1. PHYSICS

    Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is

    asked by Happy Face-PLZ HELP!! on October 12, 2010
  2. Physics

    A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda- mental frequency of 70 Hz? Answer in units of m.

    asked by AJ on October 1, 2012
  3. Physics

    Consider four vectors ~F1, ~F2, ~F3, and ~F4, where their magnitudes are F1= 57 N, F2= 38 N, F3= 25 N, and F4= 67 N. Let θ1= 130◦, θ2=−130◦, θ3= 29◦, and θ4=−64◦, measured from the positive x axis with the counter-clockwise angular

    asked by Fabricus on February 14, 2014
  4. question about essay

    In one of my sentences in my essay, I wrote that "I have a tendency to do things in a unique way." What is an example of this simple, yet important fact to support this? Only you can answer this because no one here knows you or how you do "things." And be

    asked by Emily on April 19, 2007
  5. pre-algebra

    I'm having a hard time with coming up with equations. Here's an example: Complete the equation of the line through (−8,−2)and (−4,6) Could anyone solve this and explain (as simple as possible) how you came up with the answer? I'm sorry if this was a

    asked by killjoy on May 16, 2019
  6. 7th grade Math

    Lola excercises m minutes per day 5 days a week. Write an alegrabic expression that represents how many minutes '50' excercises in two weeks. Could the answer be 50c because it feels like I'm missing something.HELP

    asked by Ciera on September 20, 2010
  7. physics

    The speed in air is 343m/s. Using the relationships3.3 feet in a meter, 5280 feet in a mile, and the time relationships you know, determine the speed in miles per hour. (answer:772mi/h)

    asked by Anonymous on September 10, 2010
  8. Math

    Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a spade given that the second card is a club? (Round your answer to three decimal places Wondering why I keep getting

    asked by Paul on October 16, 2012
  9. math

    Please graph your response to question 2 on a separate piece of paper. When finished, click "submit" to view the correct answer. Graph each rational number on a number line. , -, 1.5, 0.4

    asked by Anonymous on November 10, 2011
  10. science

    I need to answer an essay question for science and I wanted to make sure of something first. The essay question is- What characteristics do plants share? Can you tell me if all plant cells have chloroplasts? I do not think they do so that would not be

    asked by Reed on January 16, 2012
  11. math

    Interest is calculated with the following formula I=Prt What is the future value ( present value + interrst ) of this account? Present value is $600; interest is 6% Term is 12 years ( Enter your answer as dollars and cents. )

    asked by brandon on November 10, 2011
  12. Math

    A loan of $ 100 at 6% is made for 3 years, compounded annually. What is the total loan value at the end of 3 years? (a)$ 119.10 (b)$ 401.76 (c)$ 448.00 (d) $ 501.76 (e)$ 510.76 I need help with this question not asking for the answer.

    asked by Anonymous on November 2, 2011
  13. physics

    Calculate the work done in Joules when an athlete of body weight 96 kg bench steps on a bench of height 25 cm for 48 steps. Please present this answer rounded to a whole number without decimal places.

    asked by sv on December 4, 2011
  14. Math

    The ratio of the lengths of strings that play the notes F and G is 9 to 8. If a string 40 centimeters long plays a G, what is the length of the string that plays an F? Express your answer as an integer or mixed number.

    asked by Tamika on November 15, 2009
  15. Chemistry

    to make a sodium chloride solution of the same molarity as household bleach (as determined in question 1) how many grams of salt would be needed for every 100 ml of solution question 1 answer: 0.871 M

    asked by Lola on February 7, 2016
  16. Physics

    A 254kg box is pulled at a constant speed by the little engine. The box moves a distance of 3.0 m across the horizontal surface. (μ=.20) How much energy is transferred by the engine? (How much WORK is done?) what is the answer in joules?

    asked by help on February 13, 2014
  17. Physics

    A girl swings on a playground swing in such a way that at her highest point she is 4.1 m from the ground, while at her lowest point she is 0.8 m from the ground.What is her maximum speed? The acceleration due to gravity is 9.8 m/s2 .Answer in units of m/s.

