# 1. What is one thing a strong introduction does NOT do? (1 point)capture the reader’s interest present evidence to explain the topic provide background information state the main idea of the report 2. Which is the correct MLA citation for

40,793 questions, page 362
1. ## Info Literacy

which of the following would be the best way to get a list of encyclopedias that are available on the web? b.look at the library of congress web site c.search a periodical database d.visit the internet public library journals differ from magazines in that

asked by Essence on July 2, 2012
2. ## geometry

The construction of the regular pentagon is equivalent to the construction of the point in the unit circle with x coordinate x1 = the square root of 5 - 1 divided by 4. Use this to construct a regular pentagon that has all its vertices inside the unit

asked by Jo-Anne on May 5, 2013
3. ## College - Unweighted GPA

On my college application, am I supposed to give my GPA for my senior year only or my total GPA? On my college application: What was your unweighted high school GPA (grade point average)? Please enter a value between 0.00 and 4.00. If you are still in high

asked by Victoria on June 16, 2017
4. ## Motion equation

A stone, which weighs 0.62kg, is thrown, at 5.5ms, its kinetic energy at its maximum height above the surface is 2.3J, what is the height of the stone at this point? Any eqautions or advice gratefully received. I assume that is 5.5 m/s, the initial

asked by Mac on December 17, 2006
5. ## Maths, velocity time graph

I am asked to draw a graph of the total distance traveled versus the total time taken for a journey between points A and B. The journey never stops but midway through its velocity remains stable for a good period of the journey. So regarding the shape of

asked by Anon on October 9, 2017
6. ## Gr. 12 Physics

A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He must make the trip in 1/2 h. An 80km/h wind blows in a direction 30degrees E of S. Find the speed of the plane relative to air. I found the

asked by Myles on September 30, 2012
7. ## Science

1. Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude? (1) 0° (2) 45° (3) 90.° (4) 180.° 2. A rock is thrown straight up into the air. At the highest point of

asked by Jess on June 12, 2015
8. ## Economics

List the various causes of inflation and determine if they are an injection or a leakage. Demand-pull theory: This is a leakage. If all sectors in the economy try to buy more than the economy can produce, people may start to rely on imports. Therefore,

asked by David on March 8, 2011
9. ## history help plzzzzzz

1. What was the Trail of Tears? (1 point) the nickname given to Manifest Destiny by many Native Americans the battlefield where thousands of Cherokees were killed defending their home territory the path walked by Native Americans as they were forced to

asked by josh on January 29, 2014

Please check my essay and could you please give me a letter grade. I am in 9th grade and we are supposed to write 4 paragraphs on similarites and differences between love and infatuation. Love Vs. Infatuation "Infatuation might lead you to do things you

asked by Terrie on April 7, 2009
11. ## physics

A +50 micro coulomb and 30 micro coulomb charge are placed 50cm apart. a)what is the direction and magnitude of thee electric field at a point P, in between them, that is 10cm from the 30 micro coulomb charge? b)if an electron is placed at rest P, what

asked by phil on May 3, 2012
12. ## physics

A +50 micro coulomb and 30 micro coulomb charge are placed 50cm apart. a)what is the direction and magnitude of thee electric field at a point P, in between them, that is 10cm from the 30 micro coulomb charge? b)if an electron is placed at rest P, what

asked by phil on May 3, 2012
13. ## Physics

A river has a steady speed of 0.500 m/s.A student swims upstream a distane of 1.00 km and swims back to the starting point. If the student can swim at a speed of 1.20 m/s in still water, how long does the trip take? How much time is required in still water

asked by Anonymous on February 13, 2014
14. ## Algebra

I'm suppose to write an equation with the following information: Line passes through (2,-6) and is parallel to x=8 I know i must use the slope point form the problem is that since x=8 I don not know which is the slope. Please help me :) The line for x=8 is

asked by claudia on January 25, 2007
15. ## Algebra

Your kids have asked you to set up a cable fromtheir tree house to the ground so that they can slide down quickly when it’s time to head in for lunch. The tree house is 12 feet from the ground. You determine that in order to get a gentle enough slope

