1. physics

    Im trying to study for my physics exam by doing some extra problems, however im stuck with this one. any help is much appreciated Two tiny spheres have the same mass and carry charges of the same magnitude. The mass of each sphere is 4.62 x 10-6 kg. The

    asked by John on September 28, 2012
  2. Math

    A television company agrees to establish a community antenna in a new suburb at a charge of $5 each for 1000 subscribers or less.To encourage more subscribers,it is agreed to give a discount of $ 0.10 to each subscriber for every additional 10 subscribers

    asked by Alisha on April 1, 2015
  3. Physics

    Packing material made if pieces of foamed polystyrene can easily become charged and stick to each other. Given that the density of this material is about 35 kg/m^3, estimate how much charge might be on a 2.5 cm diameter foamed polystyrene sphere, assuming

    asked by Yanka on September 7, 2015
  4. College math

    Can someone please assist me The problem reads "use the rule of 78 to find the payoff amount for the loan paid in full before the date" Finance charge: $717 Total number of payments 41 Amount per payment $155 Remaining payments when paid in full 10 Please

    asked by Meg on February 22, 2013
  5. pre-algebra

    a local newspaper can be ordered for delivery on weekdays or sundays. a weekday paper is 35 cents and the sunday edition is $1.50. the stadles ordered delivery of the weekday papers.the month of march had 23 weekdays and april had 20. how mach should the

    asked by cayla on October 7, 2013
  6. capacitor

    A capacitor is made up of two metal plates, each having an area of 0.02 m2 and spaced 2.5 mm apart. A potential difference of 250 V across the plates establishes a charge of 50 nC. Calculate: a) The electric field strength, b) The electric flux density, c)

    asked by azad on May 4, 2015
  7. Calculus

    This is a large problem, sorry for the trouble. if f(x) = sqrt(x^3 + 5x + 121)(x^2 + x + 11) Find fprime/derivative of/at 0 I keep getting 16 which is not one of the multiple choice answers available. My last step is [sqrt(121)(1)] + [{5/sqrt(121)}(11)]

    asked by Anonymous on October 29, 2008
  8. roslyn

    Margo's soccer coach brought a large bag of watermelons to practice. The mass of the bag with all the watermelons in it was 12 kilograms. Explain how you could use estimation to figure out how many watermelons are in the bag.

    asked by Jennifer on April 24, 2013
  9. Social Studies

    Summarize the major factors that allowed the Incas to conquer and rule their large empire. Some suggest that, in many ways, the Incas were like the Romans or other Pre-Columbian American Civilizations. Evaluate whether they were more similar or different,

    asked by Jennifer on January 6, 2013
  10. physics

    A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 210 N applied to its edge causes the wheel to have an angular acceleration of 1.161 rad/s2. (a)

    asked by Anonymous on November 9, 2011
  11. physics

    A large grinding wheel in the shape of a solid cylinder of radius 0.370m is free to rotate on a frictionless, vertical axle. A constant tangential force of 470 N applied to its edge causes the wheel to have an angular acceleration of 0.800 rad/s2. (a) What

    asked by Anonymous on November 11, 2012
  12. history 103

    Summarize the major factors that allowed the Incas to conquer and rule their large empire. Some suggest that, in many ways, the Incas were like the Romans or other Pre-Columbian American Civilizations. Evaluate whether they were more similar or different,

    asked by lucille on October 22, 2012
  13. math

    6. A lottery offers two options for the prize. Option A: $1000 a week for life Option B: $ 600 000 in one lump sum. The current expected rate of return for large investment is 7%/a, compounded weekly. a. Which option would the winner choose if s/he expects

    asked by stephy on January 20, 2011
  14. Chemistry

    1. A small piece of zinc reacts with dilute HCl to form H2, which is collected over water at 16°C into a large flask. The total pressure is adjusted to barometric pressure (752 torr), and the volume is 1538 mL. Use Table 5.2 to help calculate the partial

    asked by Carter on October 18, 2010
  15. Geography

    Need Help! 14. How has Italy's economy changed since 1950? a. Italy has withdrawn from the European Union b. Farming and tourism have become Italy's most important economic activities c. More people are working in manufacturing and service industries d.

