# 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 91
1. ## Math

I need the following definitions Please: point line intersecting lines parallel lines vertical lines horizontal lines acute angle obtuse angle right angle square rectangle trapezoid rhombus pentagon hexagon octagon triangle circle chord radius diameter

asked by Erin on May 3, 2011
2. ## Physics

an electron is launched at a 30 degree angle with respect to the horizontal and a speed of 3.0*10^6 m/s from the positive plate of the parallel plate capacitor. THe plats of the capacitor are oriented horizontally. The electron lands 5 cm away from the

asked by Jordie on April 27, 2010
3. ## physics/electrical circuits

five resistors each has a resistance R ohms and are connected in parallel. if the equivalent resistance is 20 ohms. find the ohmic resistance of each resistors.

asked by dumon on March 3, 2018
4. ## Physics

A small 6.8 g plastic ball is suspended by a 37.3 cm long string in a uniform electric field of 4790 N/C, as shown. The acceleration of gravity is 9.8 m/s2 , and the Coulomb constant is 8.99×109 N · m2/C2.. If the ball is in equilibrium when the string

asked by Anonymous on February 25, 2010
5. ## Chemistry - Periodic Trends

For the isoelectronic series S2-, Cl-, Ar, K+, and Sc3+, which species requires the least energy to remove an outer electron? thanks They all have the same number of electrons (40) in the same shell arrangements, but S(2-) has the least nuclear charge.

asked by alexa on April 21, 2007
6. ## Chemistry

3. The diagram shows an electrochemical cell with a gold strip (left) and aluminum glasses (right). In your response, do the following: • Label the cathode and the anode, including the charge on each. • Show the flow of electrons. • Describe what

asked by kat on May 13, 2016
7. ## algebra

2. Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was $1.26, and in January 2006, the price of regular unleaded gasoline was$2.31 (“Consumer price index,” 2006). Use the coordinates (1997,

asked by Bubba on August 3, 2010
8. ## physics

a metal ball with a charge of 5.4x10^8 electrons is touched to another metal ball so that all the excess electrons are shared equally. What is the final cahrge on the first ball?

asked by lindsay on June 7, 2012
9. ## helpphysics!

The electric field at any points on the sphere of radius 0.75 m is equal to 8.9 x 102 N/C and points radially to the center of the sphere. What is the net charge at the center of the sphere ?

asked by robinho on January 12, 2016
10. ## MATH

THERE IS 20 POTATOES IN A 5LB BAG THE CAFE USES 2 POTATOES PER ORDER THEY CHARGE .95 FOR AN ORDER HOW MUCH MONEY DOES THE CAFE RECEIVE ON THAT DAY THEY USE 400 POUNDS OF POTATOES

asked by Anonymous on January 4, 2011
11. ## chemistry

write the formula for and indicate the charge on each of the following ions: a) sodium ion b) aluminum ion c) chloride ion d) nitride ion e e)iron (II) ion f) iron (III) ion

asked by john on February 28, 2008
12. ## Physics

Can the magnitude of a magnetic field be negative? If we consider an electron in a mag field, using r=mv/qB, the negative charge on the electron gives a negative answer. Do I drop the minus sign?

asked by charlie on February 25, 2009

16. Which of the following would be the best revision of these sentences? "Our present receivables are in line with last year's. However, they exceed the budget. The reason they exceed the budget is that our goal for receivable investment was very

asked by kesha on October 22, 2012

16. Which of the following would be the best revision of these sentences? "Our present receivables are in line with last year's. However, they exceed the budget. The reason they exceed the budget is that our goal for receivable investment was very

asked by niceol on July 9, 2011
15. ## Physics

What value of F can pull the 5.00 kg box at constant velocity up the incline plane if uk=0.25. uk is coefficient friction 5.00 is upward and the incline angle is 30 degrees Assume that the F force is applied parallel to the incline. F must equal the sum of

asked by Êæâù on September 18, 2006
16. ## physics

A 220-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 26.6° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.863, and the log has an

asked by S on October 1, 2014
17. ## Algerba I

a trapezuim has no sides parallel. Its area is given by the following expression 1/2(ah1 + bh2) Note: the 1 and 2 are small and almost under but beside the h A. Evaluate the expression for a = 5 ft 4 in., b = 2 ft 8 in., h1 = 4 ft 4 in., h2 = 6ft 4 in B.

