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August 30, 2015

Search: A charge of -3.50 nC..

Number of results: 4,764

Physics
(a) calculate the energy in joules put out by a 9.0 V calculator battery that moves 3.0 C of charge through a handheld calculator after 1 hr of operation. (b) calculate the energy put out by a 12.0 V car battery that moves 1000 C of charge (as it may when starting the car's ...
May 10, 2010 by Nina

chemistry
How does an ionic bond form between zinc and oxygen? Zn has two electrons in its outside shell and wants to lose those two. Oxygen has six electrons in its outside shell and wants eight; therefore, oxygen takes the two electrons form Zn making the Zn with a +2 charge and ...
November 20, 2006 by carter

Economics
A television station is considering the sale of promotional DVDs. It can have the DVDs produced by one of two suppliers. Supplier A will charge the station a set-up fee of $1,200 plus $2 for each DVDs; supplier B has no set-up fee and will charge $4 per DVD. The station ...
September 16, 2010 by Anonymous

physics
A charge of +0.5 C is moved from a position where the electric potential is 10 V to a position where the electric potential is 70 V. What is the the change in potential energy of the charge associated with this change in position?
April 28, 2014 by Amanda

Physics
Two charges are placed between the plates of a parallel plate capacitor. One charge is +q1 and the other is q2= +5.00x10^-6 C . The charge per unit area on each plate has a magnitude of sigma=1.30 x 10^-4 C/m^2. The force on q1 due to q2 equals the force on q1 due to the ...
February 6, 2008 by Trevor

Physics
Two charges are placed between the plates of a parallel plate capacitor. One charge is +q1 and the other is q2= +5.00x10^-6 C . The charge per unit area on each plate has a magnitude of sigma=1.30 x 10^-4 C/m^2. The force on q1 due to q2 equals the force on q1 due to the ...
February 6, 2008 by Trevor

Physics Important please
An insulating sphere of mass m and positive charge q is attached to a spring with length h and spring constant k_s and is at equilibrium. An infinitely long wire with positive linear charge density lamda is placed a distance l away from the charged mass at equilibrium as shown...
November 8, 2013 by nisha

math
A company rents its care for a daily fee, plus an additional charge per miles driven. Trip one is 4 days, 450 miles, and cost $244.50 for the rental. Trip two is 3 days, 200 miles and cost 149.00 for the rental. Find the daily fee, and find the mileage charge. I don't know how...
December 5, 2014 by Maria

physics
WHICH ONE OF THE FOLLOWING STATEMENTS BEST EXPLAINS WHY SEMICONDUCTORS IN TRANSISTORS ARE DOPED? A) doping converts the semiconducting material into a metallic material like copper. b) doping makes the charge carriers mobile. c) doping makes the charge carriers immobile. d) ...
May 1, 2010 by seema

physics
A plastic rod has been bent into a circle of radius R = 8.80 cm. It has a charge Q1 = +4.60 pC uniformly distributed along one-quarter of its circumference and a charge Q2 = -6Q1 uniformly distributed along the rest of the circumference. Take V = 0 at infinity. (a) What is the...
April 4, 2013 by j

Physics
An infinite,insulating sheet has a surface charge density 3.14C/m^2 the height is 12km A.) find the surface area of the Gaussian surface B.) find the total charge C.) find the total electric flux D.) use Guass's law to find the electric field at a height h=12km above the ...
February 25, 2015 by Macy