    asked by y912f on February 8, 2010
  16. Physics

    Please Help me on these: 3. What mathematical expression tells you to what percentage the charge is after n t1/2's? (All these should be multiplied by 100% to obtain the percentage.) 2- n V*C e-t/τ R*C 1 - 2^- n ((((((((((( I think this is right what do

    asked by Ramin on March 7, 2012
  17. Roman Circus

    A large, usually oblong or oval, roofless place, surrounded by tiers of seats rising one above another, for chariot races, public games, etc. People from upper and lower classes could attend. When do games were being held, musicians like flute players

    asked by running.from.myself on March 2, 2012
  18. Negotiations

    Based on the following information below: Listed price of the house-$329,000 Square feet-3600 Rooms -10 Bed rooms -4 finished basement- No Baths -2.5 garages -2 car garage time on the market -6 months miscellaneous-large wooded lot, pantry, all brick

    asked by Lola on June 17, 2011
  19. Chemistry

    I'm stuck on the concept of negative and positive charges. A dish has 10 + charges and 10 - charges. 2 of the negative charges are taken away. What is the overall charge? I think the answer is 2+ charges

    asked by Glenn on September 9, 2008
  20. Math

    1. Name a pair of complementary angles. (1 point) 1 and 4 1 and 6 3 and 4 4 and 5 2. If m1=37°, what is m4? (1 point) 53° 43° 37° 27° 3. If m1 = 40°, what is m5? (1 point) 50° 40° 35° 25° Use the figure to answer questions 4–5. Assume that

    asked by YRN DJ on December 17, 2015
  21. College physics

    A toy car has a mass of 120g, including two 1.5 V batteries connected in series. Suppose the motor that drives the car is 80\% efficient (i.e., 80\% of the electric energy goes to the drive wheels, 20\% is dissipated as heat) and that friction and air

    asked by katie on July 17, 2010
  22. Physics

    Two identical balls each have a charge of -7.5x10^-6C. The balls hang from identical strings that are 8‹ from the vertical because of the repulsive force between the charged balls. The balls are separated by a distance of 10cm. What is the tension in

    asked by Physics... on January 31, 2013
  23. physics

    An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 68.7 cm long and has a mass of 4.69 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor? Torque = massball x

    asked by Vishnu on October 11, 2008
  24. Math

    The total resistance of two circuits in parallel is 15 ohms and one circuit has five times the resistance of the other, find the resistance of each circuit. Use 1/R=1/R1+1/R2. R1 and R2 are two individual resistances. a)Find the smaller resistance b)Find

    asked by Megan on March 12, 2013
  25. physics

    Background pertinent to this problem is available in Interactive LearningWare 18.3. A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 5700 N/C and is directed in the positive x direction. A point charge

    asked by namabia on November 18, 2014
  26. Math

    Terry and Ed start a lawn mowing business and purchase the mowers and equipment for $1,300. They charge $15 for each lawn and use $2 worth of gas for each job. How many lawns must Terry and Ed mow before breaking even? a. 10 lawns b. 50 lawns c. 100

    asked by Kaai97 on January 19, 2016
  27. Physics

    Alex is exploring a cave that has a slight incline and is iced over, forcing her to use ice cleats to explore it. After climbing 50 m into the cave, she finds what she is looking for and she takes out her ice pick and hammer to begin removing the stones.

    asked by bri on November 29, 2015
  28. physics

    please check my answers and help me with the first one. how can you charge an object negatively with only the help of a positively charged object? -This one I am not too sure, when one material is rubbed against another electrons jump readily from one to

    asked by Soly on November 6, 2007
  29. Organic Chemistry

    This compound is characterized by ionic bonding between a group 1 metal cation and a tetrahedral anion. Write an appropriate Lewis structure for the anion and a specify a formal charge if there is one. NaBF4 I looked up the answer and I have a few

    asked by Aletha on January 21, 2008
  30. Math

    Monica paid sales tax of $1.50 when she bought a new bike helmet. If the sales tax was 5% how much did the store charge for the helmet before tax?

