# 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 10
1. ## physics

An object carries a charge of -7.8 µC, while another carries a charge of -2.0 µC. How many electrons must be transferred from the first to the second object so that both objects have the same charge?

asked by john hamon on February 17, 2019

#include int main() { char ch; printf("Enter Your State Name : "); scanf("%c",&ch); if(ch == 'malacca') printf("Shipping Charge : $25"); else if(ch == 'pahang') printf("Shipping Charge :$50"); else if(ch == 'terengganu') printf("Shipping Charge : $65"); asked by Borhan on February 15, 2016 3. ## physics Subjects Art Business Computers English Foreign Languages Health Home Economics Mathematics Music Physical Education Science Social Studies Features Contribute Download Experts Forum Job Openings Homework Tips Libraries.Jiskha Link to Us Reference School asked by leesa on February 23, 2008 4. ## physics A 2.20 µF capacitor (#1) is charged to 942 V and a 6.41 µF capacitor (#2) is charged to 657 V. These capacitors are then disconnected from their batteries. Next the positive plates are connected to each other and the negative plates are connected to each asked by Conor on February 9, 2012 5. ## Statistics The soccer team's shirts have arrived in a big box and people start grabbing them. The box contains 7 medium, 12 Large, and 11 extra-large shirts. What is the probability that the first 4 shirts are all extra large? I have been struggling with the problem asked by Nick on October 1, 2013 6. ## physics 2 small conducting spheres are identical except that sphere x has a charge of -10 microcoulombs and sphere y has a charge of +6 microcoulombs after the spheres are brought and then separated what is the charge on each sphere in miicrocoulombs? asked by Anonymous on January 17, 2012 7. ## math grd 10 a trapiziod has vertices A(-2,3) B(4,1) C(-1,-1) and D(2,-2). prove that the line joining the midpoints of the non-parallel sides is the average length of the two parallel sides of the trapaziod. asked by GAGAN on October 12, 2011 8. ## maths the area of trapezium is 276cm2 and its height is 24cm.if one of its parallel side is longer than other by 7cm.find the length of parallel side. asked by ravi on January 15, 2015 9. ## Math The area of trapezium is 270cmsq. Nd its height is 6cm.if one of parallel sides is double the other,find the two parallel sides. Ans is 30nd60cm asked by Simran kaur on September 15, 2012 10. ## Math a trapiziod has vertices A(-2,3) B(4,1) C(-1,-1) and D(2,-2). prove that the line joining the midpoints of the non-parallel sides is the average length of the two parallel sides of the trapaziod. asked by GAGAN on October 12, 2011 11. ## geometry What is the area of a trapezoidal piece of land if the shorter parallel side is 52 ft long, the other parallel side is 130 ft and the altitude of the trapezoid is 75 ft ? asked by kimama on November 8, 2009 12. ## new mexico Kara drew a horizontal dashed line through the middle of a trapezoid parallel to the parallel sides.Did she create a line of symmetry? asked by jacob on November 29, 2012 13. ## need help asap, plz help! math10 a trapiziod has vertices A(-2,3) B(4,1) C(-1,-1) and D(2,-2). prove that the line joining the midpoints of the non-parallel sides is the average length of the two parallel sides of the trapaziod. asked by GAGAN on October 12, 2011 14. ## Geometry In a quadrilateral ABCD, AB is parallel to DC and AD is parallel to BC. Find the perimeter of ΔCOD if the diagonals of the quadrilateral intersect each other at pointOand AC = 20 in, BD = 20 in, AB = 13 in Can You Add the Answer, asked by Gracie on March 24, 2017 15. ## Physics!! Help!!!!! . A neutral conducting sphere contains a spherical cavity. A point charge +q is located at the |center of the cavity. A. What is the total surface charge on the interior surface of the conductor? B. What is the total charge on the exterior surface of the asked by Melissa on February 3, 2012 16. ## business Calc A real estate developer would like to analyze his revenue,cost and profit for a specific hosing project that is under construction.last month he sold 20 large houses for m$ 250000 and 10 small houses for $150000.The cost build large houses was asked by joe on November 17, 2013 17. ## physics 2 Three charges are placed on the y axis. One charge of -3.2 micro-Coulombs is placed at y = 0, another charge of +2.6 micro-Coulombs is placed at y = -0.29 meters, and another unknown charge is placed at y = +0.51 meters. The total force on the charge at y asked by Jessica on January 18, 2013 18. ## physics A 35 micro coulomb point charge is placed 32 cm from an identical 35 micro coulomb charge. How much work would be required to move a 0.50 micro coulomb test charge from a point midway between them to a point 12 cm closer to either of the charges? i got an asked by lauren on February 11, 2016 19. ## 