Physics
An object with a charge of -4.4 uC and a mass of 1.410^−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight. Find the magnitude of the electric field. Find the direction of the electric field. If the the electric ...
January 23, 2012 by Cooper

calculus
A competing technology uses a photovoltaic cell to charge a battery which can then be used to power a LED light. To compare these technologies, we make some reasonable assumptions. We assume the solar cell is 10 cm on a side, and that it has an efficiency of 15%. We assume the...
December 18, 2013 by Danny Simone

chemistry
A competing technology uses a photovoltaic cell to charge a battery which can then be used to power a LED light. To compare these technologies, we make some reasonable assumptions. We assume the solar cell is 10 cm on a side, and that it has an efficiency of 15%. We assume the...
December 18, 2013 by Danny Simone

physic
1. A surface charge can be produced on insulators by a. grounding b. induction c. polarization d. contact 2. Unlike insulators, conductors can be charged by a. grouding b. induction c. polarization d. contact The easy way to charge an insulator is by contact. Insulators cannot...
March 29, 2007 by Jannie

Physics (help steve)
Exact solutions for many-body problems are rarely encountered in physics. The following problem deals with a non-trivial motion of four charges. Due to the symmetry of the problem it is possible to determine the trajectories of the charges analytically. Four identical ...
July 9, 2013 by Kay

SCIENCE,PHYSICS
Exact solutions for many-body problems are rarely encountered in physics. The following problem deals with a non-trivial motion of four charges. Due to the symmetry of the problem it is possible to determine the trajectories of the charges analytically. Four identical ...
July 10, 2013 by GT

please help
You know that a cetrain electroscope is charged because the foil extends when there is nothing near to influence it. when a balloon rubbed with fur is brought near (but not near to change the net charge on the electroscope), the gold foil is seen to move slightly downward. Is ...
January 15, 2009 by jen

chem
how many protons, nnutrons, atomic mass, mass number, and charge to each of the following have? sodium atom fluorine ion stannic ion for sodium i have protons=11 electrons=11 neutral charge how do i find the number of neutrons cause im pretty sure mass number is protons plus ...
January 7, 2009 by lyne

physics
A point charge of 2.4 μC is located at the center of a spherical shell of radius 17 cm, which has a charge −2.4 μC uniformly distributed on its surface. Given: ke = 8.98755 109 Nm2/C2 . a)Find the electric field for all points outside the spherical shell. b)...
September 19, 2011 by alex

Physics
One gram of palladium has 5.6610^21 atoms, and each palladium atom has 46 electrons. How many electrons are contained in 7.00g of palladium? The elemental charge is1.610^−19C. Answer in units of electrons. The answer is 1.82252x10^24 for Part A. i need help with part B...
February 8, 2015 by Danny

physics
One gram of palladium has 5.6610^21 atoms, and each palladium atom has 46 electrons. How many electrons are contained in 7.00g of palladium? The elemental charge is1.610^−19C. Answer in units of electrons. The answer is 1.82252x10^24 for Part A. i need help with part B...
February 8, 2015 by Danny

Physics ASAP PLease
A spherical capacitor consists of a spherical conducting shell of radius b and charge -Q concentric with a smaller conducting sphere of radius a and charge +Q . Enter an expression for the capacitance of this device in terms of Coulomb's Constnat K_e (just type "k") and the ...
November 6, 2013 by asha

Economics
Suppose that a movie theater owner faces the demand curve given by P=10-.001Q where P is the price of a ticket in dollars and Q is the number of tickets sold per week. Suppose that all the cost associated with the theater other than film costs do not vary with the number of ...
November 14, 2009 by Brad

Algebra
You are choosing between two long distance telephone plans. One plan has a monthly fee of $15 with a charge of $.05 per minute. The other plans has a monthly fee of $5 with a charge of $.07 per minute. For how many minutes of long-distance calls with the cost for the two plans...
February 2, 2012 by lolo

Science
Use the electron theory to explain how one object can be negatively charged and another can be positively charged. help If electrons are negative, removing them will leave a net positive charge (net meaning fewer negative electrons than postivite protons). Remember, in normal ...
November 29, 2006 by Nicka

Physics
q1= 25 pC q2 = -75 pC A) calculate the magnitude of the electric force between the two charges B) Is the force attractive or repulsive? C) calculate the magnitude and direction of E1 *( there is an arrow above E1) , the electric field at the orgin due to charge q1. D) ...
April 12, 2011 by Angela Britt

