1. ap chemistry

    How much heat is required to heat 19 g of solid silver from 100 ◦C to liquid silver at 961◦C? The specific heat of solid silver is 0.235 J/g ·◦ C, and the heat of fusion of silver at its melting point of 961◦C is 11.3 kJ/g. Answer in units of kJ

    asked by gabriella on October 22, 2013
  2. chemistry

    How much heat is required to heat 28 g of solid silver from 130 ◦ C to liquid silver at 961 ◦ C? The specific heat of solid silver is 0.235 J/g · ◦ C, and the heat of fusion of silver at its melting point of 961 ◦ C is 11.3 kJ/g. Answer in units

    asked by Austin on October 2, 2012
  3. Cruz

    A ferris wheel is elevated 1 meter above ground. When car reaches the highest point of the ferris wheel it's altitude from ground level is 31 meters. How far away from the center,horizontally, is the car it is at an altitude of 25 meters?

    asked by Shane on June 8, 2017
  4. Math

    A hot air balloon is observed from two points A and B on the ground A and B are 800 feet apart the balloon is east of both points the angle of elevation from A to the balloon is 37 degrees and the angle of elevation from B is 65 degrees what is the

    asked by Adreeanna on January 20, 2013
  5. business

    As a newly hired Staff I, you are responsible for analyzing the work papers for one of the clients of your organization. Your client is not clear about why you are asking for information on the following topics: o Adjusting lower of cost or market

    asked by LILIANA on June 23, 2010
  6. business

    Adrian Bicycle Company (ABC) has the hottest new products on the upscale toy market for boys’ and girls’ bikes in bright fashion colors, with oversized hubs and axles, shell design safety tires, a strong padded frame,-chrome plaited chains, brackets

    asked by Anonymous on March 31, 2016
  7. physics

    In the figure, a 5.40 kg block is sent sliding up a plane inclined at θ = 37.0° while a horizontal force Upper F Overscript right-arrow EndScripts of magnitude 50.0 N acts on it. The coefficient of kinetic friction between block and plane is 0.300. What

    asked by tresor on October 7, 2018
  8. physics

    An extreme skier, starting from rest, coasts down a mountain slope that makes an angle 25.0° with the horizontal. The coefficient of kinetic friction between her skis and the snow is 0.200. She coasts for a distance of 13.8 m before coming to the edge of

    asked by Kelly on July 29, 2011
  9. physics

    an extreme skier starting from rest, coasts down a mountain that makes an angle 25.0¨¬with the horizontal. The coeffiecient of kinetic friction between her skis and the snow is 0.200. She coasts for a distance of 8.4m before coming to the edge of a

    asked by sharon on October 31, 2009
  10. Physics

    An extreme skier, starting from rest, coasts down a mountain slope that makes an angle of 25.0o with the horizontal. The coefficient of kinetic friction between her skis and the snow is 0.200. She coasts down a distance of 10.4 m before coming to the edge

    asked by Eisya on August 25, 2017
  11. maths

    Draw a right -handed rectangular reference frame with axes ranges x = -5 to +5, y = -5 to +10 , z = -5 to +5. Sketch the following planes on your reference frame. X-y plane passing through z =5, y-z plane passing through x = -2, z-x plane passing through y

    asked by gale gale on February 9, 2015
  12. CAL

    The _____________ of a function is a formula for the slope of the tangent line to that function at any point x. When the function is defined as f(x), the derivative will be written as __________or ________. When the function is written in the form of y =,

    asked by StevE on November 6, 2014
  13. Calculus

    1. The radius of a sphere is expanding at a rate of 14 in/min. a) Determine the rate at which the volume is changing when the radius is 8 in. b) Determine the rate at which the surface area is changing when the radius is 8 in. 2. A particle moves along a

    asked by Anonymous on January 17, 2015
  14. environmental science

    Explain the main point concerning exponential growth and whether it is good or bad. Compare exponential growth to a logistic growth curve and explain how these might apply to human population growth. What promotes exponential growth? What constrains