    asked by Makenzey on January 28, 2015
  31. Physics

    When a rubber rod is rubber with wool, the rod becomes negatively charged. What can you conclude about the magnitude of the wool's charge after the rubber process? Why? Please Help!!

    asked by Anonymous on March 25, 2014
  32. Physics

    When a rubber rod is rubber with wool, the rod becomes negatively charged. What can you conclude about the magnitude of the wool's charge after the rubber process? Why? Please Help!!

    asked by Anonymous on March 25, 2014
  33. STATISTICS

    According to the Central Limit Theorem, The traditional sample size that separates a large sample size from a small sample size is one that is greater than 100 30 500 20

    asked by John on June 10, 2010
  34. Stastics

    A doctor at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be 98% confident that the true mean is within 2 ounces of the sample mean? The standard deviation of the birth

    asked by WEB on November 5, 2011
  35. Business

    What are some large-scale economic shifts that have created our present service economy? What are some more recent developments that have given rise to our business environment? How would you characterize the most important elements of customer service in

    asked by Shannon on October 17, 2018
  36. Statistics

    A nurse at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be 99% confident that the true mean is within 2 ounces of the sample mean? The standard deviation of the birth weights

    asked by Clifford on March 8, 2013
  37. math - please help!!

    The number of immigrants living in a certan country with a large population makes up 20 percent of the population. in a random sample poll of 100 people what is the expected number of immigrants to be polled? (using bionomial distribution) thanks!

    asked by linda on November 29, 2011
  38. Afford

    If a narrower can afford to make monthly principal and interest payment of $1,000 and the lender will make a 30 year loan at 8-1/2%=7.69 using amortization table. how large a loan(rounded to the nearest $100) can this buyer afford?

    asked by Linette on August 1, 2015
  39. Math 209

    If a cylindrical container has a volume of cubic feet, then its surface area S in square feet (excluding the top and bottom) is given by S = s=(2π )/r where r is the radius of the cylinder. (a) Calculate S when r =1/2 foot (b) What happens to this surface

    asked by DeLynn Stewart on July 9, 2011
  40. Science

    Niles Eldredge found evidence in trilobite fossils of a pattern of evolution in which short periods of large change or mixed with longer periods of little or no change. This Pattern Is Called ___________? I'm stumped on this question, can anyone help me?

    asked by Gavin on May 2, 2014
  41. English

    Choose the answer that best matches the word "hindquarters." The farmer had to remove a large thorn from the horse's hindquarters. a. chest b. hoof c. front leg d. rear leg*** Just checking my work:) *** - My Answer Thanks, Kaai97

    asked by Kaai97 on November 19, 2015
  42. Customer Relations and servicing

    What are some large scale economic shifts that have created our present service economy? What are some more recent developments that have given rise to our business environment? How would you characterize the most important elements of customer service in

    asked by Shasta on August 15, 2017
  43. Physics

    A 1.75-kg wooden block rests on a table over a large hole as in the figure below. A 5.20-g bullet with an initial velocity vi is fired upward into the bottom of the block and remains in the block after the collision. The block and bullet rise to a maximum

    asked by Ana on November 30, 2014
  44. physics

    A 1.75-kg wooden block rests on a table over a large hole as in the figure below. A 4.60-g bullet with an initial velocity vi is fired upward into the bottom of the block and remains in the block after the collision. The block and bullet rise to a maximum

    asked by jeezy on March 25, 2012
  45. math

    A school has purchased a large field that has a square area of 19,500 ft2. What is the approximate length of each side of the square area? Round your answer to the nearest foot. a. 140 ft c. 142 ft b. 139.64 ft d. 139 ft

    asked by daniel on July 17, 2014
  46. physics

    A triangular plate with a non-uniform areal density has a mass M=0.700 kg. It is suspended by a pivot at P and can oscillate as indicated below. Its center of mass is a distance d=0.200 m from the pivot axis and its moment of inertia about an axis through

    asked by liv on December 4, 2011
  47. math

    Suppose x is a random variable with mean and standard deviation. If a large number of trials is observed, at least what percentage of these values is expected to lie beween mean-2(standard deviation) and mean + 2(standard deviation) could someone help me

    asked by jake on April 9, 2009
  48. AP Chem ?

