# Which value of r represents data with a strong negative linear correlation between two variables? 1) -1.07 2) -0.89 3) -0.14 4) 0.92

26,129 questions, page 153
1. ## Physics

A brass rod 50.0 cm long expands 0.0734 cm when heated. Find the temperature change. Using the equation Change in temp=change in length/original length * coefficient of linear expansion for brass I am getting the following result: .0734 cm/(1.9x10^-5)(50

asked by Jackie on July 12, 2015
2. ## Math

A drugstore sells a drug costing \$85 for \$112 and drug costing \$175 for \$238. A, If the markup policy of the drugstore is assumed to be linear, write an equation that expresses retail price R in terms of cost C (wholesale price). B, what does a store pay

asked by daylo3 on January 29, 2011
3. ## physics

A man on the top of a 40 meter tower directly overhead the road is watching a car moving on a straight road. The car speed makes an angular velocity with respect to the observer in a constant speed of 0.16radian/sec. Find the linear velocity of the car

asked by pam on July 18, 2012
4. ## science

why are bricks burnt in kilns they arnt burnt, they are baked, it increases the hardness and water resistasnce over just letting them sit and dry. Bricks are ceramics. They have to get to a high temperature before the silica in the bricks melts and bonds

asked by shourie on November 27, 2006
5. ## Calculus

The following table shows the percentage of the U.S. Discretionary Budget allocated to education in 2003, 2005, and 2009 (t=0 represents 2000) Year t 3 5 9 Percentage p(t) 6.8 7 6.2 (a) Compute and interpret the average rate of change of P(t) (b) Over the

asked by Ellen on September 24, 2014
6. ## Statistics

Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam. What score

asked by Jimmy Smith on May 25, 2013
7. ## Statistics

Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam. What score

asked by Austin on May 26, 2013
8. ## calculus

Which of the following best describes the limit as x approaches 4 of the quotient of 2 times x divided by the quantity negative 2 plus square root of x ? It exists and equals 4 It fails to exist because it is unbounded. It fails to exist because its

asked by lisa on February 5, 2014
9. ## science

identify the process that represents how organisms grow and replace old or damaged cells. Identify the process that is necessary for sexual reproduction, explain why it is necessary, and identify how this process increases genetic variation. (Hint: Answer

asked by Anna on December 19, 2018
10. ## physics

9-Volt battery is used to charge a 375 mF capacitor over a 147 Ù resistance. How many seconds will it take for the capacitor to reach 75% of its maximum charge? Hint: The equation below represents the charge of a charging capacitor as a function of time Q

asked by crystal on March 10, 2011
11. ## physics

A rod of length 30.0 cm has linear density (mass-per-length) given by lambda = 50.0 g/m + 20.0 y g/m2 , where y is the distance from one end, measured in meters. (a) What is the mass of the rod? (b) How far from the y = 0 end is its center of mass?

asked by Anonymous on May 18, 2013
12. ## college trig word problem

A Ferris wheel has a radius of 25 feet.The wheel is rotating at two revolutions per minute.Find the linear speed, in feet per minute, of a seat on this ferris wheel.

asked by Joel on December 15, 2012
13. ## Calculus 1

The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the

asked by Anonymous on October 28, 2014
14. ## Calculus 1

The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the

asked by Anonymous on October 28, 2014
15. ## Texas History

Can someone on connexus help me with this test? 1.What was a big difference between the Texas constitution of 1836 and the Texas Constitution of 1845? A.The constitution of 1845 did not have a separation of powers like that of the constitution of 1836.

asked by Carmen on May 8, 2017
16. ## us history

which of the following describes the main reason the Spanish conquistadors needed native american slaves? A: they needed help to find gold and send it back to Spain B: the native american slaves aided them with their tobacco crops C: the Spanish wanted to

asked by stephanie on January 12, 2015
17. ## Geography

Please help me on these: 23. How can Bosnia-Herzegovina best be described? a. as a nation of conflicting ethnic groups b. as a unified nation c. as a nation struggling to rebuild Communist ties to Russia d. as a peaceful and prosperous nation A 25. How did

asked by y912f on February 8, 2010
18. ## Writing

How should I start an essay about myself? One of the most effective ways I've taught and used to write anything autobiographical is to think of a time when you did something really meaningful: ~ made a major decision about your future ~ endured a painful