asked by Jordan on September 18, 2007
18. ## physics

If an airplane propeller rotates at 1570 rev/min while the airplane flies at a speed of 333 km/h relative to the ground, what is the linear speed of a point on the tip of the propeller, at radius 1.97 m, as seen by (a) the pilot and (b) an observer on the

asked by kyle on November 9, 2011
19. ## Math

John is designing a redwood deck. each board is 5 1/2 inches wide, and each will be placed parallel to one another. Should he use 3/16 inch, 1/4 inch, or 3/8 inch spacing between boards if he wants the deck to be as close as possible to, but not greater

asked by John on February 25, 2014
20. ## phy

A 150-kg ladder leans against a smooth wall, making an angle of 30 degrees with the floor. The centre of gravity of the ladder is one-third the way up from the bottom. How large a horizontal force must the floor provide if the ladder is not to slip?

asked by samson on August 13, 2014
21. ## physics

A 150-kg ladder leans against a smooth wall, making an angle of 30 degrees with the floor. The centre of gravity of the ladder is one-third the way up from the bottom. How large a horizontal force must the floor provide if the ladder is not to slip?

asked by lawrence on October 7, 2011
22. ## physics

a. How much power is generated by a motor that lifts a 300.0 kg crate vertically 8.0 meters in 6.0 seconds? b. If the crate is dropped on a large vertical spring that has a spring constant of 200,000 N/m, how far does it compress the spring?

23. ## Physics

Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 7.5 cm/year. a)What distance does it move in 1 s at this speed? b)What is its speed in kilometers per million years?

asked by Carl on August 27, 2018
24. ## english grammar

please give me some outlines on this topic - the government has granted a large amount of money to your school to build a hobby room and buy instruments for the school orchestra . why would you like to have the two in your school. please explain a few

25. ## AP Calculus

The management of a large store has 1600 feet of fencing to fence in a rectangular storage yard using the building as one side of the yard. If the fencing is used for the remaining 3 sides, find the area of the largest yard possible.

asked by Sarah on December 14, 2014
26. ## physics

A large open tank is filled with water to a depth of 15 m. A spout located 10.0 m above the bottom of the tank is then opened as shown in the drawing. What is the volume flow rate from the spout? Assume that the radius of the spout is 2 cm.

asked by darin on October 24, 2010
27. ## physics

a. How much power is generated by a motor that lifts a 300.0 kg crate vertically 8.0 meters in 6.0 seconds? b. If the crate is dropped on a large vertical spring that has a spring constant of 200,000 N/m, how far does it compress the spring?

28. ## Pre-Calc

A pizzeria sells a rectangular 18 X 24 inch pizza for the same price that it sells its large 24" diameter pizza. If both pizzas have the same thickness, which option gives the most pizza for the money. Gosh I'm really rusty on my geometry. Can you give me

asked by MUFFY on September 26, 2009
29. ## physics

two large horizontal metal plates are separated by 4mm. the lower plate is at a potential of -6V. what potential should be applied to the upper plate to create electric field strength of 4000V/m upwards between the plate

asked by muhammed on May 13, 2014
30. ## math

you go to the wholesale club and buy a large bag of 12 smaller chip bags at $10.59. at your local store, the individual chop bags cost$0.99/bag. how much do you save per dozen bags by buying in bulk?

