1. Physics help

    You are pushing three equal boxes, 8kg each, with a force of 250 on the first. What is the magnitude of the force of the first box on the second box? _________N What is the magnitude of the force of the third box on the second? _________N
  2. Physics help

    You are pushing three equal boxes, 8kg each, with a force of 250 on the first. What is the magnitude of the force of the first box on the second box? _________N What is the magnitude of the force of the third box on the second? _________N
  3. sports-

    i really need help for an assignment. it askes to name the contraction phases, joints and muscles involved in the following exercises: biceps curl, seated row, press up, squat and calf raise. iv been searching everywehere. ne extra help would be great
  4. writting skills

    Sentence 8:Be certain that you own one (and preferably,two) "business" outfits jeans, sandals,and tank tops ----------- will not impress any potential employer. Which of the following is the best way to write the underlined portion of this sentence? If you
  5. math

    Jeff put a small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that is 20 inches long, 15 inches wide, and 9 inches high. How much space is left in the larger box?
  6. Writing skills

    I need to write 5 sentences about the role of education in successful financial planning we need to use proper verb tense in each sentence could you tell me if I used proper verb tense in this sentence? These skills help us to use proper mathematical
  7. physics

    a box containing 2.00m cubed of air is sealed at sea level pressure of 1.0 atm and a temperature of 20.0 degrees celsius. if the box is heated in an oven to a temperature of 250 degrees celsius, what is the final pressure in atm in the box?
  8. to writeacher

    The following sentence illustrate several kinds of nonparallel constuction. Rewrite the sentence to achieve parallelism. If you insist on reading the Old Testament all the way through and to do the same with the New Testament, you are in for some big
  9. lorentz contraction

    I've tried for hours to solve for v, but can't get the rearranging right. I'm using L= Lo sqrt 1- v^2/c^2 Can anyone suggest the first couple of steps? I can get the answer by the way, by substituting values 'til I get the contracted length. Original and
  10. math

    Santana wants to cover a gift box shaped like a rectangular prism with foil. The foil costs $0.03 per square inch. Santana has a choice between Box A which is 8 inches long, 3 inches wide, and 6 inches high, and Box B which is 10 inches long, 3 inches
  11. Math

    Twelve boxes of pencils cost $16. Write an equation that could be used to find the cost per box.
  12. particle in a box

    Find the ground state energy of a particle restricted to move in one dimension subject to the potential below using perturbation theory. The box is like a normal box except it has a step in the middle of it making it have 2 wells with length a and the
  13. Geometry

    There is a 4×6×18 inch cereal box lying on the floor. It was placed face down on one of its 6×18 inch face. An ant is located at one of the bottom corners of the box. It wants to reach the opposite bottom corner (of the 6×18 face on the floor), by
  14. math

    A manufacturer sells widgets, each of which is packaged in a box whose dimensions are 8 centimeters by 8 centimeters by 8 centimeters. Design the dimensions of a box to ship widgets. Your box must hold at least 1000 widgets. (Enter your answer in the form
  15. physics

    While moving in, a new homeowner is pushing a box across the floor at a constant velocity. The coefficient of kinetic friction between the box and the floor is 0.25. The pushing force is directed downward at an angle θ below the horizontal. When
  16. Physics

    While moving in, a new homeowner is pushing a box across the floor at a constant velocity. The coefficient of kinetic friction between the box and the floor is 0.27. The pushing force is directed downward at an angle θ below the horizontal. When
  17. 3 grade english

    rewrite the sentence, adding the missing helping verb. (in the paper is) That make a lot of children unhappy. my son rewrite the sentence and he write That will make a lot of children unhappy.
  18. Chem

    Using condensed electron configurations, give reactions showing the formation of the common ions of the following elements. (Type your answers in the following order. In the first box enter your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.
  19. Physics

    A box of mass m = 59.0 kg (initially at rest) is pushed a distance d = 84.0 m across a rough warehouse floor by an applied force of FA = 204 N directed at an angle of 30.0° below the horizontal. The coefficient of kinetic friction between the floor and
  20. Acc Algebra 2

    The length, width, and height of a rectangular box are consecutive integers, and the largest dimension is k cm. find the volume V of the box (Hint: V= lwh)
  21. Calc

    A rectangular box, with a square base and open at the top is to be constructed. If the volume of the box needs to be 108 cubic feet, what is the minimum surface area?
  22. physics

    suppose that a 70.0kg box is pulled by a 400.N force at an angle of 30 degrees to the horizontal. the coefficient of sliding friction is 0.500. what is the acceleration of the box?
  23. math

    a manufacturer wants to design an open box that has a square base and a surface area of 48sq units what dimension will produce a box with a maximum volume?
  24. Math

    A marble is 12mm in diameter. What is the smallest height box that is 96mm square that can hold 200 marbles and still have the lid fit on the box without interference?
  25. Physics- Pls help~review for test!