asked by Tae on August 20, 2007
19. ## SOCIAL STUDIES

John calvins achievements = french lawyer who set up a christian state in city of Geneva in Switzerland. His state was ruled by religious authorities. His government was really strict. People in that city had to get used to his "blue laws", because of

asked by ELINA on June 12, 2009
20. ## Chemistry

Stomach acid is composed primarily of HCl. If the concentration of the acid is 0.010M and it has a volume of 70 mL, how many generic tablets would you need to fully neutralize the acid? (Use your data) I just don't know where to start for this question, or

asked by jamie on November 1, 2016
21. ## physics

determine the following distances based on the sonar data given. a ship sends a sound pulse downward and receives the reflected sound 2.50 s later. use the formula d=vt. assume the speed of sound in sea water is 1540 m/s

asked by lorraine on October 1, 2010

A length of wire has a radius of 3.00 × 10-3 m and a resistance of 0.200 Ω. When the potential difference across the wire is 10.0 V, the electron drift speed is found to be 2.98 × 10-4 m/s. On the basis of these data, calculate the density of free

asked by samantha on November 21, 2012
23. ## Physics

A box is given an initial leftward velocity of -20 m/s. Friction works against that motion, causing a constant acceleration of 4 m/s2 until the box stops. Hint: would acceleration be positive or negative here to slow the box down? How far does the box

asked by Anonymous on September 17, 2017
24. ## Chemistry

Which group of elements is characterized by an s2p3 configuration? What is the electron configuration of group 15? http://www.chemsoc.org/visElements/pages/data/intro_groupv_data.html thanks

asked by Larry on November 12, 2006
25. ## amer gov

Choose the poll results for your state. Research and take notes on the polls and the data provided. Then, write down ten results from the polls that indicate something interesting about the relative strength of the parties.

asked by bill on October 11, 2009
26. ## Chemsitry

What is the pH of the buffer solution that results when 58.50 g of sodium acetate (NaCH3CO2) (Formula Mass = 82.02 g mol-1) is added to 1 litre of 0.45 mol L-1 acetic acid (CH3CO2H) ? Data: Ka for CH3CO2H = 1.8 x 10-5

asked by Sue on April 20, 2015
27. ## english

Can anyone provide me with some statistics or graphs or evidence of how an better security system can increase the number of users for online banking? I need to show this in a form of visual data so graphs or statistics that I can use?

asked by sarah M on September 21, 2018
28. ## Science

5 Grade class with 20 students collected snack-survey data.The class made the circle graph. Cookies:5,Granola Bar:4,Candy Bar:7 Fruit:3,Other:1

asked by Frances on April 26, 2011
29. ## Data Management

The teacher of a Data Management class, in which the class average is 68% with a standard deviation of 8.5%, has offered to help up to 10% of the students after school with their projects. Using the normal distribution, how should the teacher decide who

asked by Michael Cannataroe on May 23, 2012
30. ## science

A logical description of how data-based evidence supports or does not support a hypothesis is best described as __________. a scientific law deductive reasoning inductive reasoning a scientific argument Is it the last one?

asked by dianni on December 18, 2018
31. ## math

A data set is shown below. x y 1 6.00 2 5.04 3 4.23 4 3.56 5 2.99 6 2.51 7 2.11 Using an exponential best-fit model, what is the residual when x = 1. Round your answer to the nearest hundredth. This is the problem i dont understand line of best fit i dont

asked by james on March 29, 2017
32. ## Chemisty

In an experiment, 23.0 g of ice at –25°C is converted into steam with a temperature of 124°C. How much heat is required for the process? The following data may be of use: vap = 2260 J/g; Hfus = 334 J/g; Cp(ice) = 2.06 J/g • °C; Cp(water) =

asked by Stephen on April 8, 2010

For an experiment on specific heat capacities my data for measured specifi heats was consistently higher than the accepted values. I am not sure why this is. Would it be because my initial temperature that I started the experiment with was higher than it

asked by Hannah on November 3, 2012
34. ## Principle of Finance

How do I calculate profit margin with the following data? Total equity - 639,400 Net incoome - 51,700 Debt equity ratio - .55 Total asset turnover - 2 Thanks!