asked by kim on March 18, 2012
16. ## Writing

We have to pick a song we really like and break it apart to write a story on it. Well, my favorite song is actually fairly easy to break apart, I guess, but I just want to see what else you might pick up from it? Here are the lyrics, and I apologize for

asked by Me on December 15, 2013
17. ## social studies

Is morality is a Social Function (Construction)? This would imply that there is no such thing as REAL morality only the morality that society forces us to follow (both consciously and unconsciously). Use examples to explain your case. [ WARNING: If you do

asked by Blar on June 18, 2011
18. ## cpcc

A frictionless plane is 10.0 m long and inclined at 33.0°. A sled starts at the bottom with an initial speed of 4.30 m/s up the incline. When the sled reaches the point at which it momentarily stops, a second sled is released from the top of the incline

asked by thomas on September 27, 2010

A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 17.4 m/s at an angle of 35.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green.

asked by Hannah on May 29, 2012
20. ## Statistics

What I mean by a "running number" is that the average is always changing. If I turn in 10 homework assignments and the grades are as follows: 58, 87, 99, 90, 92, 95, 89, 90, 95, 91 then my average is 88.6. If I turn in 10 more assignments my average

asked by Help on January 26, 2014
21. ## Math

Suppose we are standing on top of a 300-ft tower and we are holding a shiny new penny.We do not hurt it down, for that would be dangerous and wrong! We toss it up at a velocity of 10 feet per second and then when it comes down it just happens to plummet to

asked by George Carl on February 26, 2018
22. ## science: physics

A 2.0 kg breadbox on a frictionless incline of angle is connected, by a cord that runs over a pulley, to a light spring of spring constant , as shown in Fig. 8-42. The box is released from rest when the spring is unstretched. Assume that the pulley is

asked by gia on February 21, 2008
23. ## Physics

Analyzing Roller Coaster Performance Using Conservation of Mechanical Energy At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to

asked by Angie on November 30, 2013
24. ## Teacher needs help!! Thanks

I am pre-school teacher who wants to administer a social studies lesson plan to my students. I wanted the lesson to incorporate various aspects of my culture - Jamaican - combined with the United states culture... I want to develop students' appreciation

asked by Marcia on July 15, 2009
25. ## Math/Probability

I need help with the following problem: A brighe hand is made up of the 13 cards from a deck of 52. What is the probability of a hand chosen at random containing 6 of one suit, 5 off another, and 2 of another? THe first card can be anything. It seems to me

asked by D on June 19, 2006
26. ## chemistry

In a reaction A to products, ,4.40 min after the reaction is started concentration of A is 0.588M. The rate of reaction at this point is rate= -change in concentration of A/change in time=2.2x10^-2Mmin^-1. Assume that this rate remains constant for a short

asked by Temmi on January 18, 2014
27. ## Math

A strees light L hangs H feet above a flat straight street. A person h feet tall at point O directly under the street light at time t=0 seconds, moves in a straight line along the street a v feet/second. If H=20 feet, h=6 feet, and v=4 miles per hour, find

asked by Daniel on November 30, 2015
28. ## Analytic geometry

A cable of a suspension bridge hangs in the form of a parabola, the supporting towers of the cable being 300 meters apart. The cable passes over the supporting towers at a height of 60 meters above the roadway and the lowest point of the cable is 5 m above

asked by Fifa on August 17, 2016
29. ## Social studies

1. Which effect did Marco Polo’s The Travels of Marco Polo have on East Asia and Southeast Asia? A. It prompted the Chinese to send out explorers of their own. B. It caused the collapse of the Japanese shogunate. C. It drew European interest in the

asked by Banana on March 12, 2019
30. ## English

The Great Gatsby highlights __________. A.the empty materialism that is damaging American society. B.the need for a more even distribution of wealth and resources among the population. C.the belief that there is no country in the world with equal greatness