    asked by Anonymous on May 10, 2015
  18. calculus 2

    Use a graph to find approximate x-coordinates of the points of intersection of the given curves. Then find (approximately) the area of the region bounded by the curves. (Round your answer to two decimal places.) y = 8x^2− 3x, y = x^3−8x+ 2

    asked by TayB on January 22, 2016
  19. Chemistry-@DrBob222

    I apologize for having to bother you again,but I still can't post follow up questions and I can't find the reason.I even tried reinstalling the browsers,and still the same. Anyway you responded to my last post regarding H2 O2 fuel cell, "I agree". So did

    asked by Shenaya on July 30, 2017
  20. Physics

    A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 38.9 in 27.4 s. Also, a given maximum travels 432 cm along the rope in 10.6 s. What is the wavelength? Answer in units of cm.

    asked by AJ on October 5, 2012
  21. algebra

    Find the future value of an ordinary annuity. Payments are made and interest is compounded as follows: R=600 7% interest compounded quarterly for 5 years I set this up as follows and still am getting the wrong answer: 500 (1.07)^5-1/0.07 Please help!!

    asked by Beth on December 15, 2011
  22. chemistry

    I have posted this once and still cannot get the correct answer. Determine the mass of carbon monoxide that is produced when 45.6 of methane, CH4, react with 73.2 g of oxygen , O2. The products are carbon monoxide and water vapour.

    asked by Kelsey on August 3, 2010
  23. Gateway

    I have 10g of magnesium oxide that I heat to make 6g of magnesium and oxygen. how much oxygen is made? What kind of change is this, physical or chemical? why did you pick your answer? Explain in 2 sentences

    asked by Zykeriah on September 14, 2016
  24. Physics

    When 2.1x10^3 J of heat is added to 100.g of a substance, its temperature increases from 15 C to 40 C. What is the specific heat capacity of the substance? Answer is 8.4x10^2 but I need to see the work involved in how to solve the problem

    asked by Dorrito on December 8, 2011
  25. VOCABULARY

    AFTER ANOTHER HOUR LUCY WALKED FROM HER SLEEP, FRESH AND BRIGHT AND SEEMINGLY NOT MUCH WHAT WORSE FOR HER TERRIBLE ORDEAL. AN ORDEAL IS A a. vision b. test c. mistake d. nightmare answer... d. nightmare

    asked by cee on February 15, 2014
  26. Physics

    A circular metal wire, with a radius of 0.5 mm, has a force of 2 kN applied along it. If the wire has an unstressed length of 3 m and stretches by 8 mm, what is Young’s Modulus for the metal? Give your answer in GPa. Any help would be very appreciated

    asked by Adam on August 5, 2017
  27. PHYSICS

    Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is

    asked by Happy Face-PLZ HELP!! on October 12, 2010
  28. Physics Total Mechanical Energy

    What is the total mechanical energy of a 575 kg roller coaster that is at rest 50.0 m above the lowest point on the ride? The maximum possible speed of the roller coaster is 31.3 m/s. (do not include units in your answer)

    asked by Lauryn Graves on February 15, 2014
  29. probability

    Random variables X and Y are distributed according to the joint PDF fX,Y(x,y) = {ax,0,if 1≤x≤2 and 0≤y≤x,otherwise. 1 Find the constant a. a= 2 Determine the marginal PDF fY(y). (Your answer can be either numerical or algebraic functions of y). For

    asked by JuanPro on March 11, 2014
  30. MATH

    A car dealer will sell you a used car for $5,430 with $430 down and payments of $183.06 per month for 36 months. What is the simple interest rate? (Round each answer to the nearest tenth.) PLEASE HELP!

    asked by JONATHAN on November 5, 2011
  31. chemistry

    I have to answer this question for chemistry. It deals with ionic compounds, like how when an atom loses or gains electrons, energy is involved. So the question is Would the same amount of energy that's taken, be given off? (lost/gained)

    asked by lola on October 21, 2009
  32. IntroductiontoPsychology

    According to Howard Gardner independent intelligence: (a) originates at a single site in the brain (b) comes for a differentsystemin the brain (c) originates inthe limbic system (d) has connections with the hippocampus I have the answer as B

    asked by Carol on November 5, 2011
  33. PHYSICS

    Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is

    asked by PLEASE HELP ASAP!!!!!!!!!!! on October 12, 2010
  34. math trigonometry

    Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A) answer= -sinx*-tanx/cosx*(1) after that how do i continue?

    asked by steve on June 14, 2015
  35. Physics

    A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda- mental frequency of 70 Hz? Answer in units of m.

