1. physics

    (a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC? (b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C?

    asked by Justin on September 15, 2013
  2. math help

    It is 2 1/2 miles to The end of The trail. If paula runs to The end and back in 60 minutes, What is The average speed in miles per hour

    asked by marie on January 25, 2013
  3. physics

    A 55-kg person walks due north with a speed of 1.1 m/s, and her 7.0-kg dog runs directly toward her, moving due south, with a speed of 1.8 m/s.

    asked by ana on April 18, 2017
  4. Math

    Val walks 2 3/5 miles each day. Bill runs 10 miles once every 4 days. In 4 days, who covers the greater distance?

    asked by ari on February 2, 2015
  5. science

    if a dog runs 6 meters in 1 second and then at the end of the second second the dog ran an additional 4 meters. what would describe the dogs motion in both seconds

    asked by Anonymous on February 9, 2011
  6. programming

    develop a program that converts inches to centimeters(1 inch=2.54 cm). The program when runs should prompt the user to enter an inch value

    asked by nora on October 16, 2011
  7. Science

    A 9.8basketball player runs at a speed of 7m/s A.what is kinetic energy B.how much work was done by player to reach his speed starting from rest

    asked by Christian on February 24, 2018
  8. Physics

    When you take your 1300-kg car out for a spin, you go around a corner of radius 57.8 m with a speed of 15.2 m/s. The coefficient of static friction between the car and the road is 0.82. Assuming your car doesn't skid, what is the force exerted on it by

    asked by Alyssa on October 16, 2012
  9. pre calc

    An open box is formedby cutting squares out of a peice of cardboard that is 18 feet by 26 feet and folding up the flaps. What size corner squares should be cut to yield a box that has a volume of 250 cubic feet

    asked by bethany on September 19, 2013
  10. Physic II

    In the figure Q=4.6 nC and all other quantities are exact. What is the magnitude of the force on the charge Q? The figure is a triangle with equal sides of 1cm and 60 degree angles. Two of the corners on the bottom of the triangle has a charge of +2nC and

    asked by Can on January 26, 2014
  11. Science

    The children at a local park think the slide is too slippery. There is too much friction. W hat could you do to decrease the amount of friction on the slide? *writing question* I don't want the answer,just some help finding it. Please, please answer ASAP!

    asked by Anonymous on April 16, 2018
  12. MATHS

    Logan Academy students take part in four field trips during the school year. They visit a library, a museum, a park, and a zoo. How many different ways can the four trips be ordered for the school year?

    asked by BRYAN on May 13, 2013
  13. algebra

    Parking in a student cost $3 for the first half hour and $1.50 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $9?

    asked by luis barreto on January 16, 2013
  14. math 208

    parking in a student lot cost 3.00 for the first half hour and 1.25 for each hour there after a partial hour is change the same as a full hour what is the longesr time that student can park

    asked by Anonymous on September 14, 2015
  15. physics

    A skateboarder at a skate park rides along the path shown in (Figure 1) . a=2.7 m and b=1.0m If the speed of the skateboarder at point A is v=1.6m/s, what is her speed at point B? Assume that friction is negligible.

    asked by alex on April 10, 2017
  16. maths

    the side of triangular park are 8m 10m 6m A small circular area of diameter 2m is to be left out and the remaining is to be used for growing roses how much area is used for growing roses

    asked by manpreet on February 4, 2018
  17. - English

    The Arctic region, where winters are long and cold, is home to more than 400 species of flowering plants. Which group of words is an adjective clause in the sentence? of flowering plants where winters are long and cold is home to more than 400 species of

    asked by Anonymous on February 11, 2013
  18. Chemistry

    A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine

    asked by Kristy on November 10, 2010
  19. algebra

    An open topped box is constructed from a 20 inch by 15 inch piece of cardboard by cutting equally sized squares from each corner and folding up the resulting flaps. What is the maximum volume of the box? Be sure your answer is to this prompt! Round your

    asked by ce on March 4, 2019
  20. math

    An open box is made from a rectangular piece of cardboard measuring 16 cm by 10cm. Four equal squares are to be cut from each corner and flaps folded up. Find the length of the side of the square which makes the volume of the box as large as possible. Find

    asked by annie on March 27, 2013
  21. Mathematics

    An open box is made from a square piece of sheet metal 19 inches on a side by cutting identical squares from the corners and turning up the sides. Express the volume of the box, V, as a function of the length of the side of the square cut from each corner,

    asked by sexana on December 3, 2015
  22. `Math

    A rectangular park has an area of 6 square miles. The width of the property is 3/8 the length of the property. What is the width of the property?