PHYSICS
Two point charges, 6.0 C and -2.0 C, are placed 6.0 cm apart on the x axis, such that the -2.0 C charge is at x = 0 and the 6.0 C charge is at x = 6.0 cm. (a) At what point(s) along the x axis is the electric field zero? (If there is no point where E = 0 in a region, enter...
February 24, 2010 by SHUBHANGI

Pre Calc
A plumber charges $40 per hour for labor with a minimum labor charge of $30. For example, if she does her repairs in only 0.2 hours, then $40*0.2=$8, which is less than the minimum, so she would charge $30 for labor. We will assume she can repair any problem in one day a ...
February 6, 2012 by Maddie

physics
I want to understand this concept more than anything so advice as well as hints to solve this problem are greatly appreciated. 26. Two fixed charges, -4.0E-6 C and -5.0E-6 C, are separated by a certain distance. a) is the net electric field at a location halfway between the ...
July 5, 2011 by Sarah (C)

Physics
There are four charges, each with a magnitude of 2.65 microcoulombs. Two are positive and two are negative. The charges are fixed to the corners of a 0.408-m square, one to a corner, in such a way that the net force on any charge is directed toward the center of the square. ...
July 18, 2012 by JJ

College Physics
A charged particle is hanging from the side of a wall by means of an uncharged string. The wall has a negative charge producing a horizontal electric field. The particle has a mass of .01 Kg. and charge of -80(micro)C and is suspended by a string .3m long. The electric force ...
October 11, 2011 by Adam

physics
he question is: A spherical capacitor contains a solid spherical conductor of radius 0.5mm with a charge of 7.4 micro coulombs, surrounded by a dielectric material with er = 1.8 out to a radius of 1.2mm, then an outer spherical non-conducting shell, with variable charge per ...
May 1, 2011 by Josh

physics
If the field strength is E = 9 V/m a distance of 1 m from the charge, what is the field strength E a distance of 3 m from the charge?
February 4, 2014 by jrfannin

Physics
Four capacitors are connected in series with a battery, as in the figure below, where C1 = 3.24 F, C2 = 6.11 F, C3 = 12.1 F, C4 = 25.0 F, V = 18.4 V. (a) Calculate the capacitance of the equivalent capacitor. F (b) Compute the charge on C3. C (c) Find the voltage drop ...
September 17, 2010 by Max

Physics
Two electrostatic point charges of +60.0 uC and +50.c uC exert a repulsive force on each other of 175 N. What is the distance between the two charges? So let's say I use Coulomb's law would the repulsion of 175 N be considered the equivalent of the electric force? Can someone ...
January 17, 2011 by Pablo

Chemistry
Write the balanced half reaction for the reduction and oxidation reactions for the redox reaction: 2 Mg (s) + O2 (g) -> 2 MgO (s) Notice: for this question you do not have to include a charge of zero and you do not have to include the states. Below is an example of the form...
January 13, 2015 by Meghan

physics
1. Suppose that the strength of the electric field about an isolated point charge has a certain value at a distance of 1 m. How will the electric field strength compare at a distance of 2 m from the point charge? I know it's At twice the distance the field strength will be 1/4...
July 14, 2010 by anonymous

Physics-Gauss' Law, hard
Thank you Damon for answering my first questions fast and accurately. Do you or anybody else know how to do these harder Gauss' Law Problems? 1. A solid metal sphere of radius R has charge +2Q. A hollow spherical shell of radius 3R placed concentric with the first sphere has ...
March 23, 2008 by Bobby

physics
In the Millikan oil drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates. Some of the droplets pick up one or more excess electrons. The charge on the plates is adjusted ...
January 24, 2010 by James