    asked by AJ on October 5, 2012
  36. math

    I need help teaching my 2nd grader how to come up with the answer. Easy for an adult..difficult to explain to a child. I am thinking of 2 numbers who sum is 15. One of the numbers is 9 more than the other. Got the 12 plus 3 part. Help me explain it in its

    asked by cristina on February 4, 2013
  37. Probability

    Random variables X and Y are distributed according to the joint PDF fX,Y(x,y) = {ax,0,if 1≤x≤2 and 0≤y≤x,otherwise.} 1. Find the constant a. 2. Determine the marginal PDF fY(y). (Your answer can be either numerical or algebraic functions of y). For

    asked by qwerty on March 18, 2014
  38. geometry

    Find the equation of the line that passes through (−3, 2) and the intersection of the lines x+2y=0 and 3x+y+5=0. For the intersection, I got (-2,1) and for the equation i got y=x+3. but apparently those aren't the answer. Could you provide a way to

    asked by Anonymous on October 26, 2018
  39. Biology!

    What is the role of bacteria in the making of yoghurt from milk? 1. to make alcohol 2. to make carbon dioxide 3. to make lactic acid 4. to make lactose coagulate I think the answer is number 4, but i'm not so sure.

    asked by Marrion on October 12, 2009
  40. chemistry

    Consider the following reaction:4HCl(g)+O2(g)produces 2H2O(g) + 2Cl2(g) How many molecules of Cl2 would be formed from the reaction mixture that produces the greatest amount of products? Express your answer as an integer.

    asked by Anonymous on October 2, 2010
  41. English

    Dear Writeacher, thank you for the answer. Will you help me with two more questions? 1) Do you think it's possible to say "according to the opinion of many analysts" (I mean 'according' + 'opinion', or just "according to many experts")? 2) Do you think

    asked by Nalmi on May 21, 2014
  42. physics

    A projectile starts from rest and moves 7 m down a frictionless ramp inclined at 21◦ with the horizontal. The acceleration of gravity is 9.8 m/s2 . What will be the range of the projectile if the bottom of the ramp is 1.7 m above the ground? Answer in

    asked by a on February 3, 2016
  43. College Algebra

    A car radiator has a 6-liter capacity. If the liquid in the radiators 40% antifreeze, how much liquid must be replaced with pure anitfreeze to bring the mixture up to a 50% solutions? If I told you the answer is 1 liter

    asked by Ziggy on August 12, 2010
  44. Geometry

    in triaangle ABC, AB=20 cm, AC=15 cm the length of the altitude AN is 12 cm prove that ABC is a right triangle so far i got that angle ANC is 90 degrees by definition on altitude i got really confused after so can you show me how to answer the question and

    asked by Ashley on September 13, 2017
  45. crucible

    Which of these does not occur in Act Four? Choose one answer. a. The cows need milking. b. The people argue over ownership of the cows. c. The townspeople stop going to church. d. Children wander from house to house.

    asked by Anonymous on October 12, 2011
  46. History

    Which was not a cause of the Protestant Reformation? worldiness and greed among Catholic officials sale of indulgences Council of Trent the Renaissance spirit of questioning authority My answer: Council of Trent

    asked by Nicole on February 3, 2016
  47. Chemistry

    For the cell diagram Pt(s)|H2(g)|H+(aq)||Cu2+(aq)|Cu(s) Write a balanced equation for the half-reaction at the cathode. The cathode is the site of reduction so copper gets reduced. So wouldn't the answer be: Cu2+(aq) -> Cu(s) + 2e-?

    asked by Jane on June 11, 2013
  48. ALGEBRA

    A car dealer will sell you a used car for $5,478 with $478 down and payments of $112.08 per month for 60 months. What is the simple interest rate? (Round each answer to the nearest tenth.)

    asked by MONICA on November 26, 2011
  49. Math

    A figure in the coordinate plane is reflected across the line y = x + 1 and then across the line y = x + 3. Find a translation vector that is equivalent to the composition of the reflections. Write the vector in component form. I know the answer is (-2,

    asked by Anonymous on June 2, 2015
  50. history

    1) in what context was the crtc and its CanCom regulations established? Describe the rationale for thw creation of the crtc. I don't understand what it means by 'in what context' and how the two parts are different from one another and how to answer them

    asked by Dani on May 14, 2014
  51. SS-1 question

    Which of the following was Daniel Webster speaking of when he declared, "Liberty and Union, now and forever, on and inseparable!"? regional differences international differences improved transportation improved industry My answer is A

