
a)Write a balanced chemical equation that describes the combustion of one mol of
a)Write a balanced chemical equation that describes the combustion of one mol of oxalic acid. (C2H2O4(s)) b)Write a balanced chemical equation that describes the standard formatio…
a)Write a program that prompts the user to enter an 8-character password, then p
a)Write a program that prompts the user to enter an 8-character password, then prints the characters back to the screen along with their corresponding ASCII values. b) Modify the…