1. Science

    I have two questions. 1. Describe what would happen if you rubbed a mineral with a Mohrs hardness value of 7 against a mineral with a value of 5? 2. Which mineral identification test would be easy for a person to perform at home. Which would be difficult.

    asked by Josie on October 1, 2009
  2. stastistics(psychology)

    A study was conducted to identify the predictors for symptomatic distress in EMS workers. Five predictor variables were used in a regression model and fitted to a data collected on n = 147 EMS workers and yielded F* = 34.47. In testing the usefulness of

    asked by jamal on February 3, 2012
  3. Physics

    Two spheres are launched horizontally from a 1.0 -high table. Sphere is launched with an initial speed of 4.5 . Sphere is launched with an initial speed of 3.0 . What is the time for the sphere A to hit the floor? What is the time for the sphere B to hit

    asked by anonymous on October 13, 2012
  4. English

    Use the passage to answer the question (shown below) Which quote shows how the author uses archetypal meanings to help characterize Mattie? A. "She stood just as Zeena had stood, a lifted lamp in her hand, against the black background of the kitchen." B.

    asked by Mania on January 3, 2019
  5. English

    Which of the following sentences contains an infinitive phrase? A. Racing through the park, she paused only to drink. B. Reading by flashlight does not cause bad vision. C. Mom’s idea was to pack the night before our early flight. D. Remembering every

    asked by Alexa on September 16, 2015
  6. hummanites

    What trend contributed to the nomadic lifestyle of the gulf cultures? A.trade with buffalo hunters B.arrival of apache in the south of Texas C.marshy land along the coast made farming difficult D.reintroduction of the horse by the Spanish

    asked by sela on November 29, 2013
  7. Chemistry

    What are the 4 categories included in the Periodic Table? There are many ways to categorize elements. I am uncertain how you got just four. The Originator of the four concepts did it this way... http://elements.vanderkrogt.net/chemical_symbols.html Maybe

    asked by Anonymous on October 26, 2006
  8. math

    he table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions, assume these values are not changing from year to year, and that the population of the United States is 312 million people. table: Cause Deaths

    asked by Anonymous on April 4, 2016
  9. English

    Choose the answer that best matches the word improvisation. Improvisation is so difficult because it cannot be planned. a. winning the lottery b. surprising someone with a party c. growing wealth in the stock market d. inventing on the spur of the

    asked by Kaai97 on January 19, 2016
  10. COM 155

    My favorite television show is Teen Mom. I am very surprised at how amazing the show actually is. The show is about four courageous women who instantly gave up their childhood to become mothers. It also shows how hard it is to finish school and take care

    asked by Renee on August 21, 2011
  11. physics

    A 5.0 kg book is sitting on a table. Which describes the force acting on the book a. there are no forces acting on the book b. the force of the table upward is greater than the force of gravity downward c. the net force on the book is zero d. kinetic

    asked by frank on February 26, 2010
  12. statistics

    Let the random variable x represent the number of girls in a family with three children. Assume the probability of a child being a girl is 0.42. The table on the right describes the probability of having x number of girls. Determine whether the table

    asked by slomomo on February 20, 2015
  13. statistics

    Let the random variable x represent the number of girls in a family with three children. Assume the probability of a child being a girl is 0.46. The table describes the probability of having x number of girls.Determine whether the table describes a

    asked by slomomo on February 18, 2015
  14. algebra

    The doctor want to know the effect of reducing blood pressure for a new medicine, chose 28 hypertensive patients to divide two groups randomly, one group as trial, another as control. the trial use the new medicine, the control use the standard medicine.