    I had posted this question before and wanted to know if I had gotten the right answers. 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

    asked by Sam on December 3, 2006
  49. chemistry

    In what ways is the large scale generation of sulfur oxides easier to control than the generation of nitrogen oxides? and in what ways is it more difficult? please help me

    asked by Maya on April 10, 2008
  50. Algebra 1

    Alisha is paying $20 for a large pizza,which is 18 inches in diameter, a better buy than paying $5 for a personal size pizza that is 6 inches across?Explain

    asked by Muhammad on December 21, 2016
  51. Statistics #3

    The estimate of the population proportion is to be within plus or minus .10, with a 99 percent level of confidence. The best estimate of the population proportion is .45. How large a sample is required?

    asked by Monique on June 11, 2008
  52. math

    A recipe for one large cake calls for 3 2/3 cups of flour. Anya has decided to increase each ingredient in the recipe by 2 1/2. How many cups of flour does she need?

    asked by peter on March 8, 2012
  53. business managment

    creating a slide that will have a large and a number of bullet points below it. what slide format should she use? A.)comparison B.)title and content C.)title only D.)two content

    asked by Anonymous on February 15, 2015
  54. 2012faCJC-111-NWB1

    Why is public order necessary? Do we have enough public order or too little? How can we tell? What might a large, complex society such as ours be like without laws and without a system of criminal justice? Would you want to live in such a society? Why or

    asked by Anonymous on October 19, 2012
  55. MLA citation

    Of the following, which is the most important to consider when analyzing and revising an academic paper? A. That the paper will be entertaining for the instructor to read B. That the thesis is clear and that the main points support that thesis C. That the

    asked by Daniela on July 27, 2015
  56. Civics ASAP PLZ =:)

    which of the following would you expect to find in a mixed market economy? large corporations run by the government a king who has unlimited power to regulate production corporations that are not subject to any government regulation a government minimum

    asked by Anonymous on June 1, 2015
  57. Physics

    The electric field from an infinitely large and uniformly charged sheet is independent of the distance from the sheet, yet the individual charges in the sheet all produce fields that object the inverse square law. Why doesn't the field get weaker at

    asked by Timothy on February 20, 2017
  58. BIOL HELP PLEASE!

    microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony

    asked by Talan on September 16, 2013
  59. Physics

    A physics teacher (mass = 84.5 kg) is jogging through the woods and runs straight into a large oak tree at 3.5 m/s. Rebound speed is measured at 2.3 m/s in the opposite direction. If the time of contact with the tree is 45 milliseconds, what is the

    asked by Will on March 18, 2013
  60. Science/ Biol PLEASE HELP

    microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony

    asked by Talan on September 16, 2013
  61. math 117/algebra

    The combined resistance of two resistors R_(1 amd R_2 )in a parallel circuit is given by the formula R_(r= 1/(1/R_1 + 1/R_2 )) Simplify the formula. Help what is this talking about and how do I work it? find R as a function fo r`1 and r2. 1/R= 1/r1 + `1/R2

    asked by Diana on July 11, 2007
  62. chemistry

    My work: pH = -log(x) = 4.49 x = 3.2359e-5 3.2359e-5 = 5.72/M When I solved for M, I got that large number... 176764.8987 Ka for a given weak acid is 5.72 x 100. What concentration of acid (mM/L) will give a pH of 4.49? I got 176764.8987 M (not converted

    asked by Meche on February 28, 2007
  63. Physical science

    A copper penny has a mass of of 3gram. The atomic number of copper is 29 and the atomic mass is 63,5gram/mol.what is the total charge of all electrons in the penny?

    asked by Lucia on March 11, 2012
  64. math

    If a contractor pays an average wage of $20.00 per hour and wants to make a 15% mark-up on the cost of labour, what will the contractor charge as an average labour cost on contracts?