    asked by Micah on April 16, 2013
  23. physics

    a boy pushes on a park car with a force of 200 N the car does not move how much work does the boy do on the car?

    asked by adia on May 24, 2011
  24. math

    A rectangular park has an area of 6 square miles. The width of the property is 3/8 the length of the property. What is the width of the property?

    asked by Isabella on March 21, 2012
  25. Microeconomics

    This is a 5 part question; (a-e)The question reads: Suppose that a market is described by the following supply & demand equations: Qs=2P & Qd=300-P a) Solve for the equalibrium price & quantity. (I think I understand this process.) b)Suppose that a tax of

    asked by Diane on July 28, 2008
  26. programing

    1. Elements – sequence-series outputting Write a program that prints the following elements: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, (hereto referred to as elements) etc., up till a user-entered value. The program should not print more than 10 numbers per

    asked by tefo sello on October 3, 2014
  27. chemistry

    A 281 lb fullback runs the 40 yd dash at a speed of 23.0 ± 0.1 mi/h.(a) What is his de Broglie wavelength (in meters)?(b) What is the uncertainty in his position? i determined the wavelength correctly, but how do you determine the uncertainty

    asked by bob on September 16, 2010
  28. physics

    Mrs. Johnson's kid is trying to drink with a straw that runs through an airtight cork in the top of a bottle of water. Please explain to her kid why he won't get any water.

    asked by Anonymous on February 6, 2017
  29. physics

    A small truck runs off the road and over a 100metre high cliff. It lands 50 metre from the base of the cliff. How long did it take for the truck to hit the ground

    asked by andrew on June 20, 2015
  30. physics

    Mrs. Johnson's kid is trying to drink with a straw that runs through an airtight cork in the top of a bottle of water. Please explain to her kid why he won't get any water.

    asked by Lenny on February 6, 2017
  31. physics

    A microwave runs off a 110. V circuit and draws 7.00 A of current. How much water would be required to run the microwave for 10.0 minutes if it is powered by a 10.0­m high water wheel?

    asked by john jhon on April 25, 2016
  32. arithmetic

    Jenny's mom runs 3 miles 3 times a week . which number sentence can be used to find how many yards she will run in 1 day? A 3 x 3 x 1,760 B 3 x 3 + 1,760 C 3 x 1,760 D 3 + 1,760

    asked by hannah on April 2, 2008
  33. maths

    A ship is sailing due east at 18 knots runs into a 3 knot current moving 40 East of North. The resultant speed an direction of the ship are:

    asked by k on June 20, 2013
  34. science

    A subcompact car, mass 1,000 kg, runs into and sticks to an at-rest, 2,200 kg SUV. If their final speed is 4.7 m/s, what was the smaller car's initial speed?

    asked by tyreek thames on July 2, 2012
  35. Literature

    "Rewrite a section from 'Snow' using a different point of view. You can choose any point of view you like. You can also choose to rewrite any section from the story as long as it is atleast 1 paragraph in legth." This is the paragraph I chose: "Snow," I

    asked by mysterychicken on October 30, 2009
  36. english

    can somepne help me on parallel structure? i really don't get it. can u make this a parallel a structure because i don't know how. Do you calue the democratic right to freedom of speech? Maybe you want to announce something. Or is there an issue you think

    asked by tony on February 22, 2010
  37. physic

    Suppose you and a friend, each of mass 65 , go to the park and get on a 4.5 -diameter merry-go-round. You stand on the outside edge of the merry-go-round, while your friend pushes so that it rotates once every 5.0 seconds. What is the magnitude of the