    asked by alfateh on December 25, 2014
  15. math

    A model rocket is shot straight up into the air. The table shows its height, h(t), at time t. Graph the table below and determine a function, in standard form, that estimates the height of the rocket at any given time. Time(s) Height (m) 0 0.0 1 25.1 2

    asked by Genny on March 26, 2015
  16. physics

    Tom the cat is chasing Jerry the mouse across a table surface 1.5 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5.0 m/s. Where will Tom strike the floor, and what velocity components

    asked by Anonymous on September 26, 2007
  17. algebra

    Simplify x + 7 / x^2 + 4x - 21 (This is a fraction) Answer choices - 1/x-3; where x does not equal 3.-7 x - 3; where x does not equal 3 1/x-7; where x does not eaul 7 x-7 Do the data in the table represent a direct varation or an inverse varition? writie

    asked by PLEASE HELP ASAP on May 19, 2015
  18. Chemistry

    Answer these questions about NaCl also known as table salt: 1. What is the name of the compound? 2.Are there any other names that it is known by? If yes, then please list them. 3.What is the chemical formula of the compound? Is it an ionic or covalent

    asked by Rea on March 1, 2015
  19. Chemistry

    how do i figure out the valences for elements in the transition elements section in the periodic table of elements (i need it for doing nomenclature) and how do i figure out the valences if i don't have the periodic table of elements examples: Zn Cu Ni Co

    asked by Sam on February 20, 2014
  20. math

    Ted wants to make an input- output table with numbers of meters as input values and numbers of centimeters as output values. What rule should Ted use for his table?

    asked by sam on July 18, 2013
  21. math, correction

    the equation is and directions are: graph x-y=-2 so then the equation would really be: y=-x+2 and from here i would do the table to plot the points. Close. y=x+2, not -x+2. Then, yes, plot the points. so your saying that the equation that i have to graph

    asked by Jasmine20 on January 25, 2007
  22. 7th grade math ms.Sue please asap!

    1. Which set represents a Pythagorean triple? (1 point) 27, 38, 42 33, 44, 55 35, 38, 42 68, 72, 81 2. Which number completes the Pythagorean triple: 12, 16, ____? (1 point) 18 20 22 24 3. A base ball diamond is square. The distance from home plate to

    asked by Delilah on October 17, 2012
  23. accounting

    What is the predetermined manufacturing overhead rate? The cost of the direct materials that can be used to manufacture the table are as follows. These cost are on a per unit basis. Table Top $ 1,700.00 Table Leg $ 500.00 Drawer $ 370.00 Assume a $35 per

    asked by koko on July 18, 2016
  24. calculus

    Please help with this. I submitted it below and was asked to clarify by Henry (hope this is clearer and thank you). I need the first derivative of f(x)=4(x+ sqrt (x(8-x)).And then the second derivative of this to show by the second derivative test that it

    asked by Frank on March 4, 2011
  25. physics help please

    an air puck of mass m1= 0.25 kg is tied to a string and allowed to revolve in a circle of radius R=1.0m on a frictionless horizontal table . the other end of the string passes through a hole in the center of a table and a mass of m2=1.0kg is tied to it.

    asked by joe on November 27, 2011
  26. physics

    An air puck of mass m1 = 0.24 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of m2 = 1.3 kg is tied

    asked by jojo on March 25, 2016
  27. physics

    An air puck of mass m1 = 0.24 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of m2 = 1.3 kg is tied

    asked by maryann on March 27, 2016
  28. Art

    Writeacher, I'm finding it difficult to rephrase the poem "I had been hungry all the Years" by Emily Dickinson. I wonder if you could help me. 1) Dickinson’s poetic universe is characterized by personal deprivation. In particular, in poem 579, “I had

    asked by John on June 10, 2012
  29. physics

    a pitches takes 0.10 seconds to throw a baseball, which leaves his hand at a velocity of 30m/s. the balls acceleration is?

    asked by ricajane on November 24, 2011
  30. Probability

    In the card game bridge, each of 4 players is dealt a hand of 13 of the 52 cards. What is the probability that each player receives exactly one Ace?

    asked by Anonymous on November 9, 2013
  31. physics

    Jessica stretches her arms out 0.6 m from the center of her body while holding a 2 kg mass in each hand. She then spins around on an ice rink at 1.1 m/s.

    asked by kylie on February 5, 2016
  32. calc

    how do i find the derivative of........ (sinx) ^2-(cosx) ^2 i put it into my t-89 and got -4sinxcosx butthats not a multiple choice. can someone tel me how to do this by hand?