    asked by len on November 2, 2011
  15. Statistics

    The average grade point average(GPA)of undergraduate students in New York is normally distributed with a population mean of and a population standard deviation of. Compute the following, 1)The percentage of students with GPA'S between 2.0 and 2.6 2)If a

    asked by Charlene on October 6, 2014
  16. physics

    A negative point charge, q, is placed near a positive charge, Q. The distance between the charges increases as q is moved farther from Q. Which quantity will decrease as q is moved away? electric potential energy electric potential electric potential

    asked by dawson on June 27, 2017
  17. Calculus

    1. The radius of a sphere is expanding at a rate of 14 in/min. a) Determine the rate at which the volume is changing when the radius is 8 in. b) Determine the rate at which the surface area is changing when the radius is 8 in. 2. A particle moves along a

    asked by Anonymous on January 18, 2015
  18. calculus

    Suppose the function G(t) represents a test grade (out of 100 points) as a function of hours studied. If G(t)=-0.046t^3+0.915t^2+38.005 points, what is (dG/dt)when t=4? Round your answer to the nearest point per hour. a. 50 points per hour b. 3 points per

    asked by Roger on September 20, 2011
  19. essay

    As a immigrant, I know that I have less chance to get into the University of California than other people. But I never give up the thought of getting into UC. As I mentioned before, I have taken as many college prep classes I could to meet the UC's

    asked by JJ on November 30, 2006
  20. accounting

    Enter transactions: 1. owner contributes $6,00 cash 2. $2,000 in revenue on account 3. $1,500 cash from debtors 4. Rent expense cash $400 5. $300 in cash for salaries invested $2,500 in a certificate of deposit(terms - 12 months, rate of interest - 8%)

    asked by kay on June 15, 2011
  21. LAB!!

    I have to find the molar enthalpy of combustion of pentane. I have this info: 5C(s) + 6H2 >>> C5H12 Hf= -173.5kJ C+O2>>> CO2 Hf= -393.5kJ H2 + 1/2O2 >>> H2O Hf= -241.8kJ H2O >>> H2O Hf= +44.0kJ THEN I am given this: mass of pentane= 2.15g volume of water

    asked by Hey! on August 6, 2006
  22. L.A.

    My English teacher hates this story I wrote. So do I, but I don't know how to make it better. It is a compare and contrast paper about Hitler and Lisa (main character in a book we read called, The girl who owed a city). I don't know what to do! Help! Both

    asked by Taylor on April 15, 2008
  23. HIPAA repsot

    ok this what I have now please let me know what you think thanks so much Congress implemented the Health Insurance Portability and Accountability Act (HIPAA), which enables individuals to have more control over their own health information. This helped to

    asked by kaleigh on August 10, 2008
  24. physcis

    After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 35.5 m horizontally from the end of the ramp. His velocity, just before landing, is 18.5 m/s and points in a direction 43.2 ° below the horizontal. Neglecting

    asked by KayLyn on February 19, 2012
  25. trigonometry

    a captive balloon is connected to a ground station A by a cable of length 842 ft inclined 65 degrees to the horizontal. In a vertical plane with the balloon and its station and on the opposite side of the balloon from A, a target B was sighted from the

    asked by rhinechilde on August 26, 2014
  26. Physics

    A 22 g ball is fastened to one end of a string 86 cm long and the other end is held fixed at point O so that the string makes an angle of 35 ◦ with the vertical, as in the figure. This angle remains constant as the ball rotates in a horizontal circle.