asked by ?? on April 5, 2019
31. ## physics

A carnival clown, 80 kg, rides a motorcycle down a ramp and then up and around a large, vertical loop. If the loop has a radius of 18 m, what is the force that the track exerts on the rider at the TOP of the loop if the clown is traveling at an impressive

asked by ginny on November 20, 2014
32. ## college physics

A conductor in a shape of a spherical shell of radii 10 and 12cm in charged to 20 micro coloumb. 1) Find the electric field at the following radii: 2,11,15 cm. 2)Find the electric potential at each of these radii. Repeat part 1 and a -5 microcoloumb point

asked by vishal on October 9, 2013
33. ## physics

A thin non-conducting rod is bent to form the arc of a circle of radius a and subtends an angle at the center of the circle. A total charge q is spread uniformly along its length. Find the electric field at the center of the circle in term of, a, q, and

asked by Supansa on September 6, 2016
34. ## Chemistry

What is the wavelength of the transition from n=4 to n=3 for Li2+? In what region of the spectrum does this emission occur? Li2+ is a hydrogen-like ion. Such an ion has a nucleus of charge +Ze and a single electron outside this nucleus. The energy levels

asked by Lauren on November 3, 2007
35. ## physics

A moving particle encounters an external electric field that decreases its kinetic energy from 9530 eV to 7800 eV as the particle moves from position A to position B. The electric potential at A is -69.0 V, and that at B is +39.0 V. Determine the charge of

asked by Mike on February 1, 2012
36. ## physics

A movig particle encounters an external electric field that decreases its kinetic energy from 9670 eV to 7540 eV as the particle moves from position A to position B. The electric potential at A is -66.0 V, and that at B is +16.0 V. Determine the charge of

asked by help on January 18, 2013
37. ## Physics

Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 µC, and the lengths of the sides of the

asked by Junior on January 21, 2012
38. ## Physics

Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 µC, and the lengths of the sides of the

asked by Junior on January 21, 2012

A campsite charges 8$per day, for the site rental and 4$ for parking. The total campsite charge C( in dollars) is given by C=8d+4 where d is the number of days that the site is rented. complete the table and graph the equation. *Table: D= 0 1 23 C(d)=

asked by Allyson on November 16, 2010
40. ## science

A thin non-conducting rod is bent to form the arc of a circle of radius a and subtends an angle at the center of the circle. A total charge q is spread uniformly along its length. Find the electric field at the center of the circle in term of, a, q, and

asked by supansa on September 6, 2016
41. ## History

Which was a primary motivation for the European extension of influence and control over territories in Asia? to extend the principles of democracy and human rights to push back against the growth of Communist ideology to gain access to raw materials and

asked by DeafeninGaming on January 25, 2018
42. ## physic

Jules Verne in 1865 proposede sending men to the moon by firing a space capsule from a 220-m-long cannon with final velocity of 10.97 km/s. what would have beed the unrealistically large accelerationexperienced travels during launch? compare your answer

asked by Laura on September 7, 2009
43. ## Criminal Justice/White Collar Crime

Certain industries are distinguished by means and opportunities that are conducive to crime. These factors include all of the following EXCEPT: A. large amounts of money changing hands. B. individual decision-making. C. public attention on business

asked by Pat on October 3, 2015
44. ## AP Statistics

We guess, based on historical data, that 30% of graduating high-school seniors in a large city will have completed a first-year calculus course. What's the minimum sample size needed to construct a 95% confidence interval for a proportion with a margin of

asked by Blegh on November 3, 2012
45. ## Medical Coding 2

Can someone tell me if I did this right? This 32-year-old female was burned by hot grease in her kitchen 1 week ago. She is seen in the hospital based wound clinic for large dressing changes on the both upper extremities following second-degree burns to

asked by Ilsa on February 8, 2012
46. ## Physics

A golf club strikes a 0.041-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 6400 N, and is in contact with the ball for a distance

asked by Anon on October 3, 2014
47. ## physics

a golf club strikes a 0.045kg golf ball in order to launch it from the tee. For simplicity,assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 6800N and in contact with the ball for a distance of

asked by kassy on October 12, 2016
48. ## PHYSICS

A golf club strikes a 0.041-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 6400 N, and is in contact with the ball for a distance