asked by Waal on January 21, 2016
31. ## English

A local chamber of commerce is publishing a pamphlet. Its purpose is to encourage tourists to visit the area. Data provided by the state tourism office shows that campers tend to like this area of the state. Based on this data, what is the most important

asked by Anonymous on June 5, 2014
32. ## Chemistry

In the recent Chem Activities, we have been learning about how Coulombic attractions and repulsions determine properties of atoms like ionization energy and atomic radius. We have made two assumptions not completely justified by the data we had up to this

asked by Caitlin on September 26, 2011
33. ## stats

The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to estimate the average diameter of these pipes. A random sample of 18 pipes produces an average diameter of 2.56 mm with a standard deviation of 0.05 mm.

asked by johnny on November 27, 2012
34. ## Algebra

Two children balance on opposite ends of a seesaw. One child weighs 45 pounds and the other weighs 38 pounds. The distance between them is 10 feet. What is the distance of each child from the fulcrum (the center balance point of the seesaw)? (HINT: The

asked by Cathy on May 9, 2012
35. ## accounting

ABC Corp Ltd has 10 million shares and \$600,000 of debt (issues bonds @ 7% p.a.). EBIT is projected to be \$3 million. The company tax rate is 20%.Preference shares pay an annual dividend of \$100,000. Management is considering two options for capital

asked by Reshmi on April 23, 2017
36. ## Tupper

Katie made some chocolate truffles. Katie gave 1⁄4 of her truffles to Leanne. Then Katie gave 1⁄2 of the remaining truffles to Jeff. At that point, Katie had 18 truffles left. How many chocolate truffles did Katie have at first?

asked by Nazima on June 30, 2015
37. ## Literature

4. The term 'point of view' refers to the way the writer has chosen to a. create conflict b. present dialogue c. express an opinion d. tell a story B or D... 7. The theme of a story a. announces the topic in one or two words b. is stated directly in the

asked by mysterychicken on November 6, 2009
38. ## Physics - Spring gun

A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.87-g pellet is placed against the compressed and latched spring. The spring latches at a compression of 4.87 cm, and it takes a force of

asked by Casey on May 29, 2011
39. ## Science(I guess)

Could you help me find some websites that can tell me what the ingredients are in vinegar. http://en.wikipedia.org/wiki/Vinegar Vinegar is acetic acid. Some bottles are sold as 4% and some as 5%. White vinegar is straight acetic acid (distilled) and water.

asked by Katie on January 15, 2007
40. ## physics

The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (as shown in the figure below). Suppose that you loft the ball with an initial speed

asked by katie on January 22, 2012
41. ## Physics

Question: A car goes down a ramp, and once it hits the floor it must travel 6 metres and then stop. Create the procedure in order to find the angle that the board must be to make this scenerio possible. You cannot test on both the floor and the board at

asked by Wren on April 7, 2015
42. ## health in college

Would this be the right answer my instructor is looking for? Quality Measurement and Improvement Certainly a key element in quality health care is to assure that the three elements are in place -- that the structure of the system is strong and that

asked by Tammy on April 5, 2009
43. ## HTT / 230

Nance’s Restaurant, a local independent restaurant, is evaluating new point-of-sale (POS) systems and must determine if a new installation is feasible. A new POS installation would include both software and hardware, with a total cost of \$20,000.

asked by becklynn on January 28, 2014
44. ## Algebra

Please check all of my answers and tell me if they are right. 1.   What is the simplified form of the following expression? 7m^2 + 6.5n – 4n + 2.5m^2 – n (1 point) A. 9.5m^2 + 1.5n*** B. 4.5m^2 + 1.5n C. 1.5m^2 – 4.2n D. 9.5m^2 – 1.5n

asked by HELP on October 9, 2016
45. ## Human Resource Management

I need to make a recommendation analysis of how large firms and small firms could utilize change management concepts to meet growing technology needs. I need to provide one example for a large company and one for a small company of necessary changes

