Monday
July 28, 2014

Search: A charge of -3.50 nC..

Number of results: 4,244

physics
If three unequal capacitors, initially uncharged, are connected in series across a battery, which of the following statements is true? 1 The equivalent capacitance is greater than any of the individual capacitances. The capacitor with the smallest capacitance has the smallest ...
January 29, 2010 by Cal

English
I had to rewrite sentences so that there were no longer fragments are they correct? 1. The idea of a credit card first appeared in 1887, according to Lawrence M. Ausbel, author of “Credit Cards,” in the McGraw- Hill Encyclopedia of Economics. 2. Originally an imaginary concept...
September 5, 2010 by keisha

Physics
A charge-Q is located at x=-l/2 and a charge +Q is located at x=l/2 . Thus the separation between the two charges is l . The total electric field on the x axis can be written as E(x)=E(x)d^ (a) What is the direction d^ of the total electric field at any point on the x axis ...
February 25, 2013 by P

Physics
A charge-Q is located at x=-l/2 and a charge +Q is located at x=l/2 . Thus the separation between the two charges is l . The total electric field on the x axis can be written as E(x)=E(x)d^ (a) What is the direction d^ of the total electric field at any point on the x axis ...
February 27, 2013 by Anonymous

Physics
A charge of 1nC is added to a spherical soap bubble with a radius of 3.0cm. What is the electric field strength just outside of the bubble? What is the electric field strength just inside of the bubble? The field experienced by each charge in the skin of the bubble is the ...
October 11, 2013 by Winter

physics
You have a parallel plate capacitor (with air between its plates) which is attached to a voltage source until the capacitor is fully charged. (a)After detaching the capcitor from the voltage source, you move the capacitor's plates farther apart; which of the following will ...
March 20, 2012 by Rebecca

chemistry
Can someone please help me with these? Write formulas for the following compounds. copper (III) chlorate lead (II) nitrate Cu(ClO3)3 Pb(NO3)2 Do you know the polyatomic ions? Tell us what you don't understand about looking at the periodic table and doing these; perhaps we can ...
February 13, 2007 by Florencia

science
A 1.98 10-9 C charge has coordinates x = 0, y = −2.00; a 2.73 10-9 C charge has coordinates x = 3.00, y = 0; and a -4.95 10-9 C charge has coordinates x = 3.00, y = 4.00, where all distances are in cm. Determine magnitude and direction for the electric field at the ...
January 9, 2013 by algebra

Math
Your credit card has a balance of $1000 and an interest rate of 21%. Each month you make the minimum requirement of $20. During January 10 through February 9 billing period you pay the minimum required payment on january 25th. find the average daily balance, finance charge, ...
May 22, 2014 by Anonymous

Mathis
Cindy cellular phone service has a monthly charge of $32.99 but adds a service charge of $0.79 per minute for calls made out of her local service area. Cindy has budget herself $45 per month for using her cell phone. What is the maximum number of minutes per month that Cindy ...
August 21, 2013 by Haron

algorithm&pseudocode
write an algorithm for each of these two problems in pseudocode.(20 points each) Mrs. Smith is on a cruise to the Bahamas. On a rainy day, she decides to go to the casino bar and play blackjack. She pays a $5.00 cover charge to enter the casino bar. She plays at one table, ...
March 3, 2010 by hahn

Physics-Please help!
I don't want someone to do this for me-I'm just totally lost and don't even know where to start-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 ...
April 7, 2011 by Rafaela

Physics
If 500 J of work are required to carry a charged particle between two points with a potential difference of 40V, the magnitude of the charge on the particle is: a) 0.040 C b) 12.5 C c) 20C D) cannot be computed unless the path is give e) none of these My solution: I used the ...
March 12, 2007 by susane

physics
One particle has a mass of 3.38 x 10-3 kg and a charge of +7.76 ěC. A second particle has a mass of 8.46 x 10-3 kg and the same charge. The two particles are initially held in place and then released. The partcles fly apart, and when the separation between them is 0.159 m, the...
March 4, 2009 by sara

