# A charge +Q and -2Q were placed on first and third of three very large parallel plates. The middle plate is earthed. Find the chargeon right extreem plate

17,079 questions, page 40
1. ## Math(Help, AssignmentDueToday)

Adora has a photo of the Calgary tower that measures 7cm by 19cm. She scans the photo and enlarges it by 160%. By what percentage will the area of the photo increase? A.) 160% B.) 320% C.) 410% D.) 256% A shop sells a small globe that hangs on a keychain,

asked by Candice on June 28, 2016

Adora has a photo of the Calgary tower that measures 7cm by 19cm. She scans the photo and enlarges it by 160%. By what percentage will the area of the photo increase? A.) 160% B.) 320% C.) 410% D.) 256% A shop sells a small globe that hangs on a keychain,

asked by Candice on June 28, 2016
3. ## Physics

15 At a particular location and time, sunlight is measured on a 1 m2 solar collector with an intensity of 500.0 W. If the peak intensity of this sunlight has a wavelength of 5.60 x 10-7 m, (a) What is the frequency of this light? When you input large

asked by hannah on February 9, 2012
4. ## analytic geometry

the three vertices of a triangle are at A (-4,5), B(-5,3) and C (3,-4), show that the line joining the midpoint of the sides AC and BC is parallel and equal to one-half of AB . solve

asked by rachel on July 16, 2014
5. ## Science

You have a 31.5-volt batteries and a 1ohm, 2ohm, and 3ohm bulb. Draw a parallel circuit that has 2.5 A of total current. What would this look like?

asked by Joe on May 5, 2019
6. ## Science

Draw a circuit diagram of a containing two cells in series, a closed switch, three identical light bulbs in parallel.

asked by Pholelwa on September 10, 2016
7. ## math

In the diagram, transversal GH intersects parallel lines AB amd CD. m

asked by me on January 16, 2013
8. ## English

At the fair, not only can I eat tasty food, but I can also see awesome fireworks. How do i make this a parallel structure using linking words?

asked by cassie on October 16, 2013
9. ## Geometry

If RS is a midsegment of triangle HIT and parallel to side HI, and RS is 2x + 6 and HI is 5x + 9, write and solve an equation to find the lengths of the segments. How do I go about doing this?

asked by Steeb on December 10, 2017
10. ## algebra 1

write an eaguation in slop-intercept form of the line that passes through the given point and is parallel to the graph of the given equation. 8.)2,-2;y=-x-2

asked by Kayla on December 10, 2009
11. ## math slope interceot

write an equation in slope-intercept formof the line satisfying the given conditions: parallel to the graph of 3x-5y=7 andpasses through (0,-6)

asked by Lila on November 2, 2009
12. ## English

Neither the searing pain in my toe nor the blinding rain in my face will keep me from finishing the race. Is this a correct parallel sentence?....

asked by Tatiana on March 12, 2013
13. ## Math

What is true about a cylinder: A. The base is equal to 360° B. There are three parallel planes C. The surfaces are on the shape on a polygon D.There is more than one vertex

asked by Anonymous on June 22, 2015
14. ## Physics

Two trains approach each other on parallel tracks. Each has a speed of 20.0 km/hr with respect to the earth. If they are initially 18.0 km apart, how long (in seconds) will it be before they pass each other?

asked by Keya on September 5, 2015
15. ## Geometry

Suppose you have four identical pieces of wood like those shown below. If m

asked by Stacey on November 1, 2012
16. ## Geometry

-Which describes the compositions of 3 reflections in three distinct lines, two of which are parallel? 1. rotation 2. dilation 3. translation 4. glide reflection

asked by Emmeline on April 29, 2010
17. ## english

At the fair, not only can I eat tasty food, but I can also see awesome fireworks. need help making sure its a parallel structure and has linking words

asked by ivy on February 5, 2015
18. ## Physics

A proton moving at 500000m/s enters a series of charged parallel plates. What is the impact speed on the last plate.