asked by Tina on January 4, 2008
46. ## Physics

Imagine a very large nonconducting plate that has a uniform surface charge density σ =1 μC/m2; it also shows a point charge Q = -3 μC at distance d = 0.3 m from the plate. Both are fixed in place. We choose the origin of an x-axis at Q. At what positive

asked by Katie on September 19, 2012
47. ## physics

An Alaskan rescue plane traveling 37 m/s drops a package of emergency rations from a height of 149 m to a stranded party of explorers. The acceleration of gravity is 9.8 m/s 2 . Where does the package strike the ground relative to the point directly below

asked by ra on December 14, 2012
48. ## physics

Two bicyclists, starting at the same place, are riding toward the same campground by different routes. One cyclist rides 1120 m due east and then turns due north and travels another 1550 m before reaching the campground. The second cyclist starts out by

asked by Anonymous on September 14, 2012
49. ## physics

Two bicyclists, starting at the same place, are riding toward the same campground by different routes. One cyclist rides 1040 m due east and then turns due north and travels another 1540 m before reaching the campground. The second cyclist starts out by

asked by larissa on September 13, 2012
50. ## Science~!

Sodium is a metal and chlorine is a poisonous gas. Neither is safe to eat. However, when sodium and chlorine combine, it produces edible table salt. What can be concluded? (1 point) Table salt has similar physical properties of both reactants.*** Table

asked by Gabby on November 22, 2013
51. ## ENGLISH 11

1. When Thomas Paine writes about reconciliation, he is referring to (1 point) {A.}the southern Colonies staying peacefully connected to the northern Colonies. B.the Colonies staying peacefully connected with Great Britain. C.the Colonists staying

asked by Anonymous on March 13, 2012
52. ## physics

Hi I have some graph problems I need help on. Sketch a graph of velocity vs. time. A cart is moving to the right on a horizontal surface while a constant net force of 3 newtons acts on it to the left. the force acting on the cart stops after a short period

asked by jen on October 7, 2010
53. ## Chemistry

The equivalence point of any acid titrated with a base occurs when the A. concentration of the acid and concentration of the titrant are equal. B. mass of the acid and the mass of the titrant are equal. C. pH of the mixture of the acid and titrant is 7.0.

asked by coco on August 14, 2015
54. ## Calculus

A man on a wharf is pulling in a boat by means of a rope attached to the bow of the boat 1 meter above water level and passing through a simple pulley located on the dock 8 meters above water level. If he pulls in the rope at the rate of 2 meters per

asked by Harra on December 4, 2016
55. ## Math

Wile E. Coyote catapults himself off of a 500 ft. cliff with an initial velocity of 20 ft/sec. His height t seconds after catapulting is given by the function h(t) = −16t2 + 20t + 500 . (Note the y-intercept of (0, 500). a. Find his maximum height (Hint:

asked by Irina on September 12, 2014
56. ## physics

A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its engines then fire and it accelerates upward at 4.20 m/s2 until it reaches an altitude of 960 m. At that point its engines fail, and

asked by Jamie on October 10, 2009
57. ## physics

A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 81.0 m/s at ground level. Its engines then fire and it accelerates upward at 4.10 m/s2 until it reaches an altitude of 940 m. At that point its engines fail, and

asked by chuikia on February 10, 2011
58. ## Geometry

Hello! Thanks for checking my question out! ____ Use the Corresponding Angles diagram to answer the question. Diagram URL (remove spaces so that it can work): h t t p s : / / p r n t . s c/ g v v 9 k q 2. Which can be used to directly prove that ∠1 ≅

asked by Da Fash on October 10, 2017
59. ## Maths

Adrienne, Betty and Cathy were the only three competitors participating in a series of athletic events. In each event, the winner gets 3 points, second gets 2 points and third gets 1 point. After the events, Adrienne has 8 points, Betty has 11 points and

asked by Gizmo on November 20, 2016
60. ## electricity

to use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your? A) thumb in the direction of the magnetic flux. B)thumb in the direction of the electromagnetic force.