12th grade calculus find points on the curve x^2+xy+y^2=7 (a) where the tangen is parallel to the x-axis and (b) wehre the tangent is parallel to athe y-axis. (in this case, dy/dx is not defined, but dx/dy is. what value does dx/dy have at these point?) asked by - on October 19, 2008 20. ## science Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1 asked by sanjay on February 10, 2016 21. ## science Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1 asked by sanjay on February 10, 2016 22. ## science Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1 asked by sanjay on February 11, 2016 23. ## physics A wire of uniform thickness with a resistance of 27 ohm is cut into three equal pieces and are joint in parallel.find the resistance of the parallel combination. asked by archit on May 1, 2014 24. ## physics (1) A helium atom consists of two protons (charge +2e) and two electrons (charge -2e) that are an average of 4.3 x 10^-11 m apart. Find the electrical force between them. Find the gravitational force between them. What is the ratio of gravitational to asked by Fred on April 17, 2009 25. ## physics Three point charges, A=2.00 uC, B=7.00 uC, C=-4.00 uC, are located at the corners of an equilateral triangle. a) Find the magnitude and direction of the electric field position of the 2.00 uC charge. b) How would the eletric field be affected if the charge asked by Ella on November 7, 2012 26. ## Math Hi SOCK is a parrallelogram .through a variable point H of[SC] draw the parallel to [OS]which cuts [SK]in E and [OC] in F. the parallel to [OC]cuts [OS]in M and [KC]in N. Find the locus of I midpoint of [HM]. asked by suha on March 14, 2008 27. ## algebra Need help with this The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side asked by jennifer on October 4, 2016 28. ## algebra Need help with this The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side asked by jennifer on October 4, 2016 29. ## geometry If an object is reflected twice over parallel lines, and corresponding points of the original and final translation image are 30 centimeters apart, how far apart are the parallel lines? asked by devona on November 8, 2010 30. ## math If an object is reflected twice over parallel lines, and corresponding points of the original and final translation image are 30 centimeters apart, how far apart are the parallel lines? asked by nelson on March 24, 2011 31. ## algebra the line "l" passes through the point P=(1,-1,1) and has a direction vector d=[2,3,-1], for the following plane Pl, determine whether l and P is parallel, perpendicular, or neither. a) 2x + 3y - z = 1 could you tell me also how it would differ if it was asked by Reen on January 12, 2011 32. ## math For the pairs of lines defined by the following equations indicate with an "I" if they are identical, a "P" if they are distinct but parallel, an "N" (for "normal") if they are perpendicular, and a "G" (for "general") if they are neither parallel nor asked by jp on January 26, 2015 33. ## math Which of the following equations represents the equation for the line that is parallel to the given line and passes through the given point? y= 1/5 x - 10; (15, -16) A. y = -5x +19 B. y = 1/5x + 91/5 C. y = 1/5 x - 19 D. y = 5x - 19 I do know that to be asked by Jane on April 11, 2012 34. ## geometry A trapezoid has a lower base which is twice as long as its parallel upper base. The upper base is 21 cm long. One non-parallel side is 20 cm long and the other non-parallel side is 6 cm longer than the shorter non-parallel side. What is the perimeter of asked by kimama on November 8, 2009 35. ## science A 2.75-gram air inflated balloon is given an excess negative charge, q1 = -3.00 × 10-8 C, by rubbing it with a blanket. It is found that a charged rod can be held above the balloon at a distance of d = 5.80 cm to make the balloon float. In order for this asked by Kels on February 19, 2013 36. ## plz help now, chemistry How do you write chemical formulas? For example how so you right a chemical formula for calcium fuoride? Calcium flouride would be CaF2 This is because .. Calcium symbol - Ca Flourine symbol - F you would write CaF BUT you must consider charges calcium has asked by Beautiful on December 21, 2006 37. ## physics A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 5.8 m/s. Also, it has an acceleration in the direction parallel to the walls of 1.4 m/s2 . asked by Anonymous on September 7, 2010 38. ## physics A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 5.8 m/s. Also, it has an acceleration in the direction parallel to the walls of 1.4 m/s2 . asked by Anonymous on September 7, 2010 39. ## pre cal Electricity Rates in Florida. Florida Power & Light Company supplies electricity to residential customers for a monthly customer charge of$5.69 plus 8.48 cents per kilowatt-hour for up to 1000 kilowatt-hours. (a) Write a linear equation that relates the