physics
charge q1=+4.00nc is located at x=0.200m, and q2 =+5.00nc is at x=-0.300 m. what are the magnitude and directionof the net force exerted by these two charges ona negative point charge q3 = -0.600 nc placed at the origin ? I think I need to find the F of q1q3 then find the F of...
February 14, 2013 by yanis

algebra
Company A rents copiers for a monthly charge of $360 plus 12 cents per copy. Company B rents copiers for a monthly charge of $720 plus 6 cents per copy. What is the number of copies above which Company A's charges are the higher of the two?
July 20, 2013 by anna

math
Make a table to answer Problems 2728. (3-5) Two shipping companies charge different amounts to mail packages. Company A charges an initial $5 fee, and each pound shipped is an additional $1. Company B charges an initial $3 fee, and $1.50 for each pound shipped. 27. At what ...
November 19, 2011 by ducky

Physics
Two circular metal disc each of 3.00 cm diamter are 1.5 mm apart make a capacitor. A)What is the capacitance of this capacitor if it is in series to a 25 V battery? B)What is the magnitude charge developing on each plate? C)While the batter remains connected, the plates are ...
March 28, 2012 by Tim Cooper

Physics
There is a figure with a +2.0 UC charge on the left and a -2.0 uC charge on the right. P is in the center between the two charges. They are 5.0 cm apart. 1) Find the electric field 5.0 cm to the left of P. 2) Find the electric filed 5.0 cm directly above P. 3) Find the ...
August 19, 2009 by Sammy

Calculus Max Profit
To make pom poms in our school colors, we will have expenses of $100 to rent the Acme PomPom Plant, and then $0.25 per pom pom in materials. We believe that we can sell 500 pom poms if we charge $1.50. Assume the number sold is a linear function of the price. How much should ...
August 2, 2012 by Ronny

biology
Imagine you and a friend have robbed the Union Market. You are caught speeding out of the parking lot and are promptly apprehended by Campus Security. A scuffle ensues and you are both charged with resisting arrest. They isolate the two of you so that you may be questioned ...
October 9, 2008 by Vishnu

Algebra
Marys yard is a mess. She needs to hire someone to prune her trees and shrubs. A landscaping service she calls quotes her a price of $15 consultation fee plus $8 an hour for the actual work. Marys neighbor has offered to help her out. She doesnt charge a consultation fee, ...
October 23, 2013 by Faith

Physics
Consider the limit of large distances, where a finite charged rod is observed at a distance that is very large when compared to the length of the rod. In this situation, the electric field best resembled that of a ... point charge ... it goes like r^-2 infinite line ... it ...
February 14, 2010 by Sandra

Physics - Help!
A television set shoots out a beam of electrons. The beam current is 10E-6Amp (10macroAmp. How many electrons srike the TV screen each second? How much charge strike the screen in a minute? An ampere is a coulomb of electrons per second. If you divide that by the charge on one...
April 17, 2007 by Mazino

math
1. Calculate the interest charge on a $5,000 balance with your current 16.5% annual interest rate. 2. Calculate the interest charge on a $5,000 balance with the Visa Student Cards annual interest rate of 10.8%.
May 7, 2013 by Mary

physics
A charge of -3.95C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.135 m). The charges on the circle are -5.90C at the position due north and +4.27C at the position due east. What is (a) the magnitude and (b) ...
May 20, 2012 by BM

Physics
A charge of -3.00 C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.120 m). The charges on the circle are -4.40 C at the position due north and +5.00 C at the position due east. What is the magnitude and ...
April 11, 2012 by Adie

physics
A charge of -3.00 C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.115 m). The charges on the circle are -4.70 C at the position due north and +5.00 C at the position due east. What is the magnitude and ...
April 26, 2015 by Anonymous

chemistry
1. Need help Assigning oxidation numbers. Is it true that wehn looking at atoms in compounds from group 1 or 2 they are given the oxidization number which is the same as there charge example NaCl Na has an oxidization number of 1? But is this also true for atoms in compounds ...
July 23, 2009 by micheal