    asked by James on March 28, 2010
  33. physics

    What force should the woman in Figure 9.45 exert on the floor with each hand to do a push-up? Assume that she moves up at a constant speed.

    asked by Mohanad on March 26, 2014
  34. Probability

    In the card game bridge, each of 4 players is dealt a hand of 13 of the 52 cards. What is the probability that each player receives exactly one Ace?

    asked by la la ala ala on November 10, 2013
  35. Health/ Basic Clinical Procedures

    please check my answer thanks For which of the following procedures should you wear gloves ? A veinipuncture B CT scan C EKG D hand washing I picked A

    asked by Helana on April 20, 2008
  36. physics

    a pitches takes 0.10 seconds to throw a baseball, which leaves his hand at a velocity of 30m/s the ball's acceleration is?

    asked by ricajane on November 24, 2011
  37. History

    During the debate over Reconstruction, is it more likely the moderate or radical republicans would gain the upper hand? Are there any sources available that could help me come to a reasonable conclusion?

    asked by Sarah on September 13, 2009
  38. social studies

    which is least likely to be found at the poverty point site ? a) clay cooking balls b) spears c) pendants d) hand plows

    asked by victoria on October 20, 2013
  39. Physics-10

    A karate chop delivers a blow of 300N to a board that breaks. The force that acts on the hand during this event is?

    asked by Stanley on March 4, 2011
  40. Math

    Toni has a collection of 24 angel figurines. She has five times the number of crystal angels as hand-painted ones. How many of each kind does she have?

    asked by Sara on December 9, 2008
  41. calculus

    Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your answer to four decimal places.

    asked by Dana on November 19, 2009
  42. Calculus

    Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your answer to four decimal places.

    asked by Dana on November 19, 2009
  43. Calculus

    I was wondering how to find the x and the y intercepts of the following equation y = xe^(-x^2/2) I know for a fact that the intercept is through 0,0 but I don't know how to do this long hand. When x is zero, y is zero, and vice versa.

    asked by Thomas on December 10, 2006
  44. art

    Animation has changed from each scene cell being drawn by hand to entire worlds being created on a computer. This is a goo example of

    asked by Anonymous on August 5, 2015
  45. Science

    suppose that you are given hand specimens of the carbonates calcite and dolomite. described two tests that would allow you to identify the samples. can someone help me on the question. plz and thank you

    asked by iNeedHelp on September 19, 2009
  46. algebra/have no idea how to do this one

    A=M [(1=r/n with an upper nt at right hand corner -1] than under that there is a r/n for m,r,and t assume monthly payments round to the nearest cent $150;8%; 40 years A=$

    asked by Mary Ann on May 18, 2014
  47. calculus

    Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 5. Use the left-hand rule with n = 50. (Round your answer to four decimal places.)

    asked by Anonymous on November 14, 2011
  48. Science Lab -Half-Life of Popcorn

    When a radioactive sample decays, there is one less parent nuclei and one more daughter nuclei. As this decay process continues, the number parent nuclei decreases and the number of daughter nuclei increases. Eventually there are no parent nuclei

    asked by Anonymous on October 29, 2010
  49. physics

    An air puck of mass m1 = 0.45 kg is tied to a string and allowed to revolve in a circle of radius R = 1.0 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass m2 = 1.10 kg is

    asked by melissa on November 30, 2010
  50. AP Physics

    This question had been asked for many times and I've read the solution and did it myself. Tom the cat is chasing Jerry the mouse across a table surface 1.5 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the

    asked by Anonymous on September 28, 2009
  51. Science

    Allyson was very interested in the results of the investigations in the stream table. She had read about a flash flood on a river flowing through a steep canyon in Colorado several years ago. The flood caused quite a bit of damage and loss of lives. She

    asked by Jenny on October 19, 2006
  52. physics

    3) A 5.0 kg book is sitting on a table. Which describes the force acting on the book a. there are no forces acting on the book b. the force of the table upward is greater than the force of gravity downward c. the net force on the book is zero d. kinetic