    asked by Jason on July 5, 2012
  65. Physics

    A proton is launched from the surface of a 2.0 cm diameter glass sphere that is charged to -25.0 nC. What is the speed of the proton when it is launched so that it just escapes the influence of the charge of the glass sphere?

    asked by Please Help!!!!!!!!!!! on February 10, 2011
  66. Physics

    In Fig. 25-37, V = 12 V, C1 = 9.8 µF, and C2 = C3 = 18 µF. Switch S is first thrown to the left side until capacitor 1 reaches equilibrium. Then the switch is thrown to the right. When equilibrium is again reached, how much charge in Coulombs is on

    asked by Gina on March 19, 2012
  67. Math

    The charges on a monthly water bill came to $0.86 per cubic meter of water used, plus a service charge of $4.49. Last month Jeremy's water bill came to $69.85, how many cubic meters of water had he used?

    asked by Erica on January 25, 2013
  68. Math

    f a contractor pays an average wage of $20.00 per hour and wants to make a 15% mark-up on the cost of labour, what will the contractor charge as an average labour cost on contracts?

    asked by Anonymous on March 23, 2015
  69. physics

    A wire with circular cross-section of radius 1mm carries a current of The speed of the carriers inside the wire is What is the current density in the wire? the charge density in the wire and how long it takes for an Avogadro’s number of charges to emerge

    asked by JAY Z on October 16, 2014
  70. algebra

    Ashley is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices. Company A charges $95 and allows unlimited mileage. Company B has an initial fee of $75 and charges an additional $0.80 for every

    asked by heather on December 21, 2016
  71. Business Communications

    Which statement presents a negative element in a positive way? (Points: 5) The part can be replaced at no charge only if your unit is less than two years old. If your unit is too old, you will have to pay $49 for a replacement part. We cannot replace the

    asked by lisa on November 5, 2010
  72. college gen. physics II

    38. A proton initially moves left to right long the ´‑axis at a speed of 2 ´ 103 m/s. It moves into an electric field, which points in the negative ´ direction, and travels a distance of 0.2 m before coming to rest. If the proton's mass and charge are

    asked by Alinkashia on July 25, 2010
  73. Anonymous

    Maya is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices. Company A charges and allows unlimited mileage. Company B has an initial fee of and charges an additional for every mile driven. For

    asked by Anonymous on March 17, 2011
  74. Algebra II

    Ravi is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges $75 and allows unlimited mileage. Company B has an initial fee of $55 and charges an additional $0.80 for every

    asked by Bryan on April 2, 2014
  75. Algebra 2

    A resistor has a resistance of 15 ohms. What size of resistor, (r2), should be connected in parallel with it to obtain a resistance of 7 ohms. Use 1/R=1/r1+1/r2. r2= ohms?

    asked by Nancy on April 5, 2012
  76. algebra 2

    Petra needs to find the equation of a line through (–2, 3) that is parallel to the line represented by y = 2x– 4. Which equation best represents Petra's equation?

    asked by Lalt on February 10, 2012
  77. 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 23, 2011
  78. business math

    Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 15. She sent the payment November 8. The IRS sent her a penalty charge of 8.80% simple interest on the unpaid taxes of $3,600. Calculate the penalty. (Remember

    asked by Anonymous on November 25, 2014
  79. physics

    7150/(33.5e4) = g ice doesn't work. Am I calculating incorrectly? heat of fusion for water is 334 J/g. You want it in J/g since q is given in the problem in J. The answer will be in units of grams of ice. You will need to change to kg since the problem

    asked by Ann on December 12, 2006
  80. physics

    You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform

    asked by bobjahng2 on November 16, 2010
  81. physics

    You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform

    asked by alejandrob on November 17, 2010
  82. Art

    The jeweler set a ring so that the green of the emerald contrasted with the white of the diamonds. He decided that adding the large, costly stone was worth it a. because of the archival quality of the stone b. for aesthetic reasons•• c. to show his

    asked by Vanessa on February 1, 2016
  83. Ap world history

    I population increase and East Asia and South East Asia during this timeframe was due in large part to.. A) The lack of wars B)The growing respect for a woman C) The spread of Buddhism,hey religions that encourages procreation D) The development of a