    asked by Lita on January 8, 2015
  27. Physics 11

    Confused about the formula (1/-f)= (1/do)+(1/-di) For locating an image for a convex mirror. A rose is placed 15cm in front of a convex mirror of focal length 10cm. Determine the location of the image using the mirror equation. (1/-10)=(1/15)+(1/-di)

    asked by Kayla on June 18, 2017
  28. Physics Classical Mechanics

    A gyroscope consists of a uniform disc of mass radius M= 2 kg and radius R= 0.2 m . The disc spins with an angular speed ω= 300 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the horizontal (see

    asked by Anonymous on November 14, 2013
  29. Physics

    Point charges Q1 ,Q2 , and Q3 reside on three corners of a square with sides of 1m ; the distance from Q2 to P3 is 2m (see diagram). (a) What is the electric potential,V , at P1 ? (Normalize the potential to be zero at infinity and give your answers in

    asked by P on March 5, 2013
  30. physics

    After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 62.3 m horizontally from the end of the ramp. His velocity, just before landing, is 22.0 m/s and points in a direction 40.3 ° below the horizontal. Neglecting

    asked by Samantha on October 5, 2013
  31. Factoring Trinomials

    Working on how to factor trinomials, and the method that works best for me is the criss cross method, so Ive sticked with it. But Ive been stuck on one question for the past few minutes, and don't know what I've been doing wrong. 4x^2+23x+15 2x and 2x

    asked by -Untamed- on October 31, 2011
  32. trigonometry

    a captive balloon is connected to a ground station A by a cable of length 842 ft inclined 65 degrees to the horizontal. In a vertical plane with the balloon and its station and on the opposite side of the balloon from A, a target B was sighted from the

    asked by rhinechilde on August 27, 2014
  33. physics

    After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 44.5 m horizontally from the end of the ramp. His velocity, just before landing, is 15.4 m/s and points in a direction 35.1 ° below the horizontal. Neglecting

    asked by Shelby on February 18, 2012
  34. PHYSICS (HELP)

    A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.1 m . The disc spins with an angular speed ω= 300 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the horizontal (see

    asked by Anonymous on November 14, 2013
  35. math

    a captive balloon is connected to a ground station A by a cable of length 842 ft inclined 65 degrees to the horizontal. In a vertical plane with the balloon and its station and on the opposite side of the balloon from A, a target B was sighted from the

    asked by rhinechilde on August 27, 2014
  36. Physics HELP!!

    A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 200 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the horizontal (see

    asked by bob on November 20, 2013
  37. english essay help

    hi,in my english class, we had to read an article about a girl who attended stanford. she went for an interview and had trouble filling out the forms. she thinks that colleges don't offer classes that help kids in real life situations. for example, she

    asked by julie on November 26, 2007
  38. Accounting

    Use the following adjusted trial balance of Webb Trucking Company to prepare a classified balance sheet as of December 31, 2005. 4-4 Account Title Debit Credit Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 7,000 Accounts receivable . .

    asked by Robin on September 8, 2009
  39. LA

    9. Read the following list of plot events from the novel. 1. Phoebe receives a third anonymous message 2. Margaret and Mr. Brikway replant the rhododendron bush. 3. Sal's father discovers the fireplace behind a wall in their farmhouse. 4. Margaret helps

    asked by Anonymouse on May 15, 2017
  40. Repost Repost Bio

    I asked this, and didn't get a very helpful response. Question: hi, i did this lab, from this website and I was wondering if anyone could come up with 3 sources of error, and they can't be human error. Thanks! You are saving me! Seeing as I am not allowed

    asked by InSANELY URGENT(Science teacher help) on February 26, 2008
  41. PHYSICS