    asked by win on November 18, 2012
  38. physics

    A friend plays an A note (440 Hz) on her piccolo while running towards you at 40 m/s. What frequency do you hear just before she runs into you? -I am not sure where to start on this problem. I wrote down the givens: fs=440 hz, vs=40 m/s, v=343 m/s. and I'm

    asked by Sarah on February 1, 2015
  39. Physics

    A boy weighing 40kg runs at 8.0m/s grabs a rope and swings of level ground. What maximum height does the child reach? How do I solve this?? it is under the conservation of energy section of work, power and energy. any help would be great! thanks

    asked by Steven on March 26, 2008
  40. Pre-Calculus-Trig

    A 40 foot high flagpole sits on the side of a hill. The hillside makes a 17 degree angle with horizontal. How long is a wire that runs from the top of the pole to a point 72 feet downhill from the base of the pole?

    asked by Chloe Mack on January 30, 2011
  41. Honor Biology

    Without oxygen, cellular respiration grinds to a standstill, although glycolysis can continue to make some ATP anaerobically for a short time. When oxygen runs out, why does electron transport stop? Why do you thing the Krebs cycle stops?

    asked by Pam on December 6, 2010
  42. Physics

    Bob runs a marathon (26 miles) in 4 hrs. Note 1609 is 1 mile. I found the average speed miles/hour which is equal to 6.5 mi/hr. I need to find meters/second? So 1609m/mi * 6.5mi/hr * 1hr/3600sec = ??m/s correct?

    asked by Jennifer on September 13, 2006
  43. Honors Biology - URGENT!!!

    Without oxygen, cellular respiration grinds to a standstill, although glycolysis can continue to make some ATP anaerobically for a short time. When oxygen runs out, why does electron transport stop? Why do you thing the Krebs cycle stops?

    asked by Brenda on December 8, 2010
  44. accounting

    These questions are so confusing. So I was wondering what are each of the formulas to solve each question or what steps I need to take to complete them? I've been trying and I can't find the correct answer. ____ 11. The Dayton Corporation began the current

    asked by Mickey on February 22, 2010
  45. geometry

    A 15m by 15m square garden has a 2m wide path that runs through the center.what is the area of the garden that is available for planting?

    asked by Lorna on June 17, 2014
  46. Basic Banking Operations

    A machine at Staples photocopies 12 1/4 pages per minute. If the machine runs 700 minutes, how many pages will be photocopied?

    asked by Carmelita on September 8, 2015
  47. Science

    Two blocks of mass M kg and 2,5 kg respectively are connected by a light,inextensible string.The string runs over a light,frictionless pulley

    asked by Siyabonga on February 15, 2016
  48. Physics

    You are in a boat that is traveling across a river from east to west at 4.0 m/s. the river runs north at 3.0 m/s. what is the resultant velocity of the boat?

    asked by Savannah on December 11, 2012
  49. Biomechanics

    A long jumper runs down the runway and it is measured that her vertical velocity is 2.7 m/s and her vertical velocity is 6.6 m/s. what is her angle of takeoff?

    asked by Anonymous on February 2, 2014
  50. Math 5th

    Val walks 2 3/5 miles each day. Bill runs 10 miles once every four days. In 4 days who covers more distance?

    asked by Kerry on January 27, 2014
  51. math

    Value ways 2 3/5 miles each day.Bill runs 10 miles once every 4 days. In 4 days, who covers the greater distance?

    asked by krystal on February 5, 2014
  52. physical science

    I am having a little trouble with this problem. can someone please HELP! During a race, a runner runs at a speed of 6m/s. 2 seconds later, she is running at a speed of 10 m/s what is the runner's acceleration?

    asked by Selena on August 7, 2013
  53. Physics

    Man jogs 1.5 m/s. Dog waits 1.8 s then runs at 3.7 m/s. How far will they have each travelled when dog catches up to man? Answer in units of m

    asked by Sam on August 27, 2012
  54. Algebra

    When 2 parents and 3 children visit a theme park the admission cost is $57. The cost is $33 for 1 parent and 2 children. Find the cost for 1 adult and the cost for 1 child?

    asked by Luis on July 2, 2015
  55. 8th Grade Algebra: HELP ME PLEASE!