    A 10.0 kg box is pulled along a horizontal surface by a 40N force which is applied at a 30.0 degree angle. If uk = 0.3, calculate the acceleration of the box.
  26. physics

    An airplane traveling 1001 meters above the ocean at 35 m/s is to drop a box of supplies to shipwrecked victims below. a. How many seconds before being directly overhead should the box be dropped?
  27. Math

    i have a piece of paper 22 in. long and 16 in. wide. i cut a 2 in. x 2 in. square from each corner. i then folds up the sides and forms a box with an open top. what is the volume of this box?
  28. Maths

    A box with no top is to be built by taking a 6'' - by - 10'' sheet of cardboard and cutting x - in. squares out of each corner and folding up the sides. Find the value of x that maximizes the volume of the box.
  29. Physica

    a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is
  30. Physica

    a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is
  31. Pre Calc

    an open box is to be formed by cutting squares from a square sheet of metal that is 10 cm on a side and then folding up the sides. What i the maximum volume of the box?
  32. Math

    a marble is 12mm diameter. What is the smallest height box that is 96mm square that can hold 200 marbles and still have the lid fit on the box without inference
  33. physics

    Starting from rest, a rope with a tension 30 N pulls a 2.0 kg box up a 2.0 m long, 30 degree smooth incline. What is the speed of the box at the top? Please show steps! Thanks
  34. Physica

    a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is
  35. pyshics

    8. The coefficient of static friction between a 150-kg box of medical equipment and the floor is 0.35. Would 450-N force applied horizontally be enough to cause the box to move from rest?
  36. calculus

    1. A sheet of cardboard 3 ft. by 4 ft. will be made into a box by cutting equal-sized squares from each corner and folding up the four edges. What will be the dimensions of the box with largest volume?
  37. physics

    8. The coefficient of static friction between a 150-kg box of medical equipment and the floor is 0.35. Would 450-N force applied horizontally be enough to cause the box to move from rest?
  38. Physics

    A force of 2000N is used to push a box up am inclined plane that is 15m long. If the 100 kg box is raised to a height of 8m,how much work is done against friction ?let g=10m/s^2.
  39. Calculus

    A closed box is to be a rectangular solid with a square base and volume of 12 ft^3. Find the most economical dimensions if the top of the box is twice as expensive as the sides and bottom.
  40. physics

    A charge Q is located inside a rectangular box. The electric flux through each of the six surfaces of the box is: Ö1 = +1480 N · m2/C, Ö2 = +2240 N · m2/C, Ö3 = +4220 N · m2/C, Ö4 = -1780 N · m2/C, Ö5 = -3550 N · m2/C, and Ö6 = -5250 N · m2/C.
  41. health

    what is the primary function of the skeletal muscle a. protecting the body from harm b. heating the body c. contraction d. pumping blood to the rest of the body
  42. health

    What is the primary function of the skeletal muscle? A. Heating the body B. Pumping blood to the rest of the body C. Protecting the body from harm D. Contraction C?
  43. Health

    What is the primary function of the skeletal muscle? A. Contraction B. Pumping blood to the rest of the body C. Protecting the body from harm D. Heating the body
  44. Health

    What is the primary function of the skeletal muscle?. A. Contraction B. Heating the body C. Protecting the body from harm D. Pumping blood to the rest of the body
  45. Math calculus

    Which box is bigger the 10*4*1 or the 6*4*3 box. Thanks.
  46. geometry

    what is the volume of a box if the box measure is 70
  47. English

    1. (1) On the last day of February, Forrest wanted to see whether or not it was finally warming up outside. (2) To find out, he donned his favorite coat, which he had received for his birthday, and headed outdoors. (3) He shut the door behind him, locked
  48. physics

    Two boxes sit side-by-side on a smooth horizontal surface. The lighter box has a mass of 5.18 kg, the heavier box has a mass of 7.51 kg. (a) Find the contact force between these boxes when a horizontal force of 3.9 N is applied to the light box.
  49. Language Arts

    When the doorbell rang, I just sat down to watch my favorite television show. (The whole sentence is underlined) a. Misplaced modifier b. Subordinate clause c. Complex sentence d. Compound sentence My answer is d.
  50. grammar

    please check and let me know if this is correct. What the teacher is asking for for the sentence be changed to is to the left. Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to
  51. English

    Choose three items from the list below. Define your three chosen errors. Write two sample sentences for each choice: one that demonstrates the error and one that corrects the error. In a paragraph, describe how you plan to improve these areas in your
  52. Physic