    asked by Anonymous on February 5, 2014
  52. math

    Solve for x and y if 5^(x−y) = 625 and 3^(2x) × 3^y = 243. (note: I posted a similar question to this before, but this uses indices) (Also note: Answer is, x = 3, y = -1 ; 7, and the question if inputted into an online calculator, is incorrect.) Thnks

    asked by Anonymous on November 24, 2017
  53. English

    Thank you. Can you please clarify this doubt to me? If the answer is "since 1998" can the question be: How long is it since you got married"? Is the sentence "How long ago did you marry"? wrong. The verb is "get married". When did you divorce your fist

    asked by Henry2 on October 20, 2011
  54. Physics

    A(n) 5.52 g bullet is fired into a(n) 3.07 kg ballistic pendulum and becomes embedded in it.The acceleration of gravity is 9.8 m/s^2. If the pendulum rises a vertical distance of 4.48 cm, calculate the initial speed of the bullet. Answer in units of m/s

    asked by amanda and leah on January 29, 2012
  55. texas state history

    8- How did this person's actions affect Texas' history over the next four years? I believe the person is John Reagan. I have been reading through my history book for at least 3 hours today lololo and I dont know the answer. Help Please! :)

    asked by maddi on November 28, 2018
  56. physics

    A 100-cm3 container has 4 g of ideal gas in it at 250 kPa. If the volume is changed to 50 cm3 and the temperature remains constant, what is its new density? Answer 400 kg/m3 250 kg/m3 80 kg/m3 50 kg/m3

    asked by ayala on February 4, 2014
  57. math

    Alex deposits $250 at the end of each month into an account that earns 4% interest compounded monthly. Determine the value of Alex’s account after 10 years. State you answer to the nearest $1

    asked by Molly on August 31, 2016
  58. math

    3 people each want a set of ....lets say rubber bands($4) also they want the rubber band life prolonging solution($2). Oh snap! How much will it cost each person? How much will it cost altogether? Prove your answer

    asked by Rroyd on September 30, 2010
  59. Math

    Jenny and Dan want to save for an RV.They estimate that they will need $15,000 in 8 years. They can get 3% interest compounded semiannually. How much would they need to deposit now in order to have $15,000 in 8 years ? Put answer to the nearest cent.

    asked by Mary Williams on June 23, 2017
  60. trig

    A loading ramp is 35 feet long and forms an angle measuring 10° with the ground. How high is the top end of the ramp off the ground? Round your answer to the nearest tenth?

    asked by alexis on May 22, 2014
  61. P-Chem

    Can you check my answer? Thank you What is the molar mass of a gas that behaves ideally (i.e. obeys the perfect gas law pV=nRT) if it has a density of 1.92 g dm-3 at 150 kPa and 25 C? I got; M=p(density)RT/(P)=31.7 kg mol^-1

    asked by Jessy on September 6, 2016
  62. math30

    1.To play a game, a die is rolled to see who plays first. Four players are going to play the game. What is the probability that at least two people roll the same number? Express your answer to the nearest tenth of one percent

    asked by alejandro on January 26, 2013
  63. Precal

    Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that A1 is smaller than A2.)

    asked by Anonymous on October 10, 2011
  64. chemistry

    you have a metal tank containing 74.0moles of nitrogen gas at a pressure of 15.0atm.If the pressure is measured at a temperature of 20.0c,then the volume of the tank must be how many liters(Round answer to one decimal place.

    asked by gloria on February 12, 2014
  65. English

    Which of the following do Petrarchan and Shakespearean sonnets have in common? A. rhyme scheme B. length C. question and answer format D. Both are organized as an octet and a sestet I chose A. rhyme scheme. Am I Correct?

    asked by Justine on February 16, 2016
  66. physics

    When the Sun is directly overhead, a hawk dives toward the ground at a speed of 3.07 m/s. If the direction of his motion is at an angle of 57.2 ◦ below the horizontal, calculate the speed of his shadow along the ground. Answer in units of m/s

    asked by rachel on October 27, 2011
  67. Math Probability

    You mix the letters M,A,T,H,E,M,A,T,I,C,A and L, thoroughly, Without looking , you draw one letter. Find the probability P(A). Write the probability as: A) fraction in simplest form B) a decimal C) a percent there are 3 letter A"s, so my answers are A)1/4

    asked by JAMIE on May 19, 2017
  68. english

    is " but I will not allow anyone to succeed hanging clouds over me" a metaphor or paradox or is it something else? is "there's a light in me, that shines brightly" a metaphor? " Iwill rise steadily sailing out of their reach" a paradox? if im not right can

    asked by jane on October 28, 2011
  69. geometry

    The trapezoid in Exam Figure 6 has equal nonparallel sides. The upper base is 6, the lower base is 16, and the diagonal is 12. What is the altitude of the trapezoid? Round your answer to one decimal place.