    A body of mass 100.0g is attached to a hanging spring whose force constant is 10.0 kN/m. The body is lifted until the spring is in its unstretched state. The body is then released. Using the law of conservation of energy, calculate the speed of the body

    asked by Maggie on September 13, 2006
  42. Physics

    This has been bugging me, I am given the steps to the answer, yet when I try to redo it I cannot reach the same answer. It is probably some silly mistake that I don't seem to notice, can someone please point my error, Thank you! Context : Physics The

    asked by nathan on December 11, 2018
  43. Social Studies

    which of the following best exemplifies how the battle of Gettysburg was a turning point in the civil war for the Union? A:The confederacy did not launch another invasion of the North after the battle B:General Lee's loss at Gettysburg led to his being

    asked by help.....plz? on December 12, 2018
  44. Social Work

    I need to write an essay on the questions below. I’m having trouble thinking of modern policies that I could write about. Can anybody help give me some ideas and point me in the right direction? The English Poor Laws instituted the principle of "less

    asked by Allie on October 10, 2018
  45. CRT 205

    The core of the argument against anti-abortion laws is that every woman has a fundamental right to decide what happens to her own body, at least until after the quickening of the fetus. In recent years a few courts have given a sympathetic hearing to this

    asked by Shasha' HELP ASAP! on April 10, 2009
  46. Calculus

    If G(x)=(x)/(1+2x), find G'(a) and use it to find an equation of the tangent line to the curve y=(x)/(1+2x) at the point (-1/4,-1/2). My answer: G'(a)=1/(1+2x)^2 Equation of tangent line: y= 4x+0.5

    asked by Anonymous on October 18, 2014
  47. Calculus

    (1 point) Is the graph of y=sin(x4) increasing or decreasing when x=14? (enter increasing, decreasing, or neither). Is it concave up or concave down? (enter up, down, or neither).

    asked by Ashton on November 14, 2018
  48. physics

    A ball is dropped downward after 1 sec its velocity is 20m/s another ball is dropped from the same point after 2 sec its velocity will be

    asked by Anonymous on June 13, 2017
  49. algebra 1

    Find the roots of y=x^2, axis of symmetry and vertex. I got roots: (0,0) axis of symmetry: minimum point x=0 vertex: (0,0)

    asked by tom on May 2, 2015
  50. physics

    At a distance of 7.5 m from a point sound source, the sound intensity level is 105 dB. At what distance is the intensity level 90 dB?

    asked by Anonymous on April 13, 2012
  51. SCI 162

    Case Study: Gayle and Patrick Read the following case study about Gayle and Patrick. You may also click on the Audio: Thinking It Over if you prefer to listen to the case study. After reviewing the case study, answer the questions on below. Gayle and

    asked by Brittany on June 14, 2010
  52. Chemistry

    Can someone please help me with the following? How do I find the specific heat of a metal when the only information I have is a temperature change ( of -73 degrees C) and a mass (of 22.53 grams)? And what is the forumla for specific heat? Thanks in

    asked by April on October 12, 2006
  53. accounting

    As in previous homework, assume you work for a company that has to pay an obligation of USD 1 mln in 1.5 years from today. There are two bonds on the market - one is a 3%-coupon bond, has one year to maturity and is traded at price 101.7854. Another has 2

    asked by Anonymous on May 15, 2013
  54. Chemistry

    I am still not understanding how to calculate n in Ecell=Enaughtcell-(.0592/n)logQ. Example: Au/Au^3+ and Cu/Cu^2+ If I am correct it should look like this Au->Au^3+ + 3e- (Enaughtcell = 1.50V) and Cu->Cu^2+ + 2e- (Enaughtcell = 0.34V). The Cu/Cu2+ is the

    asked by amy on April 20, 2007
  55. chem

    The specific heat of silver is 0.237 J/goC Its melting point is 961oC . Its heat of fusion is 11 J/g. How much heat (in J) is needed to change 17.5 g of silver from solid at 25oC to liquid at 961oC ? Add the heat required to warm the silver from room temp

    asked by mary on October 31, 2006
  56. physics

    A ball is thrown vertically up from the edge of a 150 m building with a veloicty of 10m/s. (A) how high did the ball rise? (b) how much time did it take fort he ball to reach this height ? (C) what is the velocity oft he ball as it strikest he ground ? (D)