    Two boxes sit side-by-side on a smooth horizontal surface. The lighter box has a mass of 5.91 kg, the heavier box has a mass of 7.67 kg. Calculate the contact force between these boxes when a horizontal force of 5.09 N is applied to the light box. and
  53. physics

    A)Two boxes sit side-by-side on a smooth horizontal surface. The lighter box has a mass of 5.60 kg, the heavier box has a mass of 7.65 kg. Calculate the contact force between these boxes when a horizontal force of 4.83 N is applied to the light box.
  54. english

    Identify the question word that is answered by the underline word pr phrase in each sentence.Then write a question below the sentence using the correct question word. ____1.Drivers should drive carefully to avoid accidents? underline carefully
  55. physics

    A closed box is filled with dry ice at a temperature of -78.5 degree C, while the outside temperature is 21.0 degree C. The box is cubical, measuring 0.350m on a side, and the thickness of the walls is 3.00*10^-2 m. In one day, 3.10*10^6 J of heat is
  56. physics

    A rectangular box of length 2/3m is initially traveling at 2 m/s with its entire length over a smooth (perfectly frictionless)surface .The box gradually moves onto a rough surface and stops the instant that its entire length is positioned within the rough
  57. English

    1. Write sentence using obscured and revealed. 2. Sentence using compulsory and optional. 1. Heavy brush had totally obscured the entrance until someone cut away the branches and the entrance was revealed. 2. If your child hasn't met the compulsory
  58. english

    Change the italicized clause to a nominative absolute. Rewrite the entire sentence in the box below. As the hurricane season was over, people returned to the cottages on the beach. as the hurricane season was over is italicized.
  59. Physics

    *I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we
  60. Physics

    A box of mass 1kg is placed on a table and is connected to a hanging mass m by a string strung over a pulley. If the coefficient of kinetic friction between the box and the table is .3 and the box slides at a constant speed of .5m/s what is the weight of
  61. AFM (MATH)

    a) Write an equation to represent the volume of an open box constructed by cutting congruent squares from the corners of a 24" by 14" piece of cardboard. b) What is the domain of this model?
  62. Language Art

    How to write goalie in a possesive form sentence
  63. English

    Write two possible interpretations of this sentence: Fish makes best sandwiches !
  64. 2nd grade

    i have to write two sentences that contain atleast two words in each sentence from following what,who,where,when,why,how,with
  65. Math

    Write a function rule that represents the sentence. C is 8 more than half of n. c=8+n/2****** c+8=n/2 c+8=1/2+n c=n/2-8
  66. Math

    Write the word sentence as an equation. The product of a number n and 2 is 2.
  67. writing

    how to write a full-sentence outline on teen violence cause
  68. English

    With the election so near, the mayor became RETICENT about..... what could i write to finish the sentence?
  69. English

    Write a sentence using the word: programme to show the meaning.
  70. Chemistry

    write a sentence for the following reaction PCl5(s)=PCl3(s)+Cl2(g)
  71. suranthi

    . Write a program which ask the user to enter a sentence (character by character) and when user press full stop (.) character program should display the full sentence and exit.
  72. math

    find the volume of iron required to make an open box whose ,external dimensions are 36 cm *25 cm *16.5 cm, the box being 1.5 cm thick throughout . if 1 cm ^3 of iron weights 8.5 grams , find the weight of the empty box in kilogramsfind the volume of iron
  73. Physics

    Two boxes of mass 7.40 and 7.00 kg are in contact and are accelerated across a horizontal surface by an force of 51.49 N applied parallel to the surface and pushing on the lighter box. The magnitude of the frictional force between the surface and the
  74. Physics special relativity

    The distance from earth to the galactic centre is 23000 ly. What constant speed would be required to make the journey in 30 y of an astronaut's lifetime? I know the answer should be 0.99999915c but don't know how to get there with time dilation or length
  75. sports physiology

    i really need help for an assignment. it askes to name the contraction phases, joints and muscles involved in the following exercises: biceps curl, seated row, press up, squat and calf raise. iv been searching everywehere. ne extra help would be great
  76. sport kinesiology

    i really need help for an assignment. it askes to name the contraction phases, joints and muscles involved in the following exercises: biceps curl, seated row, press up, squat and calf raise. iv been searching everywehere. ne extra help would be great
  77. sports physiology

    i really need help for an assignment. it askes to name the contraction phases, joints and muscles involved in the following exercises: biceps curl, seated row, press up, squat and calf raise. iv been searching everywehere. ne extra help would be great
  78. Math

    The box-and-whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grades at Lincoln Middle School. Two box and whisker plots are shown above a number line. The number line is scaled from 2 to 38 by
  79. Math