Physics-Charges
A wall has a negative charge distribution producing a uniform horizontal electric field. A small plastic ball of mass 0.0261 kg, carrying charge of −102 μC, is suspended by an uncharged, nonconducting thread 0.369 m long. The thread is attached to the wall and the ...
March 7, 2012 by Joila

biology
WHAT CHARGE ARE PROTONS
September 7, 2010 by ME

physics
what is the charge of +11mC
September 21, 2010 by john

chem8th
The charge of an electron is a. -2. b.-1. c.0. d.+1.
November 4, 2013 by bigurl1.4

physics
Two point charges, q1 and q2, are placed 0.30 m apart on the x-axis, as shown in the figure above. Charge q1 has a value of –3.0 x 10–9 C. The net electric field at point P is zero Q: Calculate the magnitude of charge q2. Q: Calculate the magnitude of the electric force on q2 ...
February 23, 2012 by Kayberlynn

Physics
Hi, i need help on the following questions. Thank you. 1) The potential at location A is 441 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 805 V, and when released from rest from this spot...
September 19, 2006 by Kevin

physics
There's a problem my professor assigned, but I'm not sure which equation/process I should use to solve it. Please help. Two particles having charges of 0.420nC and 15.1nC are separated by a distance of 1.50m. At what point along the line (in m from the particle with .420nC ...
February 2, 2010 by Nicole

physics
please check these for me: If atmospheric refraction did not occur, how would the apparent time of sunrise and sunset be changed? a. both would be later b. both would be earlier c. sunrise would be later, and sunset would be earlier d. sunrise would be earlier, and sunset ...
March 12, 2009 by physics

chem again
One more question- how do I balance this half-reaction in terms of atoms? MnO4^-(aq) -> MnO2 (s) i can't balance the oxygen I have no idea! Here is how to do it. It isn't the easiest method (there are easier ones) but this covers areas that you need to know. And this MUST ...
October 19, 2006 by Dan

physics
A 9 V battery is connected in series with a 100 Ω resistor and 12µF capacitor. The capacitor is initially uncharged. What is the capacitive time constant of the circuit? How much charge q(t) is in the capacitor after two time constants?. What is the limiting value of the...
March 8, 2012 by Anonymous

Physics
The figure below shows two pint charges, each of -2Q, fixed on the y-axis at y = +a and at y = -a . A third points charge -Q is placed on the x-axis at x = 2a . Express all algebraic answers in terms of Q, a, and fundamental constants. (a) What is the net force (magnitude and ...
September 5, 2010 by David

physics
Three point charges, q1, q2, and q3, lie along the x-axis at x=0, x=3 cm, and x=5 cm, respectively. Calculate the magnitude and direction of the electric force on each of the three points when q1=+6.0 muC, q2=+1.5 muC, and q3=-2.0 muC. I would add the forces. Watch direction. ...
April 11, 2007 by Mischa

PHYSICS
In the early 1900s, Robert Millikan used small charged droplets of oil, suspended in an electric field, to make the first quantitative measurements of the electron’s charge. A 0.67-um-diameter droplet of oil, having a charge of +e, is suspended in midair between two horizontal...
March 6, 2010 by JOTHEY

Physical Science
Need help with these questions: 1.When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the calcium ion? A.-2 B.-1 C.+2 D.+1 2.Which particle builds a static electrical charge when it is transferred from one object to the other? A.proton B....
May 22, 2009 by mysterychicken