asked by Shree on June 18, 2012
19. ## Coordinate geometry

Help me i this please the segment joining the midpoint of 2 sides f a triagle is parallel to the 3rd side and half as long. thaks

asked by King on February 3, 2014
20. ## analytic geometry

the three vertices of a triangle are at A (-4,5), B(-5,3) and C (3,-4), show that the line joining the midpoint of the sides AC and BC is parallel and equal to one-half of AB . solve

asked by rachel on July 16, 2014
21. ## circuits

in a parallel RLC circuit you have L=100mH and i= inductor current i=50e^(-4000t)-10e^(-5000t) mA how do you find R and C??

asked by alice on March 23, 2009
22. ## math

the areas of the three non parallel face of right rectangular prism are in the ratio 15:9:4 and its volume is 300.determine the lengths of its sides.

asked by rebika on August 9, 2017
23. ## Geomentry

What is the converse of the theorem statement: If a line divides two sides of a triangle proportionally, then it is parallel to the third side. see the other post.

asked by Mack on April 3, 2007
24. ## math

What is the area of the two-dimensional cross section that is parallel to the base of the cylinder, rounded to the hundredths place? Use. 3.14 for the value of pi. The radius is 5.2 m

asked by Angelica on April 20, 2016
25. ## physics

three resistors of 2ohm, 3ohm and 4 ohm are connected in (a) series (b) parallel. find the equivalent resistance in each case

asked by ganga on July 24, 2016
26. ## physic

why is it physically reasonable to expect that two identical parallel plate capacitors that are placed in series ought to have half the capacitance as one capacitor

asked by ikine2 on March 30, 2014
27. ## physic

2. Rank the following in the order of how much of a corona discharge they would produce, from highest to least (e.g., if D is highest, then A, C, and B is lowest. enter DACB). Explain your response. a. a large round metal ball hooked to a high voltage

asked by sabrina on January 21, 2011
28. ## science

2. Rank the following in the order of how much of a corona discharge they would produce; from highest to least (e.g., if D is highest, then A, C, and B are lowest. entering DACB). Explain your response. a. a large round metal ball hooked to a high voltage

asked by i on June 22, 2011
29. ## math

A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 stores, he chooses to do a stratified random sample that consists of all 3 of the large chain stores, 4 of the 10 smaller chain

asked by Jammal on September 14, 2015
30. ## PHYSICS

Two 2.5-cm-diameter electrodes with a 0.10-mm-thick sheet of Teflon between them are attached to a 9.0V battery. Without disconnecting the battery, the Teflon is removed. a) What is the charge before the Teflon is removed? Q= C b) What is the potential

asked by JOTHEY on March 8, 2010
31. ## chemistry

Bicine is an amino acid, but not a building block of proteins. Rather, it is a reagent commonly used in the biochemistry laboratory. Bicine contains two ionizable groups: tertiary amine (pKa 8.3) and carboxyl (pKa 2.3) a. For each of the ionizable groups

asked by Aria on September 23, 2016
32. ## Math

A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 stores, he chooses to do a stratified random sample that consists of all 3 of the large chain stores, 4 of the 10 smaller chain

asked by Lindsey on February 12, 2016
33. ## Math

A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 stores, he chooses to do a stratified random sample that consists of all 3 of the large chain stores, 4 of the 10 smaller chain

asked by Amber Locklier on February 9, 2016
34. ## algebra

A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 stores, he chooses to do a stratified random sample that consists of all 3 of the large chain stores, 4 of the 10 smaller chain

asked by Tyrone on September 15, 2015
35. ## math

A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 stores, he chooses to do a stratified random sample that consists of all 3 of the large chain stores, 4 of the 10 smaller chain

asked by Anonymous on February 12, 2016
36. ## algebra

A health inspector wants to check compliance with a new city ordinance on meat storage. Since he can only inspect 10 of the 33 stores, he chooses to do a stratified random sample that consists of all 3 of the large chain stores, 4 of the 10 smaller chain

asked by Jammal on September 14, 2015
37. ## 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

asked by drew on November 20, 2012
38. ## Microeconomics

Monopolistic Competition A monopolistically competitive market could be considered inefficient because: A. Marginal revenue exceeds average revenue B. Price exceeds marginal cost C. Efficient scale is realized in the long run, but not in the short run D.