    asked by christoper allen on December 21, 2014
  57. Physics

    (Image included with problem) 9.186E-1 moles of an ideal diatomic gas undergoes a transition from a to c along the diagonal path in the figure. The temperature of the gas at point a is 1310 K. During the transition, what is the change in internal energy of

    asked by Anonymous on April 19, 2015
  58. english

    Can anyone tell me the tone of this poem? THE INVADING SPRING - Phoebe Hesketh Man has fenced the wilderness back in the hills; Tamed in the town he walks on concrete blocks; And in the park his heart with pleasure fills - But not at Wordsworth’s

    asked by rachel on June 6, 2010
  59. Social studies

    Which conclusion is best supported by this map? A. The Aztec empire conquered the Olmec civilization. B. The Olmec civilization depended on slash-and-burn agriculture. C. The Aztec empire expanded across a variety of landforms. D. Food production was

    asked by cash on February 27, 2019
  60. English

    I did the corrections myself. Just check if they are correct. I included some of them in parentheses. 1)Interior monologue is a technic used by Virginia Woolf to broadcast the intimate thoughts of her characters. It consists of the words used to describe a

    asked by Henry1 on April 27, 2011
  61. A&P

    Situation: You need to step up on a step to reach an object on a high shelf over your head. Your starting point should be anatomical position and your finishing point should be the position you are in once your hand has reached the object overhead. (Part

    asked by Kristy on February 17, 2011
  62. educational technology

    What is the purpose of inserting SmartArt in a Microsoft Office program? (1 point) SmartArt enhances images and photographs by accenting them with colors and shading. SmartArt offers different ways of visually presenting information, using shapes arranged

    asked by norna on March 30, 2014
  63. Essay

    This is my finished rough draft: (Please proofread) I have had many relationships throughout my life that have helped to build my character. Everything I have gone through and everyone I’ve encountered in my life has made me who I am today. These

    asked by Anonymous on May 20, 2008
  64. solid mensuration

    104. A fly stationed at a point on the circumference of the base of a cylindrical tower of radius 12 ft. finds that he can just see a distance flagstaff by walking along the tangent line to the base either a distance 8 ft. in one direction or a distance 5

    asked by apolonio on May 12, 2012
  65. Math

    Chris withdraws $7.50 per week from his savings account. After 15 weeks, the balance in the account is $585. A. Write an equation in point -slope form to model this. B. Write the equation in slope-intercept form. C. How much is in the account after 1 year

    asked by Unknown on February 25, 2017
  66. math repost!!

    please help, i procrastinated and now this is due tomorrow!! A tangent line is drawn to the hyerbola xy=c at a point P. 1) show that the midpoint of the line segment cut from the tangent line by the coordinate axes is P. 2) show that the triangle formed by

    asked by justin on October 16, 2007
  67. Math

    A 100 point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response answer questions are worth 8 pints each. Write a system of linear equations that represents this situation, my answer is to

    asked by Steven on May 6, 2016
  68. Physics

    An artillery shell is fired with an initial velocity of 300m/s at 55.0 degrees above the horizontal. To clear an avalanche, it explodes on a mountainside 42.0s later. What are the x and y coordinates of the shell where it explodes, relative to its firing

    asked by Lindsay on October 9, 2012
  69. algebra 1

    the deepest point in elevation in the indian ocean is the java trench, which is 25,344 feet below sea level. elevations below sea level are represented by negative numbers. can you help write the elevation of the Java Trench? also, a mile is 5,280 feet.