    The box-and-whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grades at Lincoln Middle School. Two box and whisker plots are shown above a number line. The number line is scaled from 2 to 38 by
  80. HEALTH

    The connective tissue covering ________ for the delicate cells and allow them to withstand the forces of contraction. A. Furnish energy and power B. Prevent bone loss C. Furnish support and protection D. All of the above C?
  81. Language Arts

    15. Read the following lines from the story “Forbidden Fruit.” Of course, in childhood there were occasions when I could have tasted pork in kindergarten or ate at the home of a friend, but I never broke the commandment. When we had rice and pork in
  82. Grammar and Composition [Ms.Sue]

    2. After the blizzard, many travelers were stranded at the airport, and they had to stay at nearby hotels to get some rest and make alternate travel plans in the morning. a. this is a simple sentence b. this is a compound sentence c. this is a complex
  83. algebra

    Amy's project in metal shop class is to make a box (with no lid). Her shop teacher gave her a piece of metal that is 28 cm long and 20 cm wide. The assignment is to form the box by cutting squares out of each corner and bending the sides as shown below.
  84. math

    A box with an open top has vertical sides, a square bottom, and a volume of 256 cubic meters. If the box has the least possible surface area, find its dimensions.
  85. calculus

    a box with no top is to be built by taking a 12''-by-16'' sheet of cardboard and cutting x-inch squares our of each corner and folding up the sides. find the value of x that maximizes the volume of the box
  86. Pre-Cal

    I have a piece of paper 22 in. long and 16 in. wide. I cut a 7 in. x 7 in. square from each corner. I then fold up the sides and form a box with an open top. What is the volume of this box?
  87. math

    two cereal boxes have corresponding edges in a ratio of 2:3 If the smaller box sells for $2.50 and the larger box for $4.00, which is the better buy? Why? What assumption(s) do you have to make when solving the problem? Estimate, then check.
  88. Math

    You have a 50 cm x 50 cm card board. Squares with side length h are cut out of the corners and the sides are folded up to make a box. What polynomial represents the volume of the box formed?
  89. Physics

    a 20kg box is pulled across ahorizontal surface with aforce of 100nt. The coefficient of friction is .3 (a) find the acceleration. (b) how far will the box move in 5 sec. (c) What is the velocity at this time?
  90. physics

    a rectangular box of mass 400g has a diameter 20cm by 10cm by 5cm compute the pressure it exerts on each face of the box when it rests on a table take g=10m/s2
  91. calc

    If an open box has a square base and a volume of 91 in.3 and is constructed from a tin sheet, find the dimensions of the box, assuming a minimum amount of material is used in its construction.
  92. science

    A force of 2000N is used to push a box up an inclined plane that is 5m long. If the 100 kg box is raised to a height of 8m, how much work is done against friction? Let g equal 10 m/s2; I need to know how to set the problem up
  93. Calculus

    An open top box with a square base is to have a volume of exactly 500 cubic inches. Find the dimensions of the box that can be made with the smallest amount of materials.
  94. Physics Dynamics

    A 5.0-kg box is pulled horizontally with a 45-N force that makes angle of 40 degree with the horizontal. The coefficient of kinetic friction of the surface is 0.20. What is the magnitude of the acceleration of the box?
  95. aLGEBRA

    Tracy wants to purchase custom-made bumper stickers to advertise her business. Two websites offer different deals: Website A: Pay a fee of $116.00, plus $0.50 per bumper sticker or Website B: Pay a fee of $99.50, plus $0.65 per bumper sticker At least how
  96. science

    How do you send a Pringles potato chip in the mail using only 2 pieces of typing paper and 1 roll of scotch tape without breaking it? wow that's confusing put it in the fragile mail possibly fold the typing paper to form a box and tape it. that cradles the
  97. Physics

    A 0.250 kilogram box has a speed of 2m/s when it is 1.2 meters from a second mass. It is sliding on a table with a coefficient of friction of 0.20. The box collides and sticks to a 0.5kg box that sits on the end of the table, causing the boxes to fall. How
  98. English

    All of the following statements about simple sentences are true except a. a simple sentence consists of a subject and a verb. b.a simple sentence may have two or more subjects. c.a simple sentence may have two or more verbs. d.a simple sentence may contain
  99. english

    tomorrow i am writing an exam in complex sentence analysis.i have some troubles..We'll get a complex sentence but very large one(last time we got sentences which were 4 lines long)and then we have to write what is the subject what is the verb, adverb or
  100. english essays

    Ok..so i have to write an essay over heros..i have the intro but i cant seem to start the first paragraph. HELP PLZ! THANKS RizzA First of all, do you have an outline or plan for the main ideas of your paper. The intro is probably one of the last things