asked by G on October 20, 2008
39. ## English - 12th grade

Can anyone help me find a short story that parallels my life? I have project where i need to find a short story that is parallel to my life. The short story needs to be British, Scottish, Welsh or Irish. I've looked through countless of short stories but i

asked by Miguel Osorio on May 31, 2012
40. ## physics

A charge q1 is inside a spherical surface (although not necessarily at the exact center of the sphere). A second charge q2 sits just outside the surface. Choose whether the following statements are true or false. T/F The total electric flux through the

asked by Samantha on March 6, 2015
41. ## Biology

32. To function properly, a neuron must maintain a a. membrane potential b. neurotransmitter c. negative charge on the inside d. positive charge on the inside I'm stuck between C and D... 34. Hormones are essential to maintaining homeostasis mainly because

asked by mysterychicken on March 22, 2010
42. ## Biology

32. To function properly, a neuron must maintain a a. membrane potential b. neurotransmitter c. negative charge on the inside d. positive charge on the inside I'm stuck between C and D... 34. Hormones are essential to maintaining homeostasis mainly because

asked by mysterychicken on March 22, 2010
43. ## As Physics

Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Calculate the number of free electrons

asked by cylinder on January 4, 2018
44. ## math problem

--There is a layer of ice four inches thick covering a small pond when the weather arrives and it begins to smelt. It smelts 1/16 inch the first day, 1/8 inch the second day. 1/4 inch the third day, and keeps doubling the amount melted each succeeding day.

asked by Mark on November 11, 2012
45. ## Biology

Hello. I've done well with everything else, but I'm stuck on the following: 1. Herring are salt-water fish. They A - need to expel large amounts of water to offset osmosis B - need to take in large amounts of water to offset osmosis C - slowly dehydrate

asked by Tamir on November 13, 2009
46. ## measurements

Which is the following is the best deal? A: six small grapefruits for a \$1 B: four medium grapefruits for a \$1 C: Three large grapefruits for a \$1 Assume that all the grapefruits are spherical, that the small grapefruits have a diameter of 3inches, the

asked by rmz on February 7, 2010
47. ## chemistry

Calculate the ionic strength of the solution. a) 100 mL of 0.8M magnesium perchlorate, Mg(ClO4)2, is added to 900 mL of 0.30M perchloric acid, HClO4. No reaction. B)25 mL of 0.200M potassium iodide, KI, are mixed with 75 mL of 0.0300 M silver nitrate,

asked by bria on September 8, 2006
48. ## Math - Quadratics & Analytical Geometry

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to

asked by Jay on March 23, 2014

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to

asked by JBregz on March 23, 2014
50. ## Physics -work shown

A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a battery with electric potential V as shown in the figure. A magnetic field ~B is now imposed. The acceleration of gravity is 9.8

asked by cr on April 15, 2011
51. ## biochemistry

Which statements about hydrogen bonds are correct? 1) Hydrogen bonds are the interaction between a hydrogen atom bonded to an electronegative element and the lone pair of electrons on a nearby electronegative atom. 2) The atom to which the hydrogen atom is

asked by Samantha on February 4, 2017
52. ## World war one! thanks!

Right before the war Imperialistic, territorial, Nationalism and economic rivalries had been intensifying among Germany, France, Great Britain, Russia, and Austria-Hungary. The Balkan war was from 1912 to 1913; all the major powers increased in size as

asked by essay+ can some edit my paragraph?Thanks! on March 6, 2007
53. ## Math

A bakery offers a small circular cake with a diameter of 8 inches. It also offers a large circular cake with a diameter of 24 inches. Does the top of the large cake have three times the area of that of the small cake? If not, how much greater is its area?

