# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,330 questions, page 808
1. ## Mechanical Principles

I have a question on fluids. Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There is a retaining cable at the top of the gate. Determine tension in the retaining cable at the top of the gate when the depth of

asked by Danny on April 13, 2015
2. ## LA

Both Ernesto from barrio boy and the boy in A day's wait interact with adults. Ernesto interacts with Ms. Ryan, while the sick boy interacts with his father. In a paragraph, compare and contrast how the boys interact with the adult. focus on how the boys

asked by A person that needs help. on January 8, 2018
3. ## physic

Hi! please help A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8° above the horizontal. The sledge moves a distance of 20.6 m on a horizontal surface. The coefficient of kinetic friction

asked by Chan on October 20, 2009
4. ## Physics

(a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

asked by Anonymous on June 10, 2014
5. ## Physics

I have a question on fluids. Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There is a retaining cable at the top of the gate. Determine tension in the retaining cable at the top of the gate when the depth of

asked by Danny on April 13, 2015
6. ## Economics

6. The chapter uses the analogy of a "leaky bucket" to explain one constraint on the redistribution of income. a. What elements of the U.S. system for redistributing income create the leaks in the bucket? Be specific. b. Do you think that Republicans or

asked by Sarah on March 1, 2007

Can you check my answer? 4. Solve. 6 tenths = ___ thousandths Answer = 600 5. Write 347.392 in expanded form. Answer: (3*100)+(4*10)+(7*1)+(3* 1/10) + (9*1/100)+ (2*1/1000) 9. Write in standard form (number name) for: three thousand four hundred eight-two

asked by Jared on October 7, 2017
8. ## physics

The position vector r of a particle moving in the xy plane is r=2ti+2sin[(pi/4)t]j , with is in meters and t in seconds. (a) Calculate the x and y components of the particle's position at , and 4.0 s and sketch the particle's path in the plane for the

asked by Anonymous on March 10, 2013
9. ## Math

People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the

asked by Vanessa on April 16, 2014
10. ## Statistics

People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the

asked by Vanessa on April 16, 2014
11. ## statistics

People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the

asked by Vanessa on April 15, 2014
12. ## statistics

People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. Show

asked by Vanessa on April 14, 2014
13. ## ss

1.What were supporters of the U.S. Constitution called? A. Pundits B. Constitutionalists C. Federalists D. Patriots 2.Why was Georgia so quick to ratify the Constitution? A. Georgians feared that a war with the Creek Indians was coming. B. Georgian

asked by James on August 20, 2018
14. ## Math

Solve. log(x^3)-log(2)=log(2x^2)

asked by Mark on October 14, 2009
15. ## algebra

If LOGx (A)=0.7 and LOGx (B) =0.5 how do I solve LOGx (B/A)

asked by Irma on April 5, 2010
16. ## math

3xsquared + 27 = 5 3xsquared -5x = -3xsquared + 6 SOLVE

asked by katy on April 9, 2013
17. ## Algebra

Solve. .25(250)+250/250

asked by Kelly on October 27, 2011
18. ## math

x=-2 output=12 x=1 output =9 x=4 output =6 help me solve

asked by jack on February 9, 2011
19. ## math

x=-2 output=12 x=1 output =9 x=4 output =6 help me solve

asked by jack on February 9, 2011
20. ## math

Solve 3 log x = 1 + log (4x+5)/ log 2

asked by lindsay on July 10, 2014
21. ## Math

Solve X=8(mod 11), X=9(mod 12), X=10(mod 13)

asked by Morris on December 2, 2010

Solve. log(x^3)-log(2)=log(2x^2)

asked by Mark on October 14, 2009
23. ## Math

(2 + sqrt 2)/(2 - sqrt 2) = (x)/(3 + sqrt 10) How to solve for x?