Physics 221
Two fixed charges -4.0 C and -5.0 C, are separated a certain distance. a) Is the net electric field at a location halfway between the two charges: 1) directed toward the -4.0 C charge 2) Zero 3) directed toward the -5.0 C charge b) If the charges are separated by 20 cm, ...
December 30, 2013 by Jamaal

science
A small ball with a mass of 30.0 g and a charge of −0.200 μC is suspended from the ceiling by a string. The ball hangs at a distance of 5.00 cm above an insulating floor. If a second small ball with a mass of 50.0 g and a charge of 0.400 μC is rolled directly ...
September 17, 2012 by alia

physics
A small ball with a mass of 30.0 g and a charge of −0.200 μC is suspended from the ceiling by a string. The ball hangs at a distance of 5.00 cm above an insulating floor. If a second small ball with a mass of 50.0 g and a charge of 0.400 μC is rolled directly ...
September 17, 2012 by alia

chemistry
Why is the formal charge on B in BF4- is 1?
December 4, 2007 by Km

english
Which of the craftsmen is in charge of the rehearsals?
November 17, 2008 by jake

Physics
How many electrons make up a charge of -30.0 ěC?
May 12, 2010 by Laila

CHEM
what is the charge of a PHOSPITE ? and how do i write it?
September 26, 2010 by OLGA

science
what is the charge on an aluminum ion?
October 18, 2010 by mic

chem
what is the name of ONO and what is its charge
December 1, 2010 by anon

computers
How many coulombs of charge do 30 10^31 posses?
January 6, 2011 by Anonymous

physics
Can a body have a charge of 4.8*10 20 c
April 5, 2012 by Anonymous

chemistry
a. What is the net charge on valine at pH 1? b. at pH 7? c. at pH 14?
April 26, 2012 by krystal

biochemistry
a. What is the net charge on valine at pH 1? b. at pH 7? c. at pH 14?
April 27, 2012 by krystal

Electricity
when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the crystal. The electron...
August 20, 2005 by angela

physics
Given two particles with 2.00 micro coulomb charges as shown and a particle with a charge q=1.28x16-18C at the origin. (A)What is the net force exerted by the two 2.00 micro coulomb charges on test charge q? (B)What is the electric field at the origin due to the two 2.00micro ...
September 21, 2009 by sandhu

Physics and Calculus
Consider a charged ring of radius 27 cm and total charge 15 nC. We are interested in the electric field a perpendicular distance z away from the center of the ring. At what distance from the center of the ring does the electric field become maximum? Hint: The field for a ring...
February 15, 2010 by Sandra

math
Sam received a $290 discount loan to purchase a stereo. The loan was offered at 16% for 90 days. Find the interest in dollars and the proceeds for the following problem. The interest is $12.60, $11.60, or $10.60 ? The proceeds are $279.40, $278.40, or $277.40 ? Curtis ...
January 26, 2010 by Kendra

how do protons move during electrophoresis
During electrophoresis, protons move in the same direction as DNA. do not move at all. move in the opposite direction as DNA. move randomly. I am thinking they move in the same direction as DNA or am I wrong? DNA travels in accordance with its principal charge, negative, the ...
October 22, 2006 by Kellie Jo

Physics
Three parallel plate capacitors (C1,C2 and C3 ) are in series with a battery of 100 V. C1=2500 micro Farad; C2=2C1 , C3=3C1 . (a) What is the potential difference over each capacitor and how much charge is on each capacitor? Across C1 :V1 (in Volts) = incorrect Q1 (in C) = ...
March 13, 2013 by P

chemistry
What is the oxidation state of S in Rb2SO4? is the charge = 0?
November 25, 2007 by Meg

sci
what is an atomic particles with a negative charge???
May 28, 2008 by sam

biology
Which part of an atom has a positive charge?
December 11, 2008 by Hi There

math
What is finance charge and how do you figure it out?
January 8, 2009 by xboxwee

science
how can a plastic ruler get a positive charge?
January 26, 2010 by robin

chemistry
the weight and charge of and electron is respectively o and -1 1 and 0 1 and -1 0 and +1
October 11, 2010 by kaiya

English
I need a poem on If I were in charge of the world.
January 30, 2011 by Adraian