asked by Anonymous on March 11, 2016
54. ## Physics

Consider a disk of radius 2.6 cm with a uniformly distributed charge of +3.6 µC. Compute the magnitude of the electric ﬁeld at a point on the axis and 3.3 mm from the center. The value of the Coulomb constant is 8.98755 × 10^9 Nm2/C2. Answer in units

asked by Monica on September 1, 2011
55. ## consumer math

1. Which of the following is an advantage of using credit cards? (Points : 1) Credit card accounts charge monthly interest. It is very easy to charge more than you can pay off each month. If you pay late, you will be charged a late fee. They are

asked by josh patterson on February 19, 2012
56. ## chemistry

the elements of group VII A form ions with a charge of: A) +1 b) -1 c) -2 d) +2 can u please explain too? thankyou

asked by help on August 27, 2012
57. ## physics

two charged objects carry a negative charge of 2*10c. calculate their distance apart

asked by innocent on March 11, 2010
58. ## physics

expressions for the force experienced by the charge when it enters the magnetic field at an angle?

59. ## chemisrty

how can you calculate the net charge of an ion if you know the number of protons, neutrons, and electrons it contains?

asked by rica on November 4, 2009
60. ## chem

how do you find the number of electrons in an ionic compound chart, if you haven't been given the charge? Would someone be able to please tell me? thanks

asked by micah on March 9, 2009
61. ## Science

Why can't we use static electricity to accomplish certain things, such as activate or charge an electric instrument?

asked by Anonymous on February 26, 2018
62. ## physics

Three charges of 5 x 10^(-6) C are placed on the vertices of an equilateral triangle of 10cm. Calculate force on each charge.

asked by Edwin on April 5, 2010
63. ## chemistry

determin the formal charge on each atom in the following molecules and ions. (a)OSCL2 (b)FSO3

asked by ashley on December 1, 2010
64. ## Chemistry

Express the absolute value of the partial charges as a decimal fraction of the elementary charge for OH.

asked by Nicole on February 14, 2017
65. ## physics

What is the magnitude of the electrostatic force on a +5 C harge 1.75 m to the left of a -2.5 C Charge? (show your work)

asked by Mandy on May 14, 2013
66. ## chemistry

If 10.4 liters of O2 at STP are produced by the electrolysis of water, how many coulombs of charge were required?

asked by sarah on April 21, 2013
67. ## Physics

How many electrons must be removed from an electrically neutral silver dollar to give it a charge of +2.8 µC?

asked by rick on January 24, 2008
68. ## Physics

Charges q1 and q2 lie on x axis at points x= -a and x= 5, respectively. (a) how must q1 and q2 be related for the net force on charge +Q at x = a/2 to be zero ? (b) and if +Q is placed at x = 3a/2.

asked by El Hamshary on March 25, 2018
69. ## Science

what is a device that does work in a electrical current? A. load B. turbine C. charge D. Magnet

asked by Jessica on September 12, 2013
70. ## MicroEconomics

Hello, I have a snapshot file of some questions on elasticity I would like to send. Is there an email address and what do you charge? Thank you

asked by Manuel on March 21, 2013
71. ## Physics

What is the electric field at a distance of 2 cm from 11 mC of negative charge? 2cm converts to 0.02 meters

asked by Lisa on May 5, 2012
72. ## naming compounds

write the name of this compound:(charge) Pb(2+)Cl2 is lead(II)chloride so.. i just need to know if my answers correct. thanks:)

asked by claire on October 19, 2010
73. ## physics

Two fixed charges 1.07mC and -3.28mC are 61.8 cm apart. Where the third charge may be placed so that no net force acts on it

asked by hamid on March 23, 2013
74. ## physics calc based

In the product F = qB (vectors), take q = 2 (neglecting the units of charge, q) and v = 2.0 i + 4.0 j + 6.0 k and F = 4.0 i + (-20 j) + 12 k . What then is B in unit-vector notation if Bx=By ?

asked by hannah on January 24, 2010
75. ## physics

Find the electric field at the folowing radii from the center of this charge configuration.

asked by Shannah on April 15, 2011
76. ## science and social studies

who is in charge of the legislative and judicial branch today? AND is topsoil bad for planting?