asked by Anonymous on April 26, 2014
24. ## math

x=-2 output=12 x=1 output =9 x=4 output =6 help me solve

asked by jack on February 9, 2011
25. ## chem

HCl is a strong acid and ionizes 100%. NaOH is a strong base and ionizes 100%. We have no way of knowing the pH of HCl + H2O because the problem doesn't state the amount of HCl added or the concentration of HCl. For the NaOH + HCl ==> NaCl + HOH. NaCl in

asked by DrBob222 on May 15, 2007
26. ## World History

How did the Industrial Revolution introduce justifications for imperialism? (Select all that apply.) Industrialized nations sought to bring technological knowledge to Africa and Asia. Industrialized nations sought colonies to deport people who would work

asked by Help on March 19, 2019

can someone please answer these 2 questions please..with the work and answer,ive been stuck on for a while and just wanna sleep but thanks. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is

asked by Anonymous on February 11, 2014
28. ## history

How did the Industrial Revolution introduce justifications for imperialism? (Select all that apply.) Industrialized nations sought to learn from the economic systems within Africa. Industrialized nations sought colonies for natural resources to power their

29. ## History

Which accurately compares the theology that dominated during the Middle Ages with the philosophy that came to prominence during the Renaissance? (Select all that apply.) the middle ages followed humanist ideals, whereas as renaissance followed a feudal s

asked by malia on October 11, 2017
30. ## History

Which accurately compares the theology that dominated during the Middle Ages with the philosophy that came to prominence during the Renaissance? (Select all that apply.) the middle ages followed humanist ideals, whereas as renaissance followed a feudal s

asked by malia on October 11, 2017
31. ## Chemistry

What is the Pb2+ concentration in a saturated solution of PbCl2 if the concentration of chloride ion is 0.023 M? Units: M ksp = 1.72x10^-5 i can't seem to get the answer. i have tried and ICE diagram and going from there: PbCl2 (s) Pb ^2+ = 2Cl- I: 0.023 M

asked by Lynn on April 3, 2017
32. ## Chemistry

A mixture initially contains A,B, and C in the following concentrations: A1 = 0.300 M, B1 = 1.15M, and C1 = 0.350 M. The following reaction occurs and equilibrium is established: A+2B C At equilibrium, A2 = 0.190M and C2 = 0.460M. Calculate the value of

asked by Saira on February 5, 2009
33. ## Calc

This problem is really weird. I have to explain why MVT applies for f(x)=2sinx-sin2x on the closed interval 7pi,8pi and then determine all values of c in the interval (7pi,8pi) that satisfies the conclusion of the theorem. However, the condition of MVT is

asked by Anoop on December 5, 2016
34. ## AP Chemistry

I am honestly lost on this question and you can't proceed without solving the first on, so if anyone would be so inclines to help me out Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions: Al(s) → Al3+(aq)

asked by Damien on February 12, 2018
35. ## Chemistry

Need help on a lab results write-up. The lab is the synthesis and analysis of a transition metal complex. General reaction was stated as: Fe(III) + x(acac) -> Fe(acac)x - we were to determine x by completing experiment. x = 1, 2, 3, 4... acac = 2, 4

asked by Leah on February 14, 2013

A 0.386g sample of a protein was dissolved in water and made up to a volume of 60mL at 21.0°C. At this temperature the osmotic pressure of this solution was 1.24mmHg. Calculate the molecular mass of the protein 12682 g mol-1 95025 g mol-1 9627613 g mol-1

asked by lulu on October 9, 2010
37. ## Chemistry

The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 7.79-g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the

asked by Jackie on April 23, 2017
38. ## Chemistry

Please help! I don’t know where to start and I need step by step on how to solve: A gaseous mixture inside a rigid steel vessel contains 75% CO2(g) and 25% H2O (g) by volume at 175 degrees Celcius and 225 kPa. The mixture is then cooled to 0 degrees