    asked by Liz on September 10, 2014
  70. math

    Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I got this question wrong. I thought the answer would be y=-4x-6 I followed the

    asked by Angelica on September 30, 2015
  71. Chemistry

    A solution is 0.20 M in Cd2+ and 0.20 M in Ca2+. NaOH solution is added slowly through a burette. Ca(OH)2 (s) Ca2+ (aq) +2OH (aq) Ksp= 5.5*10^-6 Cd(OH)2 (s) Cd2+ (aq) +2OH (aq) Ksp= 2.5*10^-14 Calculate the concentrations of hydroxide ion, calcium ion, and

    asked by Sally on April 5, 2018
  72. physics

    At time t=0 a projectile passes through the point (0,0,192) with a velocity v=10i-2j+16k. Because of spin and gravity, the projectile experiences an acceleration given by a=2i-32k. a. Find the velocity v(t) and position vector R(t) at time t>0. b. At what

    asked by nicole on February 23, 2011
  73. Chem

    Some ethylene glycol, HOCH2CH2OH, is added to your car's cooling system along with 4.4 kg of water. If the freezing point of the water-glycol solution is -15.0°C, how many grams of HOCH2CH2OH must have been added? I used the equation: 15 celcius = 1 x

    asked by Mark on March 23, 2011
  74. Maths Vector Helpppp

    The points A and B have position vectors, relative to the origin O, given by −−→OA = i+2j+3k and −−→OB = 2i+j+3k. The line l has vector equation r = (1−2t)i+ (5+t)j+ (2−t)k. (i) Show that l does not intersect the line passing through A and

    asked by Ariana on January 19, 2015
  75. physics

    How much heat must be added to 0.55 kg of aluminum to change it from a solid at 180°C to a liquid at 660°C (its melting point)? The latent heat of fusion for aluminum is 4.0x10^5 J/kg. I understand the Equation Q=mc times change it T would that be .55

    asked by maria on December 10, 2010
  76. physics

    Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.82 m. The stones are thrown with the same speed of 8.88 m/s. Find the location (above

    asked by Syd on January 24, 2015
  77. Social Studies

    What did the Battle of Medina become known for during Mexico's Quest for independence A. It showed that it would be easy for Mexico to gain independence from Spain. '''''''My answer B. It was one of the bloodiest battles ever fought on Texas soil C. It was

    asked by rororoyourboat on October 2, 2018
  78. Precalc

    point) The pressure P (in pounds per square foot), in a pipe varies over time. Four times an hour, the pressure oscillates from a low of 40 to a high of 300 and then back to a low of 40. The pressure at time t = 0 is 40. Let the function P = f(t) denote

    asked by Joe on November 9, 2017
  79. english

    this is what i got as a answer i was wondering if it is correct #1- It's borrowing to much language and just switching a couple of words so its still plagiarizing. Each of the following exercises shows the original source, and then a student’s sentence

    asked by mary on September 5, 2011
  80. Essay Check

    This is a paragraph in my essay. Please tell me if this makes any sense. (basically I want to save money by earning a quality and cheap education so I can save money to be able to open a free clinic to help people) >>>>>>>>>>>>>>>> By attaining education

    asked by Hero on February 21, 2012
  81. Essay Check

    This is a paragraph in my essay. Please tell me if this makes any sense. (basically I want to save money by earning a quality and cheap education so I can save money to be able to open a free clinic to help people) >>>>>>>>>>>>>>>> By attaining education

    asked by Hero on February 22, 2012
  82. Physics

    A runner completes an 850m race with two laps of the 425m track in the x-y plane centered at the origin in 1 mins, 50.6s . A runner rounds the track counterclockwise starting at the point (67.6 , 0). Find the runner's average velocity for the race. Find

    asked by Tig on February 8, 2012
  83. Physics

    A rock of mass m = 1.8 kg is tied to a string of length L = 2.4 m and is twirled in a vertical circle as shown in the figure below. The speed v of the rock is constant; that is, it is the same at the top and the bottom of the circle. If the tension in the

    asked by Freud on October 26, 2011
  84. chemistry

    5.0 mL of H2SO4 solution was titrated with 0.20 M NaOH standard solution. The volume of NaOH needed to reach the equivalent point was 9.5 mL. 1. In this titration setup, what is the titrant? and what is the analyte? 2. What is the number of mole of H2SO4

    asked by hj3s on November 12, 2014
  85. Chemistry

    A solution of I2 was standardized with ascorbic acid. Using a .1000 g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point. A. What is the molarity of the iodine solution? B. What is the titer of the iodine solution?