asked by nobody on September 10, 2009
77. ## PHYSICS-

Given a plastic rod and fur,explain how you would charge the electroscope positively and negatively.

asked by DICKSON.C on April 27, 2016
78. ## Physics

How many electrons must be removed from an electrically neutral silver dollar to give it a charge of +2.0 ìC?

asked by Arnold Manguy on April 19, 2010
79. ## chemistry

when the nuclear charge increases, does the electron;s attraction to the nucleus get stronger or weaker ?

asked by lan on March 3, 2015
80. ## Physics

Two pellets, each with a charge of 0.80 microcoulomb (8.0×10−7 C ), are located 2.8 cm (2.8×10−2 m ) apart. Part A Find the electric force between them.

asked by Jay on April 28, 2017
81. ## Chemistry

what is the lewis structure with lowest formal charges and label the charge of each atom in NO

asked by Missy on September 20, 2010
82. ## chem

If 10.4 liters of O2 at STP are produced by the electrolysis of water, how many coulombs of charge were required?

asked by sarah on April 20, 2013
83. ## Physics/Charges

Point charges Q1 = 50 µC and Q2 = -20 µC are placed 2 meters apart. Where can I put a third charge so that the net electrical force on it is zero?

asked by Lindsey on February 4, 2013
84. ## consumer math

previous balance 486.97 monthly rate 1.25% finance charge for month

asked by nesha on April 30, 2014
85. ## physics

What is the magnitude and direction of an electric field that exerts a 4.00 ✕ 10 -5 N upward force on a - 1.80 µC charge? N/C

asked by mathew on March 16, 2015
86. ## Inorganic Chemistry

Use Slater's rules to calculate the effective nuclear charge, Z* or Zeff, for a 4f electron in Eu, Tb, and Dy.

asked by Dylan on February 2, 2015
87. ## Chemistry

kHow do you find the number of protons, electrons, and the charge of N^-1? What makes this different from just finding N? Thanks so much!!!

asked by Luna on February 23, 2009
88. ## science

plsejust help me with this last question Explain why the electrical charge on an atom is zweo or nuetral

asked by Amy on October 2, 2008
89. ## English

1. We are different, but same,too. 2. We are different, but the same, too. (Which one is correct?) #. Cash or charge? (What is the full form of this expression which a clerk says at a shop?)

asked by rfvv on November 9, 2009
90. ## finance

what is the interest charge with 10.90% APR (annual percentage rate) on a balance of \$7100.00

asked by Frances on February 20, 2013
91. ## Physical science

List the charge, mass, and location of each of the three subatomic particles found within atoms

asked by Anonymous on February 1, 2011
92. ## econ

which one doesn't belong out of these 4 and why displays, advertising, owners manual, or charge accounts and why?

asked by jerson on January 27, 2009
93. ## Chemistry

Please help! How does the mass number and charge of a nucleus change when it loses an alpha particle?

94. ## physics

Why electric dipole moment between two charges points from negative to positive charge.

asked by vishal on April 24, 2014
95. ## physics

Calculate the net charge on a substance consisting of a combination of 6.7 ✕ 10^13 protons and 3.0 ✕ 10^13 electrons.

asked by Makenzie on March 28, 2015
96. ## physics

a baseboard heater draws a current of 10.0A. How much charge passes through it in a time of 30 min?

asked by lolp on December 10, 2011
97. ## Science

How many electrons should be removed from the van de graaff generator so that its electric charge reaches 1.6 uC?

asked by Lyn on April 6, 2019
98. ## chemistry

what is the Symbols and Names of Common Metal Ions with More than One Ionic Charge of CuSO4

asked by Andrea on January 6, 2010
99. ## physics

what is the magnitude and direction of the electric field 20.0 cm cm directly above an isolated 33.0 10 neg6 c charge?

asked by kar on May 4, 2011
100. ## Science

Explain how to indentify the unknown charge on an object, using a pith-ball electroscope.

asked by haylee on May 2, 2007