Chemistry
I am having a lot of trouble understanding acid-base reactions. I was able to struggle through most of the homework, but I'm not usre about these questions. 1) Can an acidic solution be made less acidic by adding an acidic solution? 2) Pennies manufactured after 1982 are made ...
December 4, 2009 by Mary

Physics please clarify
Posted by Mary on Monday, September 3, 2007 at 12:40pm. download mp3 free instrumental remix A charge of +2q is fixed to one corner of a square, while a charge of -3q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should be fixed to the center...
September 4, 2007 by Mary

umt
2. A charge of -3.00 C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.1 m). The charges on the circle are -4.0 C at the position due north and +5.0 C at the position due east. What is the magnitude and ...
October 26, 2011 by roy

physics
A battery is attached across several different capacitors connected in series. Which of the following statements are true? 1 The capacitor with the largest capacitance carries the largest charge. All the capacitors have the same charge, and the equivalent capacitance is ...
January 29, 2010 by Cal

physics
REALLY NEED HELP WITH THIS PLEASE. One gram of palladium has 5.6610^21 atoms, and each palladium atom has 46 electrons. How many electrons are contained in 7.00g of palladium? The elemental charge is1.610^−19C. Answer in units of electrons. The answer is 1.82252x10^24 ...
February 8, 2015 by Danny

Chemistry
Oxidation State numbers For Fe3+ i got 3+ b/c Oxidation state monatomic ion = ionic charge and i got that answer wrong. i am receiving wrong answers for these below aswell. I used these rules for the following -Alkali metals are always +1; alkaline earths are always +2. -Sum ...
October 5, 2010 by Jerry

Chemistry
In 1909, Robert Millikan performed an experiment involving tiny, charged drops of oil. The drops were charged because they had picked up extra electrons. Millikan was able to measure the charge on each drop in coulombs. Here is an example of what his data may have looked like...
March 4, 2010 by Syeda

physics
A wire of radius one meter is centered on the origin in the xy plane. This wire carries a total charge of +Q. Another wire of length two meters runs along the z-axis and is centered at the origin. It carries total charge -Q. What is the electric field vector at any point on ...
April 20, 2012 by allan

Physics-Totally lost
I'm totally lost on this one- the earth is surrounded by an electric field with a strenth of 100 N/C at the surface. Its electric properties are the same as a point charge located at its center. How would the gravatational force and electrical force compare foor an electron at...
April 7, 2011 by Rafaela

phYsics
Consider three charged particles placed along the x-axis. The particle with q1 = 9.27 nC is at x = 7.66 m and q2 = 4.82 nC is at x = 2.64 m. Where must a positive charge, q3, be placed such that the resultant force on it is zero? I know F3= F13+ F23 (net force on charge q3 = ...
April 7, 2010 by echem

Physics
I had a two part question in which I'm fairly sure I did the first part correct, but part b I am unsure about. For part a, I had to determine the magnitude of the net electric field at the origin, which I got E= 1.7 X 10^7 N/C. Part b)if a point charge of 3 C was placed at ...
July 23, 2012 by Janah

Physics
A charge of -3.66C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.0978 m). The charges on the circle are -4.04C at the position due north and +6.20C at the position due east. What is (a) the magnitude and (b) ...
March 18, 2013 by Ashley

physics
Two point charges, 4.0 C and -2.0 C, are placed 5.4 cm apart on the x axis, such that the -2.0 C charge is at x = 0 and the 4.0 C charge is at x = 5.4 cm. (a) At what point(s) along the x axis is the electric field zero? (If there is no point where E = 0 in a region, enter...
February 5, 2012 by anybody

physics
Two point charges, 4.0 C and -2.0 C, are placed 4.4 cm apart on the x axis, such that the -2.0 C charge is at x = 0 and the 4.0 C charge is at x = 4.4 cm. (a) At what point(s) along the x axis is the electric field zero? (If there is no point where E = 0 in a region, enter...
February 9, 2012 by Conor