    asked by Ana on May 26, 2011
  86. English Englsih

    Please some one check it for me .please please.... Chaucer is a wonderful poet and story teller. His poems are very interesting and deep. Canterbury Tales is a set of stories told by pilgrims. Unconditional love and devotion to religious is a major issue

    asked by Anonymous on October 7, 2010
  87. physics

    A football is thrown with an initial upward velocity component of 13.5m/s and a horizontal velocity component of 16.5m/s How much time is required for the football to reach the highest point in its trajectory? How high does it get above the ground?How much

    asked by luis on February 18, 2015
  88. Science

    A vitamin C tablet was dissolved in 50.0 mL of water. The resulting solution was titrated to the equivalence point with 28.5 mL of 0.100 M I3− solution. What is the starting mass of the tablet assuming the tablet is 100% vitamin C? I found the moles in

    asked by Clay on September 21, 2015
  89. math

    . Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a mid-term test. Josh received 72 on the test. Describe how his score compared to those of his classmates. (1 point)About 25% scored higher; about 75% scored lower. Everyone

    asked by Terry on April 8, 2013
  90. physics, please help

    A 63.8 kg block of silver is at initially at 107 C. 1.0 kg of ice at its freezing point is placed onto the block to cool it. As the ice melts, the water is free to flow off (so that the water never increases in temperature). After all the ice melts, what

    asked by sara on November 24, 2014
  91. Algebra

    I'm fine with angle of elevation problem, but angle of depression problems are tricky for me. Is this right? From a balloon 835 m high, a command post is seen with an angle of depression of 7 degrees. How far is it from the point on the ground directly

    asked by Samantha on May 14, 2008
  92. geometry

    m

    asked by lilman on May 14, 2012
  93. history

    Based on this excerpt from the text, in what way would interchangeable parts best help businesses? (1 point) Parts made by machines could be made more cheaply. Customers had to wait longer to obtain the new parts made by machines. Machines could quickly

    asked by Reb on March 10, 2019
  94. Physics

    A football is thrown with an initial upward velocity component of 15.0 m/s and a horizontal velocity component of 18.0 m/s The time required for the football to reach the highest point in its trajectory is 1.53s. It gets 11.5m above the ground. How much

    asked by Mattie on October 17, 2010
  95. physics/math

    Ahhh! I've seen some examples of this type of problem but I can't seem to solve it! Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is

    asked by Courtney on December 13, 2011
  96. business studies

    What are some of the key challenges facing the Logistic functions within the food industry and how can the industry respond to these challenges? Could somebody point me to some ares to research please. Thanks. When you place the phrase Food Industry +

    asked by charliegolf on July 25, 2007
  97. Physics

    1) would dropping an object higher than it's usual point change it's acceleration? 2) would throwing an object upward change it's acceleration? 3)does the mass of an object affect it's acceleration? 4) how does altitude affect the value of g? what other

    asked by WOLLY on September 26, 2011
  98. 7th grade english

    The book A Child Called “It” is about the struggle of a young boy named David Pelzer who was severely emotionally and physically abused by his alcoholic mother Catherine Rovera. From being abused along to being emotionally abused to the point where

    asked by tom on July 14, 2013
  99. PHYSICS

    A football is thrown with an initial upward velocity component of 15.0 m/s and a horizontal velocity component of 18.0 m/s The time required for the football to reach the highest point in its trajectory is 1.53s. It gets 11.5m above the ground. How much

    asked by Mattie on October 17, 2010
  100. Physics

    Water is flowing in a pipe with a varying cross-section area, and at all points the water completely fills the pipe. At point 1 the cross-section area of the pipe is 0.080 m^2, and the magnitude of the fluid velocity is 2.50m/s. Calculate the volume of the

    asked by Lycra on May 10, 2012

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