    asked by amber on February 23, 2010
  53. PHYSICS - urgent

    assuming there's no friction of, if two balls (one heavier than the other) are held up the same distance from the ground; the heavier ball will have more G.P.E than the lighter one, n when both are dropped, all the G.P.E can only change to K.E, as there's

    asked by Shahrukh on August 12, 2005
  54. philosophy

    What fallacies, if any, are present in the following passage? Can you please give reasons for your answer, that is, if you say that a fallacy has been committed, then show where the fallacy occurred, and explain why you think it is a fallacy? The passage:

    asked by Tim on November 20, 2007
  55. language

    Which of the following sentences demonstrates proper subject-verb agreement? a) Physics is a difficult subject to learn. b) Measles usually spread through respiratory fluids. c) The study of various sciences are compelling. d) News travel fast

    asked by alixie on October 27, 2015
  56. spanish

    please help me , i neeed help writing this in Spanish: My classes are very difficult, and i don't enjoy them mi (mis?) clases muy difícil, y yo no disfrutar de i know this is a messed up sentence, but i'm just giving it a try. can someone please show me

    asked by y912f on May 4, 2009
  57. English

    A theme of "Auld Lang Syne" could be: A. memories are valuable when put in their proper place. B. new friendships are valuable. C. loyalty in friendship is a difficult thing to find. D. New Year's Eve celebrations are important. I think it's C?

    asked by anthony on March 21, 2011
  58. Maths

    For this question, use the copy of the Random Number table provided at the end of this AAT. (This table was copied from page 111 in the Textbook.) Select 48 values according to the following criteria. o The first thirty (30) numbers must lie in the range

    asked by Anna on February 25, 2013
  59. Calculus

    Hi. How can I integrate 1/(X^3 +1) ? Thank you to anyone who can help me :-) Write 1/(x^3 +1) as 1/[(x+1)(x^2-x+1)] Then use integration by parts, letting dv = dx/(x^2 -x +1) u = 1/(x+1) du = log (x+1) v = (2/sqrt3)arctan[(2x-1)/sqrt3] That should take you

    asked by M on March 18, 2007
  60. multiple regression

    5. HR Assistant Survey A sample of HR assistants in Plano Texas was created. It was suggested that the data should be analyzed with a regression model to determine if salary was related to years of experience, aptitude test scores, EI (emotional

    asked by Nina on September 14, 2011
  61. English

    Identify the sentence that is punctuated correctly. A. She is wearing a new yellow dress, and looks clean and neat. B. The Kingdom of Bahrain has a settled well-educated population. C. He thinks that an apple a day keeps the doctor away. D. Working 9-5

    asked by Angela on May 5, 2014
  62. English Lit(Writeteacher)

    Would it be Ok to take this sentence out completely? A large home, a gardener, expensive furniture, the best clothes,and jewelry but it isn't enough to satisfy them enough to stop wasting all of the income from Richard's job on the expected position

    asked by Rocking Horse Winner revision on November 15, 2009
  63. English - Ms. Sue help

    I need help with this question i don't understand. Sometimes leaders have to make difficult decisions. Scott chose to pursue his goal of reaching the South Pole despite very dangerous weather conditions. What did he have to consider when making his

    asked by antboy on December 14, 2012
  64. English

    Identify the sentence that is punctuated correctly. A. She is wearing a new yellow dress, and looks clean and neat. B. The Kingdom of Bahrain has a settled well-educated population. C. He thinks that an apple a day keeps the doctor away. D. Working 9-5

    asked by Susan on May 6, 2014
  65. Chem- PLZ HELP!

    Consider 100g of 5.5% (mass) solution of NaNO3. Complete the following table, before calculating molarity, molality and mole fraction of NaNO3. Solute(NaNO3)|Solvent(H2O|Soln Mass(g) 100g Moles ---- RefInfo 85g/mol 18.02g/mol Density=1.00g/mol (This goes

    asked by Kate on March 3, 2011
  66. English (Check)