asked by kisha on January 15, 2014
40. ## physics

consider three identical metal spheres a b and c. sphere a carries a charge of +5q. sphere b carries a charge of -q. sphere c carries no net charge. spheres a and b are touched together and then separated. sphere c is touched to sphere a and separated from

asked by lara on April 22, 2010
41. ## Physics

A positive test charge is moving between two oppositely charged plates. As the charge moves toward the negative plate, its potential energy? does it decrease, increase, or remain the same?

asked by TomTom on February 27, 2012
42. ## physics

Two particles each have a mass of 6.7 x 10-2 kg. One has a charge of +7.3 x 10-6 C, and the other has a charge of -7.3 x 10-6 C. They are initially held at rest at a distance of 1.1 m apart. Both are then released and accelerate toward each other. How fast

asked by kim taylor on September 18, 2011
43. ## science(physics)

hi -- thank you for your help before-- that makes sense-- also, im stuck on this: if there is a negative2.5 microcoulomb charge 1 m away from a 6microcoulomb charge, then at what point (other than infinity) is the electric field = zero? Sorry, i have no

asked by APPRECIATIVE STUDENT on January 20, 2011

Thompson assumed that the amount of positive charge and negative charge in an atom was equal. Was this a reasonable assumption? I really do not understand this. I tried looking up on the site, but information there wasn't so clarified.

asked by Anonymous on November 1, 2010
45. ## Physics

A rod has a charge of -2.0 ìC. How many electrons must be removed so that the charge becomes +3.3 ìC

asked by Arnold Manguy on April 19, 2010
46. ## kwabhanya secondary school

Scıence What ıs a charge on A charge after touchıng each other A and B charges?

asked by zama on July 21, 2015
47. ## physics

A 5.75 µC and a -2.61 µC charge are placed 19.8 cm apart. Where can a third charge be placed so that it experiences no net force?

asked by Jose on January 25, 2011
48. ## Physics

What is the magnitude of the force a +29 charge exerts on a +3.3 charge 48 away?

asked by Allison on January 26, 2013
49. ## physics

What is the magnitude of the force a +23 µC charge exerts on a +3.5 mC charge 49 cm away?

asked by Jose on January 25, 2011
50. ## physics

What is the magnitude of the force a +29 \mu C charge exerts on a +3.5 mC charge 35 cm away?

asked by cach on January 22, 2010
51. ## physics

An object has a charge of −2.4 ìC. How many electrons must be removed so that the charge becomes +2.8 ìC

asked by Anonymous on January 18, 2013
52. ## Physics

How when light rays travel outward from their light source in all directions, they are not parallel to each other, but when they approach an object they are parallel to each other?

asked by Emily on May 1, 2010
53. ## Maths

A and B are points on the parallel of latitude 58.4N their longitudes being 148W and 32E respectively.What is their distance apart (a)along the parallel of latitude (b)along a great circle

asked by Rilwan on February 18, 2018
54. ## maths

The area of trapezium is 1586Sq.cm and the distance between its parallel sides is 26cm. If one of the parallel sides is 84cm,find the other.