Algebra help
Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening graphically, where the services are charging same rate? : Your company must use a transportation service to shuttle their corporate partners from the ...
December 17, 2009 by H

Physics
A thick metal slab carries a current I as shown. A uniform magnetic field B points perpendicular to the slab (and into the page). If point P on the slab is at a higher potential than point Q , what can we say about the charge carriers that produce the current in the slab? a....
December 16, 2013 by Hola

pvc aluminum charge
If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain (hint: can the PVC give charge to the aluminum?) ...
January 13, 2009 by kaylee

Math
Tim Worker buys a new sofa for $549.95. He pays 20% down and takes an installment loan to complete the purchase. He makes 12 payments which include his principal and a $50.00 finance charge. What is the APR on his loan? The down payment is $ The amount financed is $ The ...
July 8, 2013 by sarah

Physics
Consider the series RLC circuit in which R2<4L/C (underdamped). Assume that at t=0 , the charge on the capacitor has its maximum value. (a) The differential equation obeyed by the potential across the capacitor can be written in the following form d2V/dt2+a*dV/dt+b*V=0 a) ...
May 1, 2013 by rishabh gupta

Physics Electric Force
Particle A of charge 2.76 10-4 C is at the origin, particle B of charge -6.54 10-4 C is at (4.00 m, 0), and particle C of charge 1.02 10-4 C is at (0, 3.00 m). We wish to find the net electric force on C. (a) What is the x component of the electric force exerted by A on C? (b...
April 11, 2013 by Alex

Science
If barium ions (Ca^2) have a charge of 2 + and hydroxide ions (C1^1) have a charge of 1-, the compound calcium chloride is? a)Ca2C1 b)CaC1 c)CaC12 d)Ca2C12 Those are "ells" and not "1s". What's with the barium ions (Ca^2) and hydroxide ions (Cl^1)? Ba ions are Ba^+2 and ...
May 29, 2007 by Anonymous

chemistry
which element would have 2 electrons and +1 charge which element would have 18 electrons and +3 charge.
February 8, 2012 by hadley

physics
The plates of a parallel plate capacitor each have an area of 0.40 m2 and are separated by a distance of 0.02 m. They are charged until the potential difference between the plates is 3000 V. The charged capacitor is then isolated. How much work is required to move a 4.0 C ...
October 12, 2006 by kevin

pHYSICS
Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge accumulates on the driver's...
February 4, 2013 by PLEASE HELP

PHYSICS
Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge accumulates on the driver's...
February 4, 2013 by PLEASE HELP

PHysics 2
Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge accumulates on the driver's...
February 5, 2013 by PLEASE HELP

PHYSICS
Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge accumulates on the driver's...
February 6, 2013 by PLEASE HELP

physics ^^^^^^^^^
Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge accumulates on the driver's...
February 7, 2013 by PLEASE HELP

PHYSICS 2
Near San Francisco, where the vertically downward component of the earth's magnetic field is 6.8 x 10-5 T, a car is traveling forward at 17 m/s. The width of the car is 2.1 m. Find the emf induced between the two sides of the car. If positive charge accumulates on the driver's...
February 8, 2013 by PLEASE HELP

math
Tim Worker buys a new sofa for $629.95. He pays 25% down and takes an installment loan to complete the purchase. He makes 12 payments which include his principal and a $60.00 finance charge. What is the APR on his loan to the nearest tenth? The down payment is? The amount ...
April 12, 2014 by Anonymous

chemistry
Really need help on figuring out the formula for Iron Complex. The question was: 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2*SO4*6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. I got the moles of ferrous ammonium sulfate but I ...
November 28, 2010 by Nika