    As you read these sentences from Sinners in the Hands of an Angry God, use context clues to determine the meaning of each italicized word. Write your definition on the lines provided, along with an explanation of how you used context clues to help

    asked by Victoria on February 20, 2016
  67. English

    1. He set the table for dinner. (Does 'for dinner' modify 'the table' or 'set'?)

    asked by rfvv on December 6, 2015
  68. ALGEBRA 1

    Use inductive reasoning to predict the next Number in each sequence. 1.3,7,11,15... i figure this to be 19 because each number following the first is a difference of 4. 2. 1,-2,4,-8 this is abit difficult for me. I am guessing the answer tobe 10. I

    asked by DANIELLE on February 14, 2007
  69. Business

    Why is WACC important to an organization? Thank you for using the Jiskha Homework Help Forum. It is difficult to calculate the WACC but it is a solid way to measure the quality of y our investment. What impact does WACC have on capital budgeting and

    asked by Joseph on February 2, 2007
  70. calculus

    Please help with this. I submitted it below but no one responded. I need the first derivative of f(x)=4(x+ then the square root to include (x(8-x)), then close bracket.And then the second derivative of this to show by the second derivative test that it is

    asked by Frank on March 1, 2011
  71. physics

    You are driving on a very long, very straight 2 lane road, stuck behind a lorry which travels at a constant 75 km/hour. You want to overtake the lorry, which has a length of 12.0 m. You car is 3.8 m long. To overtake the lorry, and to do this safely, you

    asked by Anonymous on October 17, 2015
  72. physics

    You are driving on a very long, very straight 2 lane road, stuck behind a lorry which travels at a constant 75 km/hour. You want to overtake the lorry, which has a length of 12.0 m. You car is 3.8 m long. To overtake the lorry, and to do this safely, you

    asked by Physics on October 17, 2015
  73. English 2

    12. All of the following words describe Sir Lancelot Du Lake except a. loyal b. indirect c. strong d. clever B? 13. What is the most likely reason that Sir Lancelot doesn't initially fight the three Round Table knights at the end of the story? a. Sir

    asked by mysterychicken on October 11, 2010
  74. American History

    ---- TRUE of FAlSE??/ 1. The Allies had the upper hand against the Japanese in the Pacific during all of 1942. ------------my answer: True?? ** what does upper hand mean? i don't quite getr the meaning of the question. 2. The Soviet Union established

    asked by CM on April 29, 2008
  75. Math

    Hey, I need your help! I have an input output table that I need the function rule for. The table is like this: Input: 0 Output: 25 Input: 100 Output: 35 Input: 200 Output: 45 Input: 300 Output: 55 Input: 400 Output: 65 PLEASE I NEED YOUR HELP!!! Thanks!

    asked by C.J. on February 27, 2012
  76. English

    1. In “The Deadliest Tsunami in History,” the cause of the Indian Ocean tsunami was a. a rupture in the Burma plate*** b. an unintended explosion in Japan c. a tornado off the coast of Sumatra d. mass animal migrations to the North 2. In “The

    asked by Kaai97 on October 26, 2015
  77. MATH!!

    A caterer is planning a large party for 231 guest. Each table must seat an equal number of guest , more than 1 guest and fewer than 20. Determine the number of possible table sizes. If the caterers use 11 persons tables, how many tables will they need?

    asked by Beckey! on November 19, 2014
  78. Maths - Ant Colony

    A colony of ants is growing so that the total number of ants present, A, after a number of weeks, t, is shown in the table. t 5 10 15 20 25 30 A 140 200 280 400 570 800 The food supply available is such that it can feed A ants at any given time, t

    asked by Sinha on June 25, 2012
  79. Ant Colony (Maths)

    A colony of ants is growing so that the total number of ants present, A, after a number of weeks, t, is shown in the table. t 5 10 15 20 25 30 A 140 200 280 400 570 800 The food supply available is such that it can feed A ants at any given time, t

    asked by Ajay on June 27, 2012
  80. English

    Could you please check these two sentences, please? Thank you. 1) When I set the table, I lay on the the table cloth, the cutlery, the napkins, the soup and dinner plates, the water and wine bottles, the oil and vinegar bottles, the pepper shaker and the

    asked by Henry2 on December 6, 2011
  81. phsyics

    A cart of mass M1 = 6 kg is attached to a block of mass M2 = 3 kg by a string that passes over a frictionless pulley. The system is initially at rest and the table is frictionless. After the block has fallen a distance h = 1 m: What is the work Ws done on