asked by Jacqueline on April 26, 2018
39. ## Chemistry URGENT

I am having a hard time understanding how to calculate pH. my textbook states that that pH =-log[H^+]. I have two questions that asks: What is the H^+ concentration in an acid with of pH 4.6? Express your answer as a power of 10. What is the H^+

asked by jazz on April 24, 2014
40. ## Intermediate Algebra Word Problem

A river's current is 4mph. A boat travels 48 miles downstream in the same time it travels 24 miles upstream. Find the speed of the boat. A) What does the variable stand for? x stands for the speed of the boat. B) Write the equation. 24/x - 4 = 48/x + 4 C)

asked by Jennifer on February 11, 2009
41. ## maths equations

could you please help me on this equation r = sx2/2t im really stuck Your non-use of parenthesis makes in difficult to know what the equation is. What are you trying to do with the equation? sorry im trying to make x the subject divide each side by s r/s=

asked by bex on May 13, 2007

Projectile motion: Let's suppose you throw a ball straight up with an initial speed of 50 feet per second from a height of feet. a) Find the equation that describes the motion as a function of time. My answer was x = 0 and y=-16t^2+50t+6 b) How long is the

asked by Abbey on April 16, 2010
43. ## Algebra Help

1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an \$80,000 loan from your family and a \$38,250 small business loan. These loans must be repaid in full within

asked by Mark on September 4, 2008
44. ## math

there are six time zones in the united states. the easter part of the US is in the easter time zone. The central part of the US is in the central time zone, which is ne hour behind eastern time. san diego is in the pacific time zone, which is 3 hours

asked by jen on August 31, 2009
45. ## math

the function b(x)=2 x-5 determines how many bags of dog food needs to be purchased for an animal shelter, where x is the number of dogs at the shelter. the shelter manager uses m(b(x)) to find the amount of money to bring for the dog food purchase. the

asked by Meee on June 6, 2014
46. ## metreology

Wien’s radiation law says that the wavelength of most intense radiation (λmax) emitted by a blackbody is inversely proportional to the absolute temperature (T) of the object. The surface of the Sun radiates as a blackbodyat a temperature ofT=6000

asked by larry on December 22, 2015
47. ## Algebra I

Hi, I would like someone to explain to me the process to get to the answer of these questions. (The answers are in the back of the book, but I don't understand how to get them myself): QUESTION ONE Warren has 40 coins (all nickels, dimes, and quarters)

asked by A on November 12, 2010
48. ## Chemistry

Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

asked by Amber on April 14, 2017
49. ## Chemistry

Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

asked by Amber on April 16, 2017
50. ## Chemistry

Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

asked by Amber on April 13, 2017
51. ## Chemistry

What is the molar heat of reaction? When 0.732 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 119C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC.

asked by Chris on February 17, 2010
52. ## Statistics

Please Help! If someone could just show me how to do a problem like this! The corrosive effects of various soils on coated and uncoated steel pipe was tested by using a dependent sampling plan. The data collected are summarized below, where d is the amount

asked by Casey on October 29, 2013
53. ## Math - What is the length of the train??????

I have NO IDEA on how to tackle the following problem. This question has stumped me for like...2 hours now...and I don't know what to do... If someone could please show me a step by step on solving it, please post! Problem: -------- Two people stand back

asked by Anonymous on November 27, 2007
54. ## math stuff

Do the exact calculation: 7182 x 2123= ________ Approximate to the nearest hundred _____x_____=__________ Difference between exacct and approximate value=_______ Can you help me with another problem too? N of the 20 coins are quarters and the rest are

asked by Marisol on April 7, 2007
55. ## Precalculus

Show: sin(a-b) sin(a+b) = sin^2 a - sin^2 b

asked by Nicole on April 21, 2014
56. ## Physics

a person pushes on a hockey puck with their stick at an angle so the vertical force is 22N down and the horizontal force is 45N forward. Assume the ice is frictionless. What is the actual force the hockey player transmits to the puck? what is the work done

asked by Anonymous on May 29, 2014
57. ## English

1. Please water the plants while I am away. 2. Please water the plants while I am absent. 3. Please water the plants in my absence. 4.Please water the plants while I am not here. 5. Please water the plants while I am out. 6. Please water the plants while I

asked by rfvv on March 28, 2011
58. ## English

I need some help again with these.I have to correct faulty parallelism in the following sentences. I think I have corrected a couple but some I need help on. 1. Activities on Wednesday afternoons include fishing trips, dance lessons, and computers. 2.