    I am having a hard time figuring out the equations for these problems. 1) The perimeter of a rectangle is 160 feet. One fourth the length is the same as twice the width. Find the demensions for the rectangle. 2) Lorena bought 10 packs of styrofoam cups for

    asked by Joy on March 4, 2009
  56. CHEM

    For the equilibrium reaction Co(g)+H2O(g)CO2(g)+H2(g) the Keq value at 690°C is 10.0. A mixture of 0.300 mol of CO, 0.300 mol of H2O, 0.500 mol of CO2 and 0.500 mol of H2 is placed in a 1.0 L flask. a) Write the Keq expression for this reaction and use

    asked by AMI on January 27, 2012
  57. chem

    For the equilibrium reaction: CO(g)+H2O(g)CO2(g)+H2(g) the Keq value at 690°C is 10.0. A mixture of 0.300 mol of CO, 0.300 mol of H2O, 0.500 mol of CO2 and 0.500 mol of H2 is placed in a 1.0 L flask. a)Write the Keq expression for this reaction and use

    asked by ami on January 26, 2012
  58. math

    Show that if x is a nonzero column vector in R^n, then the nxn matrix: A = I - 2/||x||^2 * xx^T is orthogonal. Notation key: ||x|| = norm of x x^T = transpose of x I = identity matrix. Let me try to convince a math student to use "physics" notations that

    asked by mathstudent on January 13, 2007
  59. Macroeconomics

    Suppose the national debt is $80 trillion and the government spends $800 billion during the fiscal year on goods and services. In addition, the government collects tax revenues of $600 billion and makes transfer payment equal to $300 billion. Assume the

    asked by Tracy on March 25, 2017
  60. Algebra

    The student council is asking people to donate money for the new park outside the school. Everyone who makes the suggested donation amount will be given a bracelet. If everyone donates the suggested amount, and b bracelets are given away, what algebraic

    asked by Carol on April 20, 2015
  61. English

    The following sentence contains a dangling or misplaced modifier. Rewrite the sentence so that its meaning is clear. 7. Walking the dogs in the park on Sunday afternoon, it began to rain hard. I totally don't understand how to rewrite this sentence :( Any

    asked by Emily on May 25, 2009
  62. Algebra

    The area of the top of a triangular corner desk must be at least 7 sq. ft. If the base of the triangular desk top needs to be four feet, what should the height be?

    asked by Melissa on February 6, 2011
  63. algebra

    The area of the top of a triangular corner desk must be at least 7 sq. ft. If the base of the triangular desk top needs to be four feet, what should the height be?

    asked by Amy on March 15, 2011
  64. math

    I am confused on how to solve this problem, can you help me? It says the distance around the outside of Cedar park is 0.8mile. Joan ran 0.25 of the distance during her lunch break. How far did she run? A. 0.2mile B. 0.25 mile C.1.05 mile D. 2 miles I did

    asked by E6 on September 26, 2014
  65. Social Studies

    What is the main cause of growing pollution levels in China? A. China has the largest population in the world B. The government is moving villages to make more park land C. New factories and ways of life are producing more waste** D. More and more young

    asked by Asia on March 9, 2016
  66. SCIENCE

    a geologist working in a national park finds a mineral. he is carrying a kit that contains a penny, a hand lens, a pice of tile, a geologic hamer and a jack knife decribe how the geologist can use these items to determine some of the mineral's

    asked by AABBCC on October 25, 2015
  67. Mat/116 Algebra

    Hello I'm having some difficulities learning about the graphing, slopes, and equations, can you please help me with this: The price of an amusement park ticket is greather than or equal to $29 The inquality is? find the slope x+2y=4 A. M= B. or undefined

    asked by kiki83 on October 25, 2010
  68. SCIENCE

    a geologist working in a national park finds a mineral. he is carrying a kit that contains a penny, a hand lens, a pice of tile, a geologic hamer and a jack knife decribe how the geologist can use these items to determine some of the mineral's

    asked by AABBCC on October 25, 2015
  69. Help with Physics PLEASE

    A baseball is hit at 29.0 m/s at an angle of 50.0° with the horizontal. Immediately an outfielder runs 4.90 m/s toward the infield and catches the ball at the same height it was hit. What was the original distance between the batter and the outfielder?