Physics
Charged particles such as ions can separate the charges inside of overall electrically neutral atoms, thus making an electric dipole. A dipole is characterized with a dipole moment p=αEexternal, where α is the polarizability of an atom, and Eexternal is the external ...
July 1, 2013 by Mary

Physics
A charge is located at and a charge is located at . Thus the separation between the two charges is . The total electric field on the axis can be written as (a) What is the direction of the total electric field at any point on the axis where ? (b)What is as a function of for...
February 24, 2013 by P

consumer math
Tim Worker buys a new sofa for $629.95. He pays 25% down and takes an installment loan to complete the purchase. He makes 12 payments which include his principal and a $60.00 finance charge. What is the APR on his loan to the nearest tenth? The down payment is $ The amount ...
April 16, 2014 by benny

trig/physics
Three positive particles of equal charge +11.o micro C, are located at the corners of an equilateral triangle of sides 15.0cm. Calculate magnitude and direction of the net force on each particle. DUUUUUUUUUH! THIS IS SO EASY! LOOK IN YOUR BOK, IDIOTIC DUDE! R U A BOY AND HOT, ...
February 1, 2007 by matt

Chemistry
What properties differ between the elements in the akali metals and the elements in the akaline earth metals? The akali metals have a charge of 1+, and the akaline earth metals have a charge of 2+.
September 13, 2010 by Anonymous

Physics
A positive charge Q is on the y-axis at a distance a from the origin, and another positive charge q is on the x-axis at a distance b from the origin. A) For what values(s) of b is the x-component of the force on q a minimum? B) For what values(s) of b is the x-component of the...
September 6, 2011 by Patrick

Physics
A positive charge Q is on the y-axis at a distance a from the origin, and another positive charge q is on the x-axis at a distance b from the origin. A) For what values(s) of b is the x-component of the force on q a minimum? B) For what values(s) of b is the x-component of the...
September 6, 2011 by Patrick

physics
A thin nonconducting rod is bent to form a semi-circle of radius R. A charge Q is uniformly distributed along the upper half and a charge -Q is uniformly distributed along the lower half, as shown int he sketch at the right.find E vector at P, the center of the semi-circle. ...
September 13, 2010 by peter

physics 2
A thin nonconducting rod is bent to form a semi-circle of radius R. A charge Q is uniformly distributed along the upper half and a charge -Q is uniformly distributed along the lower half, as shown int he sketch at the right.find E vector at P, the center of the semi-circle. ...
September 13, 2010 by peter

Physics
1) Charges of +4uC and -6uC are placed at two corners of an equilateral triangle with sides of 0.10m. At the third corner, what is the electric field magnitude created by these two charges? A]4.5 x 10e6 N/C B]3.1 x 10e6 N/C C]1.6 x 10e6 D]4.8 x 10e6 2)A +2.0 nC pont ahrge ...
February 3, 2011 by Andrew

Physics
In a vacuum, two particles have charges of q1 and q2, where q1 = +3.8C. They are separated by a distance of 0.37 m, and particle 1 experiences an attractive force of 4.7 N. What is the value of q2, with its sign? Two spherical objects are separated by a distance of 1.45 10-3...
August 26, 2013 by Liz

Accounting
In 2000, purchased land for $5,600,000 that had a natural resource supply estimated at 4,000,000 tons. When the natural resources are removed, the land has an estimated value of $640,000. The required restoration cost for the property is estimated to be $800,000. Development ...
February 13, 2009 by Cindy

Physics
Two point charges are placed on the x axis. The charge +4q is at x=3.00 m, and the -q charge is at x=-3.00. a) There is a point on the x axis between the two charges where the electric potential is zero. Where is this point? Found it to be: -1.80m b) The electric potential ...
February 12, 2011 by Rachel

Physics
The electric field at the point x=5.00 cm and y=0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x=10.0 cm and y=0, the electric field points in the positive x direction with a magnitude of 15.0 N/C. Assuming the field is produced by a single ...
February 7, 2010 by Katherine

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