asked by Roger on June 28, 2010
59. ## economics

The manager of the international department of the McAllen Bank learns on the way to work that the ship on which a local exporter shipped some goods has sunk. The manager has received all the documents required in the letter of credit and is ready to pay

asked by Max on June 27, 2008
60. ## classroom instruction

Explain how a teacher can monitor student homework o Identify a time-efficient way to monitor independent student work (other than a student raising a hand to signal a need for help). o Describe two ways to refocus student attention when students are

asked by scooby on February 24, 2010
61. ## Calculus

1. Evaluate the function at the given numbers (correct to six decimals places). Use the results to guess the value of the limit,or explain why it does not exist. F(t)=( t^(1/3) - 1)/(t^(1/2) - 1) ; t= 1.5,1.2,1.1,1.01,1.001; The limit of F(t) as t

asked by Anonymous on September 26, 2014
62. ## A L G E B R A H ELP MS SUE.

I THINK I MAY HAVE DONE MY HOMEWORK WRONG BECAUZE IT SAYS TO : ESTIMATE THE PRODUCT OR QUOTIENT. SO WOULD THAT MEAN TO ACTUALLY DO WORK THEN ESTIMATE THE PRODUCT OR QUOTIENT LIKE FIRST -72 X 57 = -4104 OR ESTIMATE; -4000 ? I AM CONFUSED ABOUT WHAT IM

asked by MARKO on September 20, 2011
63. ## physics help me

Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle.The

asked by Asfand on May 16, 2016
64. ## physics

Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle. The

asked by ChrismB on May 17, 2016
65. ## Chemistry

A compound containing only boron, nitrogen, and hydrogen was found to be 40.3% B, 5202% N, 7.5% H by mass. If 3.301g of this compound is dissolved in 50.00g of benzene, the solution produced freezes at 1.30 degree celsius. if the freezing point depression

asked by Temmick on November 10, 2013
66. ## Math-intergration

Show that integrate.[e^(-4x)*(cos 3x)] from 0-infinity =4/25 I got the answer(without applying limits) as, {(e^(-4x) )[3sin(3x) - 4cos(3x)]}/25 But when applying the upper limit what is the value of, {(e^(-infinity) )[3sin(3*infinity) -4cos(3*infinity) ]

asked by Shenaya on July 29, 2017

Yes Ms. Sue my target is the audience. Learned about the HBC company, and now have to do a Ad on it. What could my title be? I was trying to look for a good slogan, but I don't know. I don't really want it to be as simple as...."Work for the HBC" I've

asked by Anonymous on May 2, 2011
68. ## English

I have to write a paper on an author and then effectively persuade the audience that this author is an important and influential writer who should be included in the curriculum for a college writing course. I chose Ernest Hemingway. This is my thesis -

asked by Gabby on March 18, 2014
69. ## Algebra help needed!