asked by Robson on September 20, 2012
35. ## Math

Pleas check my answers Directions: Calculate the mean, median, mode & range for the following data sets. If a data set does not contain a mode, write 'no mode' for mode. 1) 61, 98, 60, 60, 57, 81, 93 Mean Median Mode Range 2) 72, 18, 78, 94, 94, 73 Mean

asked by Sunji on February 1, 2018
36. ## Algebra

Hello....I was helped on this question earlier, but I don't understand why we divide by 2? Please help, please see the below: The president will order 5 turkey sandwich combos and 7 steak lunches and spends \$124.00. The other president will get 10 turkey

asked by Mary on December 12, 2016
37. ## English

Q: Which role will you be good at? 1. I think I will be good at the role of the bow, for I can keep the balance of the boat. 2. I think I will be good at the role of the middle four rowers, for I am very strong. I can do my best to make the boat go fast.

asked by rfvv on September 17, 2014
38. ## statistics

For a given set of data, it is known that x = 10 and y = 4. The gradient of the regression line y on x is 0.6. Find the equation of the regression line and use it to estimate y when x = 8.

asked by ednah on April 24, 2015
39. ## math

IN A CLASS OF 28 SIXTH GRADERS,ALL BUT ONE OF THE STUDENTS ARE 12 YEARS OLD.WHICH TWO DATA MEASUREMENTS ARE THE SAME FOR THE STUDENTS AGES?WHAT ARE THOSE MEASUREMENTS?

asked by star on September 4, 2008
40. ## Algebra

Find the mean and standard deviation of the data set. If necessary, round to the nearest hundredth. 4, 8, 5, 12, 3, 9, 5, 2 Mean is 6 and standard deviation is about 13.33?

asked by Anonymous on May 20, 2014
41. ## statistics and probability

Find x and y so that the ordered data set as a mean of 42and a median of 35. 17,22,26,29,34,x,42,67,70,56,y soln: 17+22+26+29+34+x+42+67+70+56+y= 363+x+y (363+x+y)/11=42 y=99/x x is median

asked by masinde on December 3, 2015
42. ## Chemistry

Is the equivalence point always supposed to be equal to 7. I just did a lab and when plotting my data I calculated my equivalence point to be around 8.

asked by Ben on December 21, 2017
43. ## math

The median score on a test is 90. Is it possible to add two more scores to the data and still have a median score of 90? Explain your answer.

asked by Ryan on April 23, 2013
44. ## math

if you were to sketch a circle graph for a data. what fraction of the circle would represent food and the food \$450

asked by leana on February 8, 2015
45. ## statistics

5) (2 pts) One fourth of the scores in any data set are below the A) first quartile B) secon quartile C) third quartile D) fouthr quartile

asked by Rose on December 14, 2007
46. ## Math

I need help,my example: The sales representative say there are two floor plans available 56 total houses. Use x for floor plan 1 and y for floor plan 2 then write an equation that illistrates the situation. So I thought x+y=56, then sales rep. says there

asked by dee on November 27, 2009
47. ## PHYSICS

A PERSON LOWERS A BUCKET INTO A WELL BY TURNING THE HAND CRANK. THE CRANK HANDLE MOVES WITH A CONSTANT TANGENTIAL SPEED OF 120M/S ON ITS CIRCULAR PATH. THE ROPE HOLDING THE BUCKET UNWINDS WITH OUT SLIPPING ON THE BARREL OF THE CRANK. FIND THE LINEAR SPEED

asked by kassy on November 8, 2016
48. ## physics

1.A cylinder rolls without slipping on a horizontal plane and then up an incline. The linear speed of the cylinder at the beginning is v. What maximal height h will the cylinder reach? 2.Helicopter of mass M holds stationary in the air fires a missile of

asked by Sandhya on May 3, 2011
49. ## Physics

A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow joint as well as other movements. If the linear velocity of the ball relative to the elbow joint is 19.7 m / s at a distance of 0.470 m from the joint and

asked by Morgan on October 24, 2016
50. ## PHYSICS HELP!-Hooke's Law

You should expect concrete to have an elastic constant that is _____ than wood. a. larger than b. smaller than c. equal to So...based on what I looked up as the definition for elastic constant and linear elasticity, I think conrete is less elastic than

asked by Jael on November 12, 2010
51. ## early chhildhood

"Shaping" involves A. Removing reinforcers to diminish a behavior** B. rewarding each step toward a goal to teach a new skill C. using negative reinforcement to increase a behavior d. Using positive reinforcement to increase a behavior