asked by angela on August 23, 2005
61. ## physic

A car is driven east for a distance of 44 km, then north for 25 km, and then in a direction 27° east of north for 28 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

asked by keef lam on March 9, 2011
62. ## physical

A car is driven east for a distance of 43 km, then north for 25 km, and then in a direction 26° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

asked by alexx on March 11, 2011
63. ## Physics

A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity

64. ## physics

A car is driven east for a distance of 49 km, then north for 21 km, and then in a direction 30° east of north for 27 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

asked by tom on March 10, 2011
65. ## Physics

A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity

asked by Anonymous on February 2, 2012
66. ## PHY

A car is driven east for a distance of 43 km, then north for 25 km, and then in a direction 26° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

asked by alex on March 10, 2011
67. ## Math

The assignment is Compare Estimated Quotients 1) \$46.35/3 and \$81.35/5 Round \$46.35 to \$50/3=16.666 Round \$81.35 to \$80/5=16 16.666 is greater than 16 2)\$7.27/13 and \$9.08 divided by 19 Round \$7.27 to \$7/13=0.538 Round \$9.08 to \$9/19=0.473 0.538 is greater

asked by Patrick on October 21, 2015
68. ## physics

A car is driven east for a distance of 41 km, then north for 21 km, and then in a direction 30° east of north for 25 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

asked by jessica on September 8, 2011
69. ## Physics

A car is driven east for a distance of 46 km, then north for 29 km, and then in a direction 29° east of north for 22 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

asked by Michael on March 10, 2013
70. ## physics

A car is driven east for a distance of 42 km, then north for 25 km, and then in a direction 31° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

asked by blah on September 18, 2009
71. ## Chemistry

Can you check my calculations, please? It's for a lab we did in order to find the the enthalpy of formation of NH4Cl(s). My final answer was -299.4 kJ, while the theoretical, or actual, value is -314.4 kJ. It was the closest value out of everyone in the

Tom was floating down the river on a raft when, 1km lower down, Michael took to the water in a rowing boat. Michael rowed downstream at his fastest pace. Then he turned around and rowed back, arriving at this starting point just as Tom drifted by. If

asked by Lexi on September 30, 2008
73. ## Algebra

Ok a few questions I want to check answers on - -x+4-9x+3¡Ý 7(x-2) -10x+7¡Ý7x-14 -10x-7x¡Ý7x-7x-14 -17x¡Ý-21 -17x/-17¡Ý-21/-17 x¡Ý21/17 or x¡Ü21/17 ?? One I do not understand at all - The linear equation y=3x-5 graphs as a

asked by John on October 8, 2007
74. ## 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

asked by Nicole on February 2, 2010
75. ## physics

Three identical conducting spheres are located at the vertices of an equilateral triangle ABC. Initially the charge the charge of the sphere at point A is q A =0 and the spheres at B and C carry the same charge q A =q B =q. It is known that the sphere B

asked by steven lou on May 12, 2013
76. ## precal

The temperature of a chemical reaction oscillates between a low of 40 degrees C and a high of 100 degrees C. The temperature is at its lowest point when t = 0 and completes one cycle over a five-hour period. (a) Sketch below the temperature, T, against the

asked by Anonymous on February 14, 2014

You are being interviewed for a business consultant position, and your interviewer has asked you to discuss which social responsibility approach you believe the following scenarios fall into obstructionist, defensive, accommodative, or proactive. Please

asked by Yvonne on July 9, 2008
78. ## Physics

An unknown mass of a certain solid, initially at 60⁰C, is heated at a uniform at a uniform rate. After 4.0 min the solid reaches its melting point of 80⁰C, and it remains at that temperature for 3.0 min until completely melted. After a further 6.0 min

asked by John Carlo on July 4, 2016

1 four buttons have diameters of 5/8 , 3/4, 9/16, and 7/8 which buttons is smallest? answer 9/16 2. I spent 1/3 of my time doing math homework and 2/7 preparing for a history test . what fraction of study time remain? answer: 13/21 3. least common multiple