Recall that on some roads, a skid mark of length L ft. indicates that a car was traveling at least s mph, where s is approx. 2 times the square root of 5L. If a car stopped quickly from a speed of 55 mph, about how long would the skid marks be? Please note

asked by Lindsay on May 3, 2007
70. ## phscology

Juanita is 45 years old. She has been married for 20 years and has three children. She has been employed as a retail store manager for many years. Recently, she notices that she is having a hard time reading product lists, receipts, and other documents at

asked by Khala on July 1, 2015
71. ## algerbra 1

what is the answer to 5x-16=14-5x Just giving you the answer is not what this forum is about. We'd be defeating the purpose of you assignment by doing that. Try to work the variables to one side, say the lefthand side, and the numbers to the other side.

asked by olivia on September 27, 2006
72. ## physics

Two spheres are mounted on identical horizontal springs and rest on a frictionless table, as in the drawing. When the spheres are uncharged, the spacing between them is 0.05 m, and the springs are unstrained. When each sphere has a charge of +1.6 £gC, the

asked by Anonymous on February 25, 2014

When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation

asked by Suzanne on April 28, 2014
74. ## Algebra, Solving inequalities

1. 5h - 9 = -16 + 6h 4 7 -7 10*** 2. 4x + 4 = 9x - 13 -8 -7 8 -3 3. Which of the following equations has an infinite number of solutions? 3x - 3 = -4x 2y + 4 - y = 16 7x + 5 = 4x + 5 + 3x *** 6y - 2 = 2(y - 1) 6. q - 12 ≥ -13 q ≥ 1 q ≥ -1 q ≥ 25 q

asked by DoctorWhoAndPie on December 9, 2016
75. ## Algebra 1

7) Use cummutative law to find an equivalent expression. 73+yz Answer: 73(y+z) I know this one is wrong but I cannot figure out how to do the problem. 8) Simplify 6[5-9(3-1] Answer: -70 10)The formula b=30a is used in New England to estimate the minimum

asked by deedee on November 5, 2008
76. ## Physics

A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of motion with an acceleration of 29 m/s^2. At this time its engines fail and the rocket proceeds to move as a

asked by John on September 6, 2010
77. ## Urgent Chemistry!!

I have done everything to solve this problem and I can't get the right answer (153.8J/degrees C). Ammonium nitrate, a component of fertilizer, decomposes: NH4NO3(s) > N2O(g) + 2H2) (g) the delta H=-36.0kJ/mol. 7.65g of ammonium nitrate was allowed to

asked by Lulu on November 20, 2008
78. ## Math

Can someone please explain this to me I don't understand it. (I don't know how to solve it) Find the measures of the complement and supplement of an angle with a measure of 60° A. Complement. 30° ; Supplement, 120° B. Complement. 330° ; Supplement,

asked by Cate on March 13, 2019
79. ## algebra

2. How many pounds of chocolate worth \$1.20 a pound must be mixed with 10 pounds of chocolate worth 90 cents a pound to produce a mixture worth \$1.00 a pound? What Do I Know? What Do I Want to Know? Assign Variables Write a verbal Model: How Do I Find the

asked by peg on November 17, 2010
80. ## grography

1) the nations of Indochina ________ share a common language share a common history share a common religion none of the above 3) which statement about austria and switzerland is not true? the alps tower above both countries unlike switzerland, austria has

asked by poisoned rose on May 16, 2012
81. ## Social Studies | Check My Answers

Good afternoon, Jiskha tutors! Can someone please check my answers, and if they are incorrect, tell me where I can research the right answer? Thanks so much, and have a great day! :)

asked by Anonymous on February 6, 2018
82. ## Cost accounting

each bill 1500 hours per year and receive pay of \$100,000 each. Four paralegal work for the firm and each receives pay of \$40,000 and works 2,000 hours per year. Overhead of \$396,000 is anticipated, of which \$300,000 is attorney support, and the rest is

asked by joyce pettaway on December 13, 2010
83. ## HSM210

Mrs Sue I corrected the answers that you said I had wrong in my assignment . Do you mind checking these for me again to see if I corrected them . Thank you so much for your help. 1. The Supreme Court has a greater obligation to protect the rights of

asked by david on January 19, 2010
84. ## Chemistry

Below are 2 word equations. For each, identify the type of equation and write a chemical equation with symbols for the word equation. (I have solved the equations but I am not sure what the question means by ``type of equation``) a) Potassium was