asked by Steven on October 3, 2014
49. ## physics

A golf club strikes a 0.040-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force applied to the ball acts parallel to the ball’s motion, has a magnitude of 7950 N, and is in contact with the ball for a

asked by alika on October 2, 2014
50. ## alika

A golf club strikes a 0.040-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force applied to the ball acts parallel to the ball’s motion, has a magnitude of 7950 N, and is in contact with the ball for a

asked by Anonymous on October 2, 2014
51. ## Physics

A golf club strikes a 0.061-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force applied to the ball acts parallel to the ball’s motion, has a magnitude of 7760 N, and is in contact with the ball for a

asked by Emily on November 14, 2012
52. ## Physics

A golf club strikes a 0.040-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 7050 N, and is in contact with the ball for a distance

asked by B.Mac on January 9, 2015
53. ## Physics

If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same.

asked by Laurie on October 23, 2012
54. ## Math

Consider a large water tank: If 3900L occupies 3/4 of the total capacity of the tank, how much water will the tank hold when it is full?

asked by Leah on December 13, 2015

Although any assault on innocent life is tragic, only 5 people were killed in what colonial newspapers termed “the Boston Massacre.” Massacres are generally associated with large numbers of casualties. This is an example of _______________________.

asked by bigurl1.4 on December 18, 2013
56. ## English

Could you please check these two sentence? Thank you. The deposit I paid for the hotel room will be retained (??) by the hotel if I cancel my booking a week before due/arrival. 2) In Coleridge's The Rime of the Ancient Mariner (in italics) the storm, for

asked by Henry1 on June 23, 2011
57. ## Statistics

The average hourly wage of employees in a large nationwide industry is $12.96. Assume the variable is normally distributed, with a standard deviation of$4.46. In a randomly selected sample of 10,000 such employees, how many of them (correct to the nearest

asked by Melissa on November 28, 2011
58. ## math

Write an equation of the line containing the given point and parallel to the given line. (6,-7):9x-8y=3 The equation of the line is y=

asked by Kristi on February 5, 2012
59. ## math

Write an equation of the line containing the given point and parallel to the given line. (-7,6); 8x=9y+5 The equation of the line is y =

asked by SchuRonda on September 10, 2010
60. ## Algebra

write an equation of the line containing the given point and parallel to the given line (2,-4); 8x-3y=2 the equation of the line is y=

asked by Tammy on June 14, 2011
61. ## Statistics

. You are running an a single variable ANOVA with five levels of the variable, such as comparing IQ on 5th, 6th, 7th, 8th and 9th graders and the F-value is very large. The significance for the F value is equal to .0003. What can you conclude about the

asked by Linda on December 6, 2011
62. ## investing

You have a fairly large portfolio of U.S. stocks and bonds. You meet a financial planner at a social gathering who suggests that you diversify your portfolio by investing in emerging market stocks. Discuss whether the correlation results in Exhibit 3.10

asked by janaki on February 5, 2015
63. ## Stats

The Corporate Lawyer, a magazine for corporate lawyers, would like to report the mean amount earned by lawyers in their area of specialization. How large a sample is required if the 99 percent level of confidence is used and the estimate is to be within

asked by McKenzie on December 9, 2017
64. ## Science

I need to have an essay written about a book and the scientific relation behind it. I would do it myself but I'm not sure I know what to do and it's a large portion of my grade and it's not due until June but I need it soon as possible so I can get the

asked by Mickie on December 8, 2010
65. ## statistics

In a preliminary study, the sample standard deviation for the duration of a particular back pain suffered by patients was 18.0 months. How large a random sample is needed to construct a 90% confidence interval so that an estimate can be made within 2

asked by joe on August 2, 2011
66. ## Marine Science

How much of the oxygen we breathe is produced by pytoplankton? 20%, 35%, 50%, 7% I think the answer is 50%. Am I correct. All of the following are adaptations some phytoplankton have for floating except? 1) Cells have large cavity in the center 2) spines

asked by Hannah on November 10, 2009
67. ## physics

A light spring of constant k = 170 N/m rests vertically on the bottom of a large beaker of water. A 5.70 kg block of wood (density = 650 kg/m3) is connected to the spring and the mass-spring system is allowed to come to static equilibrium. What is the

asked by julie on December 20, 2010
68. ## chemistry

Enzymes in the liver catalyze a large number of reactions that degrade ingested toxic chemicals . By what factor is the rate of detoxification reaction changed if a liver enzyme lowers the activation energy of the reaction by 5 kj / mol at 37 celcius ?