asked by kayla on August 30, 2017
52. ## PHYSICS

Two point charges are placed on the x axis as follows: Charge q1= 4.20 is located at x= 0.185 , and charge q2= 4.80 is at x= -0.280 . What are the magnitude and direction of the net force exerted by these two charges on a negative point charge A =

asked by Anonymous on September 19, 2012
53. ## physic

two point charges are placed on the x axis as follows: charge q1 = +4.00 nc is located at x = 0.200 m, and charge q2 = +5.00 nc is at x = -0.300 m what ae the magnitude and direction of the net force exerted by these two charges on a negative point charges

asked by yanis on February 13, 2013
54. ## physics

An electron is released at the negative plate of a parallel plate capacitor and accelerates to the positive plate a) as the electron gains kinetic energy, does its electric potential energy increase or decrease? Why?

asked by H on July 10, 2008
55. ## algebra 1

Delilah buys an \$18,000 car for her catering business. The equation below shows her earnings after each catering event, where x represents the number of hours worked. y=18x 150 If each event is approximately 5 hours long, about how many events must Delilah

asked by Lalt on February 10, 2012
56. ## Math

So this is a math quiz I took a few months ago and they said I can redo it, but I have to explain why the correct answer is correct... And idk. Which equation represents 15 more than r is 61? The answer is r + 15 = 61 but idk why? What is the value of 4^2

asked by Megan on December 16, 2015
57. ## History

What role does the factor play in the plantation economy? A. The factor manages the plantation workers. B. The factor is the middleman who negotiates the price and sale of cotton. C. The factor represents the government in the management of the plantation

asked by Philisnotonfire on December 7, 2016
58. ## Math

Carson said that when you divide two negative decimals the answer will be greater than 0. Use these numbers to answer the questions: –7.2, –2.4, –1.6, –0.8 Is Carson’s statement always true, sometimes true, or always false? Write two equations to

asked by Anonymous on January 19, 2016
59. ## Physics

Can someone please help me? The brakes of a truck cause it to slow down by applying a retarding force of 2.60 103 N to the truck over a distance of 930 m. What is the magnitude of the work done by this force on the truck? Is the work positive or negative?

asked by Phil on March 15, 2011
60. ## science

49. A researcher writes a grant proposal to repeat an experiment that was recently published by another researcher. Which of the following statements best supports the grant proposal? A. Funding this grant proposal will allow this laboratory to continue to

asked by keia on August 19, 2016
61. ## Math

Explain how you would design a research study to compare the effectiveness of two weed killers. Both weed killers A and B are known to be effective but it is not known which is more effective and on what type of weeds. Weeds can be broadly classified into

asked by Yeng on May 23, 2015
62. ## math

For his exercise today, Josh plans to both run and swim. Let r be the number of laps he runs and let s be the number of laps he swims. Each lap he runs takes him 4 minutes, and each lap he swims takes him 3 minutes. He wants to exercise for at least 30

asked by kelly on September 25, 2016
63. ## Chemistry

The following reaction represents the decomposition of hydrogen peroxide: 2H2O2 -> O2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of hydrogen peroxide, H2O2? Please help, I got 0.02 molecules of water but need to

asked by Dee on October 17, 2010
64. ## Algebra 1

the lateral ara of a right cylinder can found can be found by multiplying twice the number pie by the radius the height. If a right cylinder has radius r and height h, write an expression that represents the lateral area.

asked by Miracle Harris on August 25, 2015
65. ## MATH

A biologist is recording the loss of fish in a pond. She notes the number of fish, f, in the pond on June 1. On July 1 there were 63 fish in the pond, which is 52 fewer fish that were in the pond on June 1. Which equation represents this situation?

asked by AMY on November 6, 2014
66. ## Math

Gabriella is x years old.Her sister Felicia,is six years old than she is.Their mother is twice as old as Felicia.Their aunt,Tanya,is x years older than their mother.Write and simplify an expression that represents Tanya's age in years.

asked by Nancy on January 14, 2015
67. ## MATH HELP PLZZ ASAP

Julio's father is 4 times as old as Julio. The sum of their ages is no less than 55. Enter an inequality that can be used to represent this situation in the first box, where x represents Julio's age. Enter the youngest age Julio can be in the second box.