    asked by Brenda on September 16, 2015
  84. physics

    A large wooden wheel of radius R and the moment of inertia I is mounted on an axle so as to rotate freely. A bullet of mass m and speed v is shot tangential to the wheel and strike its edge, lodging in the wheel’s rim. If the wheel was originally at

    asked by Gee on December 4, 2010
  85. Social Studies

    Why was Chandragupta Maurya's organization of his empire considered efficient? A. His severe punishments for crimes were considered normal. B. His taxes paid for a large army and his costly life style. C. His envoys were sent on missions to neighboring

    asked by Bri on October 14, 2018
  86. nutrition

    After World War II, farming, fishing, and other food production activities became large scale enterprises which caused Question 5 answers a decrease in economic development. American diets to become less diverse. the over producing and over consuming of

    asked by destiny on September 29, 2010
  87. earth science

    22. an illustration of the fact that a sudden and great _____ struck the earth is the millions fo mammoths and other large animals frozen instantly and preserved, whole and undamaged. catastrophe cold front ice age permafrost ice age right This also makes

    asked by tiff on April 4, 2007
  88. chemistry

    suppose that a large volume of 3% hydrogen peroxide decomposes to produce 12mL of oxygen gas in 100 s at 298 K. Estimate how much oxygen gas would be produced by and identical solution in 100s at 308 K hi can you please help me set up this problem, then I

    asked by Chloe on August 6, 2015
  89. Chemistry

    Which of these is more efficient on a large/small scale (power generation) and why? burning hydrogen to generate heat to drive turbines to produce electricity or directly producing electricity in a fuel cell reaction Can hydrogen be piped into homes,

    asked by Alicia on May 8, 2011
  90. physics

    A large, solid metal sphere is suspended from a the ceiling by a cable, and is free to rotate about the wire. If the mass of the sphere is 176 kg, its radius is 0.7 m, and it is initially rotating at 28 rpm (revolutions per minute), what work is required

    asked by john on November 15, 2011
  91. AP PHYSICS

    A 3.0-uF capacitor and a 4.0-uF capacitor are connected in series across a 40.0-V battery. A 10.0-uF capacitor is also connected directly across the battery terminals. Find the total charge that the battery delivers to the capacitors. I NEED HELP WITH THIS

    asked by Becky on April 1, 2008
  92. physics

    Four charges are placed at the four corners of a square of side 15 cm.The charges on the upper left and right corners are +3 uC and -6 uC respectively. The charges on the lower left and right corners are -2.4uC and-9 uC respectively. The net force on -6uC

    asked by daryl on April 25, 2013
  93. math

    On a roulette wheel, the probability of winning when you pick a particular number is . Suppose you bet $1.00 to play the game, and if your number is picked, you get back $36. a. Is this a fair game? b. What would happen if you played this game a large

    asked by Amy on August 15, 2010
  94. math

    On a roulette wheel, the probability of winning when you pick a particular number is . Suppose you bet $1.00 to play the game, and if your number is picked, you get back $36. a. Is this a fair game? b. What would happen if you played this game a large

    asked by kirk on August 12, 2010
  95. physics

    Two positively-charged objects are located 0.1 m apart. How does the value of their mutual electric force change if the distance between them is doubled? (A) quadruples (B) doubles (C) same (D) halved (E) one-fourth How does the value of their mutual

    asked by henry on May 30, 2018
  96. trigonometry grade 11

    Brit and Tara are standing 13.5 m apart on a dock when they observe a sailboat moving parallel to the dock. When the boat is equidistant between both girls, the angle of elevation to the top of its 8.0 m mast is for both observers. Describe how you would

    asked by anonymous on May 7, 2011
  97. algebra

    Two trains leave stations 50 miles apart at the same time heading toward one another on parallel tracks. Train A is traveling 20 miles an hour and Train B is traveling 30 miles an hour. They pass eachother in how many hour(s).

    asked by key on June 18, 2013
  98. Physics

    A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a force just exceeding 162 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of static

    asked by Doug on October 2, 2018
  99. Chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria on December 13, 2012
  100. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria on December 13, 2012