asked by jaivesh on January 21, 2016
55. ## Physics

A 0.7 um-diameter droplet of oil, having a charge of +e, is suspended in midair between two horizontal plates of a parallel-plate capacitor. The upward electric force on the droplet is exactly balanced by the downward force of gravity. The oil has a

asked by Lauren on February 6, 2011
56. ## PHYSICS

Three small spheres are placed at fixed points along the x-axis, whose positive direction points towards the right. Sphere A is at x = 23.0 cm, with a charge of -10.00 ìC. Sphere B is at x = 55.0 cm, with a charge of 2.00 ìC. Sphere C is at x = 57.0 cm,

asked by Jay on May 3, 2010
57. ## Physics last question

A charge of 23.6 is located at (4.37 m, 5.94 m), and a charge of -10.7 is located at (-4.53 m, 6.77 m). What charge must be located at (2.19 m, -2.91 m) if the electric potential is to be zero at the origin?

asked by rudi on November 10, 2010
58. ## Physics

The drawing shows a large cube (mass=42 kg) being accelerated across a horizontal table by a horizontal force P. The coefficient of kinetic friction between the table and large cube is 0.24. A small cube (mass= 5.0 kg) is in contact with the front surface

asked by Anonymous on February 3, 2011
59. ## Physics

The drawing shows a large cube (mass=42 kg) being accelerated across a horizontal table by a horizontal force P. The coefficient of kinetic friction between the table and large cube is 0.24. A small cube (mass= 5.0 kg) is in contact with the front surface

asked by Anonymous on February 1, 2011
60. ## programming

Assume the input to be the charge for the food, draw a flowchart that will compute the total amount of a meal purchased at a restaurant. The output should be the charge for the food, the amount of a 15 percent tip, the amount of the 7 percent sales tax (on

asked by stephanie on August 20, 2014
61. ## Physics: Manitude of Surface Charge on Dielectric

An empty capacitor has a capacitance of 1.86 μF and is connected to a 12-V battery. A dielectric material (κ = 4.5) is inserted between the plates of this capacitor. What is the magnitude of the surface charge on the dielectric that is adjacent to either

asked by Phil-- HELP NEEDED ASAP on May 10, 2013
62. ## physics

please check: Two point charges, initially 1 cm apart, are moved to a distance of 3 cm apart. By what factor do the resulting electric and gravitational forces between them change? a. 9 b. 3 c. 1/3 d. 1/9 D Two positive charges, each of magnitude q, are on

asked by physics on March 14, 2009
63. ## URGENT Physics help

Positively charged Object A is brought close to neutral Object B but does not touch it. The two objects begin to attract each other. What is this process called? (Points : 1) grounding charge polarization conduction repulsion 4. How many coulombs could be

asked by Hannah on April 21, 2014
64. ## physics

If you stand 3.0 m in front of a flat mirror, how far away from you would yourimage be in the mirror? 6.0 m If light waves are coherent, a. they shift over time b. their intensity is less than that of incoherent light c. they remain in phase d. they have

asked by physics on March 13, 2009
65. ## chemistry

an ezyme -catalysed reaction was carried out in a solution buffered with 0.05 M phosphate ph 7.2 . As a result of the reaction ,0.06M of acid was formed. (phosphoric acid has three pka values. The one required for this calculation is pka2=7.2). 1) what was

asked by josh on January 12, 2016
66. ## Physics

Consider three conducting spheres each 10 cm in diameter. “A” has a net charge of 5 C, “B” has a net charge of 10 C, and “C” has a net charge of zero, but is placed in an electric field of 1000 V/m. Rank the electric field strength inside the

asked by Beth on June 13, 2012
67. ## Organic Chemistry

Would a C-Cl bond be polar or nonpolar in a molecule if both have a formal charge of 0? I thought at first that it would be polar just due to their electronegativities (just by looking at the periodic table), but if they both have a formal charge of 0,

asked by Este on September 2, 2016
68. ## physics

Two particles are fixed on an x axis. Particle 1 of charge 47.9 μC is located at x = -5.87 cm; particle 2 of charge Q is located at x = 32.3 cm. Particle 3 of charge magnitude 52.8 μC is released from rest on the y axis at y = 15.1 cm. What is the value