asked by larry on February 8, 2007
80. ## U. Physics

Two loudspeakers are placed 3.00m apart. They emit 485 Hz sounds, in phase. A microphone is placed 3.20m distant from a point midway between the two speakers, where an intensity maximum is recorded. How far must the microphone be moved to the right to find

asked by Taylor on November 23, 2009
81. ## physics

The drawing shows an outstretched arm (0.61 m in length) that is parallel to the floor. The arm is pulling downward against the ring attached to the pulley system, in order to hold the 126-N weight stationary. To pull the arm downward, the latissimus dorsi

asked by regn on April 21, 2016
82. ## PHYSICS ( PERIODIC MOTION)

A grandfather clock uses a physical pendulum to keep time. The pendulum consists of a uniform thin rod of mass M = 2.01 kg and length L = 0.19 m that is pivoted freely about one end, with a solid disk of mass 3M and a radius of L/4 attached to the free end

asked by MUSTAFA GHANIM on March 9, 2016

If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate.

asked by Rani on October 7, 2009
84. ## College Physics

1. A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. (It is caught

asked by james on June 24, 2017
85. ## Physics

A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. (It is caught

asked by james on June 24, 2017
86. ## Physics

An athlete starts at point A and runs at a constant speed of 5.40 m/s around a round track 250 m in diameter. Find the x component of this runner's average velocity between points A and B. (answer is 3.44 m/s) Find the y component of this runner's average

asked by Josh on September 13, 2006

Still studying navigation and am trying to consolidate my knowledge of the navigational triangle. Current interest in particular is how to establish the distance of the unknown side of the PZX triangle. From the assumed position of the ship (Z) to the

asked by mike on January 17, 2008
88. ## Geo project. help.

I am suppose to create a power-point presentation on ONE of the following Canadian Landforms:Canadian Shield, Appalachians, Western Cordillera, Arctic Islands, Interior Plains, Great Lakes-St.Lawrence lowlands. My question is which one should I pick? Which

asked by Jenny on April 16, 2007
89. ## outline

I need help on constructing a persuasive speech outline. Do you know a good website that will show me how to do this? Thanks. Persuasion and argument are almost the same thing. The principles for writing an argument (essay or speech) are the same.

asked by Anonymous on December 1, 2006
90. ## math?

APPROXIMATELY, how much galloons of gas would it take to drive 4.4 miles? Does not have to be exact, just an idea.... The answer would depend on the average number of miles per gallon the vehicle gets. It might also depend on the road and weather conditios

asked by maria on September 1, 2006
91. ## FL

C++ applications. Concepts tested by this project • Loops • File processing • Previously mastered course topics Beverage Orders A high-end coffee shop has just hired you as their senior programmer. They have tasked you to design and implement two C++

asked by LAUR on March 23, 2016
92. ## physics

Three identical conducting spheres are located at the vertices of an equilateral triangle ABC. Initially the charge the charge of the sphere at point A is qA=0and the spheres at B and C carry the same charge qB=qC=q. It is known that the sphere B exerts

asked by stranger on May 13, 2013
93. ## Physics

From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = -3.67 m/s

asked by <3 on September 15, 2013
94. ## Pre calculus

A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by

asked by Bimo on April 13, 2016
95. ## Pre calculus

A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by

asked by Bimo on April 12, 2016
96. ## Math

I have two problems (listed below): 1.The profit P (in hundreds of dollars) that a company makes depends on the amount x (in hundreds of dollars) the company spends on advertising according to the model P = 230 + 20x -0.5x^2. What expenditure for

asked by Danielle on March 4, 2008
97. ## physics repost

9)You are taking a road trip to the beach for Spring Break. You leave at 12:00pm. At 12:10 you stop for lunch 10 miles down the road. You get back on the road and travel 75 more miles and realize that you need to stop for gas. You notice that it is now

asked by Jon on March 31, 2008
98. ## Physics

From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another building and hits the wall that faces the window. (y = 0.42 m, and