Science
Why does an ion have an electrical charge?
September 5, 2011 by Sami

economics
What do brokerage firms charge fees on
April 17, 2012 by karla

chemistry
What is the net charge on Phe-Asp at each pH? a. pH 1 b. pH 7 c. pH 14
April 26, 2012 by krystal

biochemistry
What is the net charge on Phe-Asp at each pH? a. pH 1 b. pH 7 c. pH 14
April 27, 2012 by krystal

physics
why and how does the blowing snow charge the fences?
November 8, 2012 by katrina

chemestry
what is the charge on an ion with 25 protons and 29 electrons?
November 28, 2012 by Anonymous

AP Chemistry
Formal charge: When do you use it? How is it calculated?
February 21, 2013 by Kenzi

AP Chemistry
Formal charge: When do you use it? How is it calculated?
February 21, 2013 by Kenzi

science
What caused by matter that has an electric charge?
March 25, 2013 by ttuuffyy

physics
In the circuit below, at time t = 0, the switch is closed, causing the capacitors to charge. The voltage across the battery is 12 V The circuit: flickr. com/photos/ 68751220@N03 /6848519773/ A)Calculate the time constant for the RC circuit B)Calculate the time required for the...
July 27, 2012 by Dan

physics
What must the charge (sign and magnitude) of a particle of mass 1.47g be for it to remain stationary when placed in a downward-directed electric field of magnitude 690N/C ? Use 9.81m/s2 for the magnitude of the acceleration due to gravity. PART B What is the magnitude of an ...
February 4, 2014 by jrfannin

chemistry
in the formula for calcium bromide (CaBr2), what does the subscripted two indicate? A. the bromide atom has a charge of 2- B. the bromide atom has a charge of 2+ C. there are two bromide atoms for every calcium atom. D. there are two calcium atoms for every bromide atom I say C.
November 20, 2012 by drew

Physics help
In Millikan's experiment, an oil drop of radius 1.516 µm and density 0.860 g/cm3 is suspended in chamber C (Figure 22-14) when a downward-pointing electric field of 1.92 105 N/C is applied. Find the charge on the drop, in terms of e. (Include the sign.) Calulate the mass of ...
February 15, 2007 by Frank

ALGEBRA
I was given a series of questions I got through all but the last point. I need help on letter L, not figuring out how to solve, just how to write it in an equation. Here is the main problem and sub problems and answers, Your company must use a transportation service to shuttle...
December 17, 2009 by anonymous

Math 0098
A theater group made appearances in two cities. The hotel charge before tax in the second city was $1000 lower than in the first. The tax in the first city was 5.5% , and the tax in the second city was 5%. The total hotel tax paid for the two cities was $501.25 . How much was ...
March 7, 2013 by Anonymous

Physics
Two infinitely long slits, S1 and S2, each of width d=0.1 cm are used to prepare a box-shaped electron beam with energy E=400 eV. At what distance x from the slit S2 will the thickness of this electron beam double due to Coulomb's repulsion? The linear density of electron ...
April 4, 2010 by Anna

Physics 1112 Electric charge
As shown in the figure, a square has sides of 8.0 cm with a charge of +6.0 µC at one corner (a) and with charges of -2.0 µC at the remaining three corners (b, c, and d). The figure is just a square with no measurements. Corner a being the top left corner, corner b top right ...
August 21, 2010 by Sar

Vba
A babysitter takes care of 20 kids. When taking care of all the kids she gets paid $50 per kid. However, for every $5 more she charges, a kid leaves. How many kids should she babysit to max her profit? I want to write a code that asks user to enter the charge per kid when ...
July 8, 2013 by Dom