asked by Anonymous on December 13, 2012
69. ## calculus

Find a number x0 between 0 and pi such that the tangent line to the curve y = sin x at x = x0 is parallel to the line y = -x=2. I get that for both lines to be parallel to each other their slopes need to be the same. I found -1/2 = cos(x) but I get stuck

asked by asdf on December 1, 2012
70. ## Geometry

Which best describes the relationship between the lines with equations -16x+2y=0 and -x-8y=-2? a. neither parallel nor perpendicular b. parallel c. same line d. perpendicular

asked by alan on October 26, 2007
71. ## Math

Which best describes the relationship between the lines with equations 8x+y=6 and 16x+2y=0 (a) perpendicular (b) parallel (c) same line (d) neither parallel nor perpendicular

asked by Bria on September 4, 2007
72. ## physics

An object's velocity vector and linear momentum vector are always... a)parallel b)anti-parallel c)perpendicular d)none of the above

asked by barry324 on October 30, 2012
73. ## algebra

give the slop of each line and then determine whether two lines are parallel, perpendicular, or neither parallel nor perpendicular. 2x+5y=5, 4x+10y=0

asked by Chandresh on November 24, 2014
74. ## Physics

A point particle that has a charge of 12.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 µC at x = 20.0 cm, y = 0 is -(19.7) N .

asked by Kevin on January 29, 2013
75. ## Physics

A point particle that has a charge of 12.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 µC at x = 20.0 cm, y = 0 is -(19.7) N .

asked by Kevin on January 29, 2013
76. ## Chemistry

Hello everybody, I'm having difficulty understanding the rationalization behind the strengths of Bronstend Lowry acids and bases and my textbook isn't too helpful. Can someone please expalin to me: (1) What exactly is effective negative charge density? (2)

asked by John Peterson on July 16, 2007
77. ## physics

Three point charge of 2NC 7NC and - 4NC are located at the corners of an equilateral triangl as shown below. Caculate the magnitude and direction of the net force on the 7uc charge.

asked by james on May 9, 2016
78. ## physics

Three point charge of 2NC 7NC and - 4NC are located at the corners of an equilateral triangl as shown below. Caculate the magnitude and direction of the net force on the 7uc charge.

asked by james on May 9, 2016
79. ## Physics

On the lower left corner of a square is a fixed charge qLL = 1.5x10^-9 C and on the loser right corner is a fixed charge qLR = 4.0x10^-9 C. The square has a side length L = 0.25 meters. a) Find the electric potential energy of a third charge q = -6x10^-9 C

asked by Diane on January 26, 2010
80. ## Calculus

You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $9 per guest and averaged 165 guests per night. The next week you charged$10 per guest and averaged 150

asked by Sydney on August 29, 2013
81. ## physics

A uniform electric field of magnitude 250 V/m is directed in the positive x direction. A +12.0-ìC charge moves from the origin to the point (x, y) = (20.0 cm, 50.0 cm). (a) What is the change in the potential energy of the charge–field system? (b)

asked by sammy on April 30, 2007
82. ## Physics

The large disk-shaped flywheel illustrated below has a radius R of 0.25 m. It is made to spin by the small wheel that contacts it at its rim. The small wheel applies a constant force of 1430 N. Friction in the bearing exerts a retarding torque 22 Nm on the

asked by Beth on November 7, 2016
83. ## phys101

a hydraulic press contains oil of density=800kg/meter cube,and the areas of the large cylinder=0.5meter squad and area of small cylinder=0.0001meter squad.the mass of the large piston is 51kg,while the small piston has unknown mass m.If an additonal mass

asked by KABELO on April 19, 2010
84. ## math

the lions gate bridge in vancuver BC, is a suspension bridge that spans 1516m. Large cables are attached to the tops of the towers, 50m above the road. the road is suspended from the large cables with small vertical cables, the smallest one being 2m. find