    asked by crystal on November 17, 2009
  70. 5th grade math

    divide and simplify 7/18 divided by 14/39 the first step is to change the recipricol which is 14/39 = 39/14 then multiply 7 x 39=273 18x14=252 the answer is 273/252 I am not good at simplifying big numbers can someone please help me?

    asked by Anonymous on September 9, 2009
  71. chemistry

    how many grams of sodium are used to prepare 50 boxes of crackers? sodium per serving is 140mg, serving size is .50 oz for 6 crakers. i got 112g and the answer is suppose to be 110g and i cant figure out how to get 110 thank you

    asked by Kelly on January 24, 2012
  72. Physics

    A 1.7 kg otter starts from rest at the top of a muddy incline 89.2 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Answer in units of N

    asked by Ryan on November 14, 2011
  73. Physics

    An object is allowed to fall freely near the surface of an unknown planet. The object falls 80 meters from rest in 5.0 seconds. The acceleration due to gravity on that planet is? Would the answer be 16?

    asked by Hannah on September 27, 2009
  74. Math

    A town in east Texas received 10 inches of rain in two 2 weeks if it kept raining at this rate for a 31 day month, how much rain did the town receive? I am confused on how to figure out the answer for this. Can you please help me.

    asked by Matt-Please Help on September 20, 2016
  75. Physics

    A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 44.9 in 30.4 s. Also, a given maximum travels 436 cm along the rope in 9.4 s. What is the wavelength? Answer in units of cm

    asked by Aj on October 21, 2012
  76. algebra

    A satellite dish has a parabolic cross section and is 6 ft deep. The focus is 4 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot. Thank you

    asked by Jamie on May 1, 2013
  77. algebra

    the second finished teepee is 12 feet tall and use PVC pipes that are 13 feet long. what is the distance across the bottom of the teepee? show your work and state your answer as a complete sentence.

    asked by kay on January 12, 2012
  78. chemistry

    can anyone explain how to do this problem? At 673 K, the equilibrium constant for the reaction 2 HI(g) ⇀↽ H2(g) + I2(g) is Kc = 0.0200. If 0.5 mol of HI is placed in a 2.00 liter container and heated to 673 K, what concentration of H2 will be present

    asked by leslie on May 1, 2019
  79. Physics

    Lai threw a ball downwards with an initial velocity of 11.0 m/s. What is in meters the displacement of the ball during the 2.9 seconds after she threw it? (don't include units in the answer, use 10.0 m/s2 for g and use the upward direction as positive)

    asked by Savannah on January 13, 2012
  80. Math

    I need help with the following problem: Directions: Express each answer in simplest form in terms of the given variable. Problem: An angle has measure Xº. Find the average of the measures of a complement and a supplement of the angle.

    asked by David on August 20, 2007
  81. Vectors

    What is the nature of intersection of these three planes: 5x+3y-z=11 -2x-7y+10z=2 6x+21y-30z=-6 I know that the answer is two parallel planes and the other one intersecting in a line. my question is how would you know that the first equation intersects in

    asked by Sara on April 19, 2015
  82. Physics

    A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 38.9 in 27.4 s. Also, a given maximum travels 432 cm along the rope in 10.6 s. What is the wavelength? Answer in units of cm.

    asked by AJ on October 1, 2012
  83. math

    Solve the problem. Give your answer to the nearest thousandth if necessary. A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting point?

    asked by katelynn on November 20, 2009
  84. Honors Physics 1

    When the Sun is directly overhead, a hawk dives toward the ground at a speed of 4.26 m/s. If the direction of his motion is at an angle of 35.7◦ below the horizontal, calculate the speed of his shadow along the ground. Answer in units of m/s.