asked by firdaus on December 19, 2012
69. ## Maths

The population of a colony of frogs under ideal condition double every 10 days. Solve the the equation 2 raised to the power of n equals 50 (2^n =50)to work out how many 10 days period it takes for the population to be 50 times as large as it is now.

asked by Tom on April 29, 2016

What is an elegiac broadside? a large sheet of paper sold on the streets an elegant poem put to music a mournful, plaintive ballad a sensational disaster I don't have a clue what Elegiac means i was think it was a poem because that's what I'm studying .

asked by Priscilla Jonathan on November 18, 2014
71. ## Physics

Junes Verne in 1865 suggested sending people to the Moon by firing a space capsule from a 195 m long cannon with a launch speed of 12.78 km/s. What would have been the unrealistically large acceleration experienced by the space travelers during launch?

asked by Z32 on September 1, 2010
72. ## ss

Which of the following shows the strong influence of African traditions in Brazil? A. music and dance during the celebration of Carnival B. the use of plantation agriculture to grow cash crops C. the large Catholic majority in Brazil D. the strong national

asked by tim on November 27, 2018
73. ## World history

Use the image below to answer the following question: An image of a man with his hands and feet nailed to a large cross. © Godong\UIG\Image Quest 2016 Which key figure in Christianity does this image represent? Peter Paul Jesus God

asked by Amber on February 18, 2018
74. ## Math

500$is invested at 8.5% compounded annually. Find how long it will take until the fund grows to$800 The function g(x)= 23(1-.06)^x gives the Celsius temperature in x minutes after a large quantity of ice has been added to a bowl of water. When will the

asked by kaylarae on April 5, 2010
75. ## Physics

Remember the Poynting vector? The magnitude of this vector gives the amount of energy per second that flows through a unit area (in the direction it gives) because of the presence of a combination of electric and magnetic field, like in an electro-magnetic

asked by Ryan on October 14, 2015

Find an equation for the line with the given properties: 1) Containing the points (1, 3) and (-1, 2) 2) Slope = -2/3; containing the point (1, -1) 3) X-intercept = 2; y-intercept = -1 4) Parallel to the line 2x – y = -2; containing the point (-1, 2) 5)

asked by kerry on August 10, 2012
77. ## MATH

Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so

asked by Anonymous on February 14, 2012
78. ## Calculas

Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so

asked by Anonymous on February 14, 2012

Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so

asked by Anonymous on February 14, 2012
80. ## Inertia

A thin, uniform rod is bent into a square of side length a. If the total mass is M , find the moment of inertia about an axis through the center and perpendicular to the plane of the square. Use the parallel-axis theorem. Express your answer in terms of

asked by Mary on November 3, 2008
81. ## AP Chemistry

This is part of a marathon problem, we have to identify the five compunds of H, N, and O described below. For each compound, I have to write a Lewis structure that is consistent with the information given. a.) All the compunds are electrolytes, although

asked by Kristin on December 4, 2011
82. ## chemistry

hey drbob222 do you think you could help me out with this lab. Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: balance steel can tin electrode power source wire lead (x2) tin (II)

asked by unknown on April 14, 2008
83. ## Physics

(the drawing is of a square with each side equaling L and the opposites of each corner are equal to each other, so the mystery corner would be 3I) Four parallel long straight wires are carrying current perpendicular to the page, and the points at which

asked by Devon on March 6, 2012
84. ## Language

Choose the meaning the best matches the word in italics. The president of the large company felt as if he had reached the PINNACLE of his career. A. Lower point B. Point or towering formation C. Hughes point of achievement •• D. Rise toward success or