asked by Navroz on April 18, 2010

#include int main() { char ch; printf("Enter Your State Name : "); scanf("%c",&ch); if(ch == 'a') printf("Shipping Charge : $25"); else if(ch == 'b') printf("Shipping Charge :$50"); else if(ch == 'c') printf("Shipping Charge : $65"); else printf("The asked by Borhan on February 13, 2016 86. ## Programming #include int main() { char ch; printf("Enter Your State Name : "); scanf("%c",&ch); if(ch == 'a') printf("Shipping Charge :$25"); else if(ch == 'b') printf("Shipping Charge : $50"); else if(ch == 'c') printf("Shipping Charge :$65"); else printf("The

asked by Borhan on February 14, 2016
87. ## Biology

Consider the following pairs of organisms: large predators and small predators: large herbivores and small herbivores: and migratory animals and non-migratory animals. The two animals most likely to suffer the most from habitat fragmentation are the A.

asked by kathy on July 29, 2009
88. ## physics

Consider point charges + Q and +9Q, which are separated by 12 meters. At what point, on a line between the two charges, would it be possible that the electric field would be zero. A. There is no such point possible B. 9 meters from the +Q charge C. 9

asked by TJ on July 21, 2009
89. ## physics

A point charge of -8.4 µC is at the origin. a)What is the electric potential due to this charge at (x,y) = (3.5 m, 0 m) b) What is the electric potential due to this charge at (x,y) = (-3.5 m, 0 m) c) What is the electric potential to this charge at (x,y)

asked by sonia on September 16, 2011
90. ## Bio

In spite of factors that tend to restrict cell size, some plant cells are very large. For example, some marine algae have cells almost as large as a chicken egg which of the following characteristics would favor the growth of large cells? 1- thin layer of

asked by bubba on October 25, 2009
91. ## Bio

In spite of factors that tend to restrict cell size, some plant cells are very large. For example, some marine algae have cells almost as large as a chicken egg which of the following characteristics would favor the growth of large cells? 1- thin layer of

asked by bubba on October 26, 2009
92. ## Physics

A capacitor consisting of two parallel plates of area A = 4.6 m2 and spacing d = 0.150 m is filled with two parallel slabs of dielectric material of equal thickness and with dielectric constants 1 = 2.20 and 2 = 5.50, respectively. What is the total

asked by Meghan on February 26, 2012
93. ## Physics

Two identical 2 ohm resistors are connected in parallel to a 1 ohm resistor in the circuit.the potential difference across the cell is 6 v and internal resistance is negligible.calculate the effect across the parallel combination

asked by Kholo on May 16, 2015
94. ## Biochemistry

1. What is the overall charge of the tripeptide below pH 1.0? 2. What is the overall charge of the tripeptide at pH 12? 3. What type of intermolecular attractions could the side chains of the amino acids make with the solvent (water) at pH 7.4? (Note that

asked by Aria on October 5, 2013
95. ## physics

In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner? (the rectangle

asked by Sarah on September 6, 2013
96. ## Physics repost

Neutral metal sphere A, of mass 0.10kg, hangs from an insulating wire 2.0m long. An identical metal sphere B, with charge -q is brought into contact with sphere A. Sphere A goes 12 degrees away from Sphere B and there is a 90 degree angle at Sphere B

asked by Alex on April 21, 2008
97. ## Physics

A point charge (m = 1.0 g) at the end of an insulating string of length L = 46 cm (Fig. 16-66) is observed to be in equilibrium in a uniform horizontal electric field of E = 8800 N/C, when the pendulum's position is as shown in Fig. 16-66, with the charge

asked by kjipper on January 28, 2013
98. ## Math

The diagram: it is a large triangle labelled ACD(AC a line horizontal, then AD and CD joining at the tip going down-so the triangle is "upside down" with the base up) with a line drawn that connects point E, which intersects segment CD at the middle(a

asked by Winnie on March 18, 2015
99. ## chemistry

Decide if each of the following principles were first discovered during Thompson's cathode ray tube experiments, Rutherford's gold foil experiment, Millikan's oil drop experiment or none of these. Label each one with either Thompson, Rutherford, Milikan,

asked by chris on April 14, 2011