    asked by Jamila on March 27, 2006
  82. Economics305

    As a manager of a financial planning business you have two financial planners, Phil and Francis. In an hour, Phil can produce either one financial statement or answer 8 phone calls, while Francis can either produce 4 financial statements or answer 10 phone

    asked by Mizzy Kay on February 8, 2010
  83. Physics

    A 160 N block rest on a table attached to a string and pulley. The suspended mass over the side of the table has a weight of 53 N. PART 1: What is the magnitude of the minimum force of static friction required to hold both blocks at rest? Answer in units

    asked by Elizabeth on October 3, 2010
  84. intermediate technology

    You have just written a ten-page report for your supervisor. The report outlines the total sales made by your team made in the past year, sales by region, and sales by quarter. While it is important to write out the detail of each category of sales in

    asked by tavarus on July 10, 2012
  85. science

    Between a 700kg elephant moving at a velocity of 18km/h East and a 74kg cheeetah moving at 31m/s East. Which is more difficult to stop? Why?

    asked by Chlöe on June 21, 2016
  86. Science

    Can someone help me/check with this work? 1. _______ is the rate of change of position. A.Speed***** B.Velocity C.Acceleration D.Deceleration 2. Which of the following is the difference between speed and velocity? A. direction***** B.units C.speed D.none

    asked by Angelica is better on May 18, 2017
  87. english

    In the answer area below, write the conjunction in the following sentence. Sentence: Give it to the boy or his mother. This doesn't seem like it should be difficult, but I want to make sure I understand. Is 'or' the conjunction?

    asked by Jason on October 22, 2010
  88. geography

    How did the Athenian democracy keep one person from gaining to much power? I say it's because all of the citizens rule the civilization not allowing any person to overthrow one making it difficult for them to overthrow many.

    asked by INEEDHELP on January 15, 2019
  89. Algebra 2

    Solve and Graph: ( i know that second part would be difficult but can you possibly explain it more) -3©¦x+4©¦-5 ¡Ý 10 Please explain. I would really appreciate it. I'm not in school, i'm homebound and mom will not allow me to attend tutuoring at

    asked by Catilyn on February 7, 2013
  90. world issues

    Identify at least two issues in developing countries that make changing to democracy easier or more difficult. Provide at least one real world example of one of the issues that you identify.

    asked by Sandra on January 16, 2011
  91. Anatomy

    which would have a more difficult time maintaining body weight at a cooler tempertature a mouse on a diet including ptu and a mouse on a regular diet

    asked by Carla on February 4, 2010
  92. science

    which would have a more difficult time maintaining body weight at a cooler tempertature a mouse on a diet including ptu and a mouse on a regular diet

    asked by Carla on February 4, 2010
  93. literature

    The most difficult concept in this poem may be that of heaven being the old abode of loneliness. What do you think that means? The poem Loneliness by Rainer Maria Rilke.

    asked by anonymous on September 21, 2012
  94. human services

    I am having a difficult time finding the goals and objectives for the organization Easter Seals UCP. Could someone help me find what their goals and objectives are?

    asked by Anonymous on September 28, 2007
  95. Biology

    Do you expect that somatic cell gene therapy and germ-line gene therapy for the same disease will be equally difficult?

    asked by Aaron on April 28, 2016
  96. U.S. Government and Politics

    I need help on this question. I have 30 questions and this is the only one i'm stuck on. Why did the Framers of the Constitution create a mechanism for amending the Constitution but then make it very difficult to actually make any changes?

    asked by Mary on September 27, 2013
  97. Anthropology

    What are the formal and informal mechanisms of social control? Give examples. Can I get help here. I know formal is law and informal is difficult to label.

    asked by jimmy on February 19, 2015
  98. general physics

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2 and the other end is connected to box 3. The weights of the three boxes

    asked by ODU on July 25, 2013
  99. physics

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes

    asked by Natasha on February 21, 2012
  100. physics

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes

    asked by josh on June 30, 2013