asked by Tayler on January 19, 2016
85. ## physics

A metal rod of mass m slides without friction along two parallel horizontal rails separated by a distance L and connected by a resistor R. A uniform magnetic field of magnitude B is applied perpendicular to the plane of the paper. A force is applied to

asked by Sam on April 28, 2017
86. ## Physics

Two point charges q1 and q2 are held 4.00cm apart. An electron released at a point that is equidistant from both charges undergoes an initial acceleration of 9.00×10^18m/s^2 directly upward in the figure, parallel to the line connecting q1 and q2. See the

asked by Luciano on January 17, 2015
87. ## math

A transversal intersects two parallel lines and forms eight angles. Which of the following statements is false? a)alternative interior angles are always congruent. b)corresponding angles are always congruent. c)adjacent interior angles are always

asked by robert on January 31, 2008
88. ## grammar

The patient was placed in the wheelchair with the fractured tibia. A Verb tense agreement error B Subject/verb agreement error C Pronoun agreement error D Modifier placement error E Parallel structure error My answer is c

asked by Marie on November 14, 2012
89. ## Behavioral Statistics

Imagine you are in charge of reviewing applications for your academic institution. As a preliminary measure, you want to review only the top 25% of applicants on the basis of standardized test scores. How does calculating the z-score provide additional

asked by Slomo on October 22, 2015
90. ## Math

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $500 balance, 20% rate,$50

asked by Anonymous on March 13, 2012

Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 18. She sent the payment November 8. The IRS sent her a penalty charge of 8% simple interest on the unpaid taxes of $5,900. Calculate the penalty. (Remember that asked by Lulu on June 22, 2013 92. ## Physics 212 Three equal point charges, each with charge 1.50\mu C , are placed at the vertices of an equilateral triangle whose sides are of length 0.300m . What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges asked by Paula on February 14, 2013 93. ## Chemistry Static charge can interfere with the production of plastic products by attracting dust and dirt. to reduce it, manufacturers expose the area to polonium-210, which has a half-life of 138 days. How much of a 25.0-g sample will remain after one year (365 asked by S on July 21, 2016 94. ## ALGEBRA Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.)$500 balance, 20% rate, $50 asked by MONICA on November 26, 2011 95. ## math A flower shop owner wants to pay off the loan on a used delivery van that was purchased 11 months ago. The 2-year installment plan used to purchase the van included a$280 finance charge and called for payments of \$230 monthly. What amount is needed to pay

asked by Anonymous on May 6, 2012
96. ## physics

Problem:A long cylinder of diameter 2a has a charge per unit length, lambda, that is uniformly distributed down a very long wire. The cross section of the cylinder is not uniform, with a small hole drilled into it, which has a center at r = R and a

asked by Cory on February 20, 2015
97. ## physics

three spheres, each with a negative charge of 4.0*10^-6 C, are fixed at the vertices of an equilateral triangle whose sides are 0.20m long. Calculate the magnitude and direction of the net force on each sphere. So far i have drawn a diagram and used the

asked by Diana on February 9, 2011
98. ## safety

In Japan what is the country doing to prepare for the types of disaster (such as tornadoes, hurricanes, terrorism) they may face? What agencies are in charge in this country.. Also I need to know the same thing for Sudan. Try this and similar searches:

asked by Amanda on April 22, 2007
99. ## physics

A crate weighs 820N and rests on a 34degree incline. You can keep it from sliding down the incline by pushing on it with a force of 240N applied parallel to the incline. 1)Calculate the coefficient of static friction between the crate and the incline.

asked by Anonymous on September 26, 2010
100. ## Math Urgent

1. A hexagonal prism 6ft tall with a regular base measuring 9ft on each and an apothegm of length 7.8ft. 2. A prism 2m tall. The base is trapezoid whose parallel sides measure 7m and 3m. The other sides are each 4m. The altitude of the trapezoid measures

asked by Vecchi on June 26, 2016