    asked by Preston on October 12, 2011
  70. Physics

    A baseball is hit at 29.0 m/s at an angle of 50.0° with the horizontal. Immediately an outfielder runs 4.90 m/s toward the infield and catches the ball at the same height it was hit. What was the original distance between the batter and the outfielder?

    asked by Preston on October 12, 2011
  71. Physics

    a cross country runner runs 3km due east, 5km due south and 8km south west. what is the runners final displacement?

    asked by Tap on July 3, 2012
  72. physics

    An 82 kg man lowers himself to the ground from a height of 6.6 m by holding onto a rope that runs over a frictionless pulley to a 66 kg sandbag. With what speed does the man hit the ground if he started from rest?

    asked by jr on January 26, 2011
  73. statistics

    a statistics professor plans classes so carefully that the lenghts of her classes are uniformly distributed between 46.0 and 56.0 minutes. find the probability that a given class period runs less than 50.5 minutes

    asked by samantha on March 14, 2012
  74. Government

    I'm rather confused about the whole Social Security may go bankrupt thing...since our nation is $14+ trillion dollars in debt, why would Social Security benefits stop if money runs out, since we borrow for everything else?

    asked by Leslie on June 13, 2010
  75. Physics

    A hanging mass, M1 = 0.78 kg, is attached by a light string that runs over a frictionless pulley to a mass M2 = 1.48 kg that is initially at rest on a frictionless table. Find the magnitude of the acceleration, a, of M2 in m/s^2.

    asked by James on May 24, 2012
  76. Physics

    A small steel ball of mass 0.29 kg is fired at a speed 17.5 m/s and runs into some soft putty, penetrating a distance of 4 cm. What is the average force experienced by the ball from the putty?

    asked by Amolica on April 21, 2016
  77. Physics

    A Volkswagen runs straight off a cliff. The Volkswagen is traveling at a speed of 39.0 m/s when it leaves the road. If the cliff is 16.0 m high, how far horizontally does the car travel before it smashes into the ground below?

    asked by Maxine on October 1, 2014
  78. Algebra

    On successive plays, the home football team gains 12 yd, loses 3 yd, loses 5 yd, gains 15 yd and runs 16 yd for a touchdown. What is the average gain or loss in yards per play?

    asked by J on September 14, 2015
  79. Statistics

    A statistics professor plans her classes so carefully that the lengths of her class are uniformly distributed between 46.0 and 56.0 minutes. Find the probablity that given class period runs less than 51.75 minutes

    asked by Jamie on November 27, 2013
  80. physics

    Ann is driving down a street at 58 km/h. Suddenly a child runs into the street. If it takes Ann 0.778 s to react and apply the brakes, how far will she have moved before she begins to slow down?

    asked by dave on September 27, 2012
  81. Math

    Gabriel can ride his bike three times faster than he can run. He runs 9 miles and bikes 45 miles. If the total time for both activities is four hours, how fast can he run ?

    asked by Anonymous on October 31, 2016
  82. Statistics

    A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 50.0 and 52.0 minutes. Find the probability that a given class period runs between 50.25 and 50.5 minutes.