    asked by Lal on September 28, 2015
  85. physics

    A proton moves perpendicularly to a mag- netic field that has a magnitude of 3.09×10^−2 T. The charge on a proton is 1.60×10−19 C. What is the speed of the particle if the magnitude of the magnetic force on it is 3.50*10^−14N? Answer in units of

    asked by maria on April 19, 2011
  86. English

    Which of the following sentences contains an abstract noun? A. I hope that we are not late. B. Respect must be earned. C. They did a good job planning the party. D. She thought we should have left earlier. I think the answer is "B" "Respect" must be

    asked by Sandia on December 8, 2012
  87. Algebra 2

    A rain gutter is made by bending up the edges of a piece of metal of width 36 in. If the length of the piece of metal is 24 in., find the height that maximizes the volume. I need all of the steps to get to the answer.

    asked by Brandon on April 22, 2011
  88. Social Studies

    Which of the following was Daniel Webster speaker of when he declare, 'Liberty and Union, now and forever, one and inseperable!"? A. Reional differences B. International differences C. Improved transportation D. Improved industry Is the answer A? Thank you

    asked by callie on January 22, 2015
  89. Chemistry

    A sample of oxalic acid (H2C2O4, with two acidic protons), of volume 37.09 mL was titrated to the stoichiometric point with 22.41 mL of 0.163 M NaOH(aq). What is the molarity of the oxalic acid? Answer in units of M.

    asked by Andrea on May 29, 2016
  90. science

    A hydraulic jack is needed to raise an object with a force of 4000 N to a height of 3 metres above the ground. Will the jack do the job? (Answer after working through the rest of the question. I would really appreciate it if someone would please help me

    asked by Cherie on April 9, 2013
  91. helpmplz

    which ststement does NOT describe prescripitivists? A. Language should be recoreded,not judgement. B. Language use should follow strict rules. C. Language use should never change D. Language use should be judged and evaluated. .The answer i choose is c.

    asked by brit brat on February 13, 2010
  92. trigonometry

    tan 30degrees = sin 60degrees /1+cos 60degrees I pluged in the numebrs and i got this . ã3/3= ã3/2 / 1+1/2 now i don't know how to work the problem to get the answer which is supposed to be ã3/3=ã3/3 i want an explaintion cuz i want to know how

    asked by Cas on December 29, 2010
  93. 854 physics

    A 1.06 kg ball is attached to a ceiling by a 1.25 m long string. The height of the room is 5.82 m The acceleration of gravity is 9.8 m/s 2 . What is the gravitational potential energy associated with the ball relative to the ceiling? Answer in units of J

    asked by kari on October 13, 2014
  94. chemistry

    Please I need help...I have been trying so hard to finad this answer... Suggest a test chemical that can be added to the water sample to precipitate the lead(II) ions. please show a chemical eqaution for the formation of the precipitate. Thank u so much:)

    asked by Stacey on April 25, 2010
  95. Algebra 2

    I need to find x of the quadratic function y=-5/3x^2-x-4. I'm supposed to use the formula x=-b/2a. The negative sign only applies to b. A=-5/3 and B=-1. When I substitute these values in I get -(-1)/2(-5/3). After working this out I get 1 over -10 over

    asked by Krystal on September 2, 2013
  96. physics

    A proton moves perpendicularly to a mag- netic field that has a magnitude of 3.09×10^−2 T. The charge on a proton is 1.60×10−19 C. What is the speed of the particle if the magnitude of the magnetic force on it is 3.50*10^−14N? Answer in units of

    asked by maria on April 19, 2011
  97. Physics

    A plane landing on a small tropical island has just 80 m of runway on which to stop. If its initial speed is 65 m/s, what is the maximum acceleration of the plane during landing, assuming it to be constant? Answer in units of m/s 2

    asked by Kyle on November 11, 2015
  98. Physics

    A 1.9 kg otter starts from rest at the top of a muddy incline 84.1 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Answer in units of N.

    asked by Michael on January 10, 2011
  99. physics

    A truck travels 1710 m uphill along a road that makes a constant angle of 5 . 08 ◦ with the horizontal. Find the magnitude of the truck’s horizontal component of displacement. Answer in units of m.

    asked by allan on January 19, 2015
  100. Geometry

    What are the values of the variables in the triangle below? If your answer is not an integer, leave it in simplest radical form. The diagram is not drawn to scale. 30, y, x, 8sqrt3 A x=12sqrt3 y=4**** B x=4 y=12sqrt3 C x=4sqrt3 y=12 D x=12 y=4sqrt3 Help

    asked by Excited (Corrected) on April 5, 2018

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