asked by Anonymous on September 8, 2015
85. ## Chemistry DrBob

What is the pH of the solution created by combining 2.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH pH wHCl pH wHC2H3O2 2.30 ________ _________ What are the pH values if you take into

asked by Amy on May 1, 2008
86. ## social studies - saudi women

Which of the following would be an important change for most women in Saudi Arabia? A. new styles of hijabs and sharshafs B. the right to vote C. the ability to move about in public without a male relative D. employment According to what I have studied

asked by Gourami on February 9, 2016
87. ## corporate finance

here are questions and please show how you got the answers. 6. Andrew Thompson owns 65,000 shares of Beta Enterprises. His shares have a total market value of \$1,820,000. In total, Beta Enterprises has 250,000 shares outstanding. Each share is entitled to

asked by pattikake on November 13, 2009
88. ## Statistics

Do you drink the recommended amount of water each day? Most Americans don't! On average, Americans drink 5.4 eight-oz servings of water a day. A sample of 36 education professionals was randomly selected and their water consumption for a 24-hour period was

asked by needhelp on July 23, 2014
89. ## Chemistry

You have two beakers, one filled to the 100-mL mark with sugar (the sugar has a mass of 180.0 g) and the other filled to the 100-mL mark with water (the water has a mass of 100.0 g). You pour all the sugar and all the water together in a bigger beaker

asked by Alexandria on September 3, 2011
90. ## Chemistry

A solution of 100.00mL of 0.2000mol/L sodium carbonate and 200.00mL of 0.1000mol/L calcium nitrate solutions are mixed together according to the reaction: sodium carbonate + calcium nitrate→ calcium carbonate + sodium nitrate. how would you calculate the

asked by Walker on August 20, 2012
91. ## physics

A 0.662-kg basketball is dropped out of a window that is 6.32 m above the ground. The ball is caught by a person whose hands are 1.82 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

asked by justin on July 8, 2013
92. ## College Physics

A 0.697-kg basketball is dropped out of a window that is 6.98 m above the ground. The ball is caught by a person whose hands are 1.73 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

asked by Cameron on January 11, 2017
93. ## Gen physics

A 0.662-kg basketball is dropped out of a window that is 6.32 m above the ground. The ball is caught by a person whose hands are 1.82 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

asked by ODU on July 22, 2013
94. ## Physics

A 107 kg clock initially at rest on a horizontal floor requires a 673 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 522 N keeps it moving with a constant velocity. (a) Find ìs between the clock and the floor.

asked by Elizabeth on November 7, 2010
95. ## physics

A 0.582-kg basketball is dropped out of a window that is 5.98 m above the ground. The ball is caught by a person whose hands are 1.58 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

asked by heather on February 28, 2011
96. ## math

Is this the right way to answer this question? A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 7 of the multiple-choice questions and 3 of the open-ended problems,

asked by sam on August 23, 2009
97. ## Physics 2

A 0.564-kg basketball is dropped out of a window that is 5.85 m above the ground. The ball is caught by a person whose hands are 1.89 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

asked by Tiffany on February 24, 2011
98. ## algebra

Charles and Stacy work at a shoe store. They are both paid \$9 per hour. This week Charles made an extra \$32 in overtime. Which expressions represent the weekly wages for Charles and Stacy. c = the number of hours that Charles worked for the week s = the

asked by lun on December 7, 2018
99. ## physics

A 0.582-kg basketball is dropped out of a window that is 5.98 m above the ground. The ball is caught by a person whose hands are 1.58 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

asked by heather on February 28, 2011
100. ## Algebra

Please check my work. thanxs! Use the Leading Coefficient Test to determine the end behavior of the polynomial function. Then use this end behavior to match the function with its graph. f(x) = 2x^2 - 2x - 2 -I got that is rises to the left and rises to the

asked by Jodie on October 15, 2007