    asked by Kasey on June 30, 2014
  83. math

    in a hall tv runs from hours and 4 tube lights work n hours each frame an equation if the total number of units consumed is 4.8 find 3 solution of this equation

    asked by faisal on April 2, 2016
  84. physics

    In an amusement park ride, cars are suspended from L = 4.22 m cables attached to rotating arms at a distance of D = 6.25 m from the axis of rotation. The cables swing out at an angle of θ = 49° when the ride is operating. What is the angular speed of

    asked by Jon Tuck on February 18, 2012
  85. Physics

    At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer slides without friction, and descends through a vertical height of 3.01 m, and has a initial speed of 0.970 m/s, what is her speed at the bottom of the slide? ??? m/s

    asked by kamich74 on October 30, 2014
  86. Math

    The size of the beaver population at a national park increases at the rate of 4.3% per year. If the size of the current population is 142, find how many beaver there should be in 4 years. Use the function f(x)=4e^0.043t and round to the nearest whole

    asked by Anonymous on December 19, 2018
  87. Public HEALTH

    Different measures of disease are useful to evaluate and assess public health programs and needs in different situations. For each of the following situations indicate (1) which measure (from the list below) would best be used, and (2) explain why you

    asked by DANIELLE on March 16, 2008
  88. Finance

    Use the following financial statements for Lake of Egypt Marina, Inc. LAKE OF EGYPT MARINA, INC Balance Sheet as of December 31, 2012 and 2011 (in millions of dollars) 2012 2011 2012 2011 Assets Liabilities and Equity Current assets: Current liabilities:

    asked by Julie on September 9, 2012
  89. Math

    A steel plant has two sources of ore, source A and source B. In order to keep the plant running, at least three tons of ore must be processed each day. Ore from source A costs $20 per ton to process, and ore from source B costs $10 per ton to process.

    asked by Yolanda on August 9, 2015
  90. math

    A van came around a corner a hit me as I gently pulled off in a small car to help my court case we measure I was pushed over 40 meters How can I give an idea as to how fast he must have been travelling? Unfortunetly it is on the Isle of Man on a no speed

    asked by Janine on August 14, 2012
  91. Spanish

    Hi I have this nintendo ds game my spanish coach one of the games is fill int he blank but i think they might be wrong on one This is what was given, spanish and eng Usted __(to be filled in with "form va" they accept it is correct) a la derecha ena la

    asked by Kim on July 3, 2009
  92. Physics (Static Friction)

    When you take your 1300-kg car out for a spin, you go around a corner of radius 56.9 m with a speed of 15.8 m/s. The coefficient of static friction between the car and the road is 0.75. Assuming your car doesn't skid, what is the force exerted on it by

    asked by David on July 28, 2010
  93. math

    A plate in the first quadrant, bounded by the curves y=e^x, y=1, and x=4, is submerged vertically in water its upper corner on the surface. The surface of the water is given by the line y=e^4. Find the total force on one side of the plate if the weight of

    asked by ibranian on August 8, 2012
  94. Physics

    A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.90 s for the boat to travel from its highest point to its lowest, a total distance of 0.640 m. The fisherman sees that the wave

    asked by Marie on November 18, 2007
  95. Physics

    A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.90 s for the boat to travel from its highest point to its lowest, a total distance of 0.640 m. The fisherman sees that the wave

    asked by Schrei on November 18, 2007
  96. science

    I need help with this problem:you live in the middle of a block that is square and one mile around. there is a stop sign on each corner. if your carcan only accelerate and brake at one meter per second per second, describe how you would get around the

    asked by dave on October 28, 2006
  97. physics

    The chain is released from rest with a length b of overhanging links just sufficient to initiate motion. The coefficients of static and kinetic friction between the links and the horizontal surface have essentially the same value, μ. Determine the

    asked by lovely on August 29, 2013
  98. French - The Imperative - SraMcGin

    Okay. I really need help understanding "The Imperative", and some notes on the Superlative would be great too. I just finished understanding about the "Comparative". And it is pretty easy. I actually think that the Superlative seems to be easier than the

    asked by Sydney on April 13, 2011
  99. Physics

    A few kids decide to go to the park to go on the merry-go-round. They are the only ones there so the merry-go-round is not moving yet. They push it for 6.00 s and it moves over an angle of 129°. What is the final angular velocity of the merry-go-round?

    asked by Plz on November 28, 2016
  100. ACCT211

    Classiflying Manufacturing Costs The PC works assembles custom computers from components supplied by various manufactures. The company is very small and it assembly shop and retail sales store are housed in a single facility in a Redmond, Washington,

    asked by Mario Dipalma on May 5, 2011