Physics
I have been unable to find text references for this material in my book: The problem gives me two spheres, Sphere A has unevenly distributed negative charges, Sphere B has negative charges distributed almost evenly near the edge of the sphere, forming a circle inside the ...
June 4, 2008 by BAdams

physics
During a lighting discharge, 30C of charge move through a potential difference of 1.0 X 10^8V in 2.0X10^-2s. The energy released by this lighting bolt is: a)1.5 X 10^11 J b) 3.0 X 10^9 J c) 6.0 X 10^7 J d) 3.3 X 10^6 J e) 1500 J Ok I am not really sure what equation to use for...
March 12, 2007 by susane

Math
A theater group made appearances in two cities. The hotel charge before tax in the second city was $1000 higher than in the first. The tax in the first city was 4% , and the tax in the second city was 7% . The total hotel tax paid for the two cities was $455 . How much was the...
April 1, 2013 by jess

Physics
HOw many electrons make up a charge of -30 micro coulombs???
January 7, 2008 by HELP!!!!

Physics
"How can you tell the charge on the VanDer Graf generator is - ?"
March 31, 2008 by TP

science
How does an electroscope detect an electric charge on an object?
May 21, 2008 by sam

chemistry
What element is 2s^2sp^3? (^# is the superscript) And what is the charge of the ion?
December 1, 2008 by sarahhh

social studies
who is in charge of the legislative and judicial branch?
September 9, 2009 by nobody

US history
how is Pickett's charge an example of new tactics?
March 4, 2010 by rusty

physics
How many coulombs of positive charge are in 3.8 mol of O2 gas?
March 8, 2010 by deb

chemistry
how does electronegativity and charge effect a solutions solubility
September 29, 2010 by don

Chemistry
given the ionic formula X2O What is the charge of X?
November 14, 2010 by HelloHello

chemistry
why is NO equal to nitrogen oxide isn't the charge of N ion +3?
November 18, 2011 by anonymous

chemistry
What is the electron-domain (charge-cloud) geometry of
November 30, 2011 by Anonymous

Chemistry
What is the pH of a 0.01M solution of arginine that has a net charge of -.65?
February 1, 2012 by Ashley

Reading
what was the outcome of the battle in "the charge of the light brigade"
March 13, 2012 by Jabari

cfemistry
what is the lewis structure of c3h502 and the formal charge?
August 7, 2012 by gigi

Physics
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
November 29, 2012 by Karl

Physics
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
December 2, 2012 by Martha

Physics
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
December 2, 2012 by Savannah

Physics
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
December 4, 2012 by Adam

Physics, help!
How many protons are needed to produce a total charge of 2.5*10^-15 C?
January 27, 2013 by Matt

science
if there is 63 protons,89 neutronsand 60 electrons so what is his net charge
November 12, 2013 by mansi

Electricity
A 10 nF capacitor is charged to 5 V. How much charge does it store?
March 27, 2014 by Raisa

physics.
please check my answers. when a lamp is plugged into a 120 V socket, each coulomb of charge that flows in the circuit is raised to a potential engergy of 120 joules? which offers more resistance to water flow, a wide pipe or narrow pipe? I got wide as my answer. Similarly ...
October 25, 2007 by erica

Chem
so I have a set of fill in the blanks for symbol, atomic number, mass number, protons, neutrons electrons and charge. Protons: 6 Neutrons: 8 Electrons: 2 I said the atomic number was 6, the mass number was 12, and the charge was +4. The only thing I was unsure of was the ...
May 28, 2009 by Em

Physics
Three particles have identical masses and identical inital velocities. These particles are projected one at a time into a region in which there is a uniform magnetic field B perpendicular to their velocities. If two of the particles are deflected in opposite directions and the...
April 21, 2008 by Andrea

physics
A spherical shell of radius carries a uniform surface charge density (charge per unit area) . The center of the sphere is at the origin and the shell rotates with angular velocity (in rad/sec) around the -axis ( at the origin). Seen from below, the sphere rotates clockwise. (...
April 27, 2013 by gorv

Pages: <<Prev | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Next>>

Search
Members