asked by liliana on September 28, 2016
68. ## Math

A company charges \$6 to make a pattern for an order of T-Shirts and \$11 for each T-Shirts it produces from the pattern. The expression \$11n + \$6 represents the cost of n T-Shirts with the same pattern. Find the total cost for 5 T-Shirts with the same

asked by Micaela on January 3, 2012
69. ## math

Julio's father is 4 times as old as Julio. The sum of their ages is no less than 55. Enter an inequality that can be used to represent this situation in the first box, where x represents Julio's age. Enter the youngest age Julio can be in the second box.

asked by ariel on October 3, 2016
70. ## Probability

Let X=U+W with E[U]=m, var(U)=v, E[W]=0, and var(W)=h. Assume that U and W are independent. The LLMS estimator of U based on X is of the form U^=a+bX. Find a and b. Express your answers in terms of m, v, and h using standard notation. a=- unanswered b=-

asked by A on April 3, 2014

What is the BEST reason to omit the reason for the refusal in a negative message? (Points: 5) The reader may not think of the reason. The reason reflects poorly on the company. The reason benefits the reader, but not the writer. The reason is watertight.

asked by lisa on November 22, 2010
72. ## physics

The three displacement vectors in the drawing have magnitudes of A = 5.73 m, B = 6.48 m, and C = 3.12 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an

asked by anonymous on February 3, 2014
73. ## Chemistry

At 389K, this reaction has a Kc value of 0.0682. 2X(g) + 2Y(g) Z(g) .. Calculate Kp at 389K. Kp= this is what I did.. can somebody confirm or find any mistakes in my thought process? Kp = Kc(R)(T)^Delta n Delta n = (1)-(2+2) = -3 Kp =

asked by Tracy on March 5, 2012
74. ## physics

Two point charges are placed on the x axis as follows: Charge q1= +4.00 nC is located at x= 0.200 m, and charge q2= +5.00nC is at x= -0.300 m. What are the magnitude and direction of the net force exerted by these two charges on a negative point charge q3=

asked by Jen on January 21, 2008
75. ## finance

I give you a flat yield curve from 0 to 4 years: 2%. You have a five year swap contract that pays annually and want to use it to extend the curve to 5 years. How low can the swap par rate go before forward between 4 and 5 years goes negative?

asked by sasi on April 4, 2015
76. ## Physics

The three displacement vectors in the drawing have magnitudes of A = 5.48 m, B = 5.23 m, and C = 4.75 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an

asked by joe on September 9, 2015
77. ## math

atlanta-86 chicago-80 duluth-62 fargo-66 miamai-86 omaha-71 san diego-75 san fransisco-68 which best describes the data? a-the temperatures vary by 23degrees b-the interquartile range is 15degrees i got b but my teacher said it was wrong can you pleaser

asked by gabs on March 14, 2009
78. ## accounting

Can anyone help explain what information would be found in each of the following groupings on a classified balance sheet, and how that data could indicate the future success or failure of a business?: Ø Current assets Ø Long-term investments Ø Property,

asked by Anonymous on August 18, 2008
79. ## Math/Trig

The following is a table for the maximum temperature per month, for Boulder, CO Month|° F Jan:45.1 Feb:48.2 Mar:53.8 Apr:62.8 June:71.6 July:81.5 Aug:85.1 Sept:76.6 Oct:66.7 Nov:52.9 Dec45.5 Find the sinusoidal function that models this data. How do I do

asked by CJ on January 14, 2011
80. ## accounting

Can anyone tell me what information would be found ineach of the following groupings on a classified balance sheet, and how that data could indicate the future success or, failure of a business: Current assets Long=term investments Property, plant, and

asked by Anonymous on August 14, 2008
81. ## chemistry

When combined with cupric ions (aq, 1M) which will produce the largest standard cell voltage? (Use data from table 20.1, and Appendix D page A28-A29 in Petrucci) 1. ) Mn(s) 2. ) MnCl2(aq) 3. ) KMnO4(aq) 4. ) MnO2(s) the answer i got was MnO2,,,,but im not

asked by mandeep on December 2, 2009
82. ## Statistics

A social worker is involved in a study about family structure. She obtains information regarding the number of children per family for a certain community from the census data. Identify the variable of interest, determine whether it is discrete or

asked by AprylB on September 13, 2016
83. ## STATISTICS

A teacher wants to investigate whether there is a difference between male and female students in the amount of time they spend studying for statistics. What was the statistical test used to analyze the data? Is this a one or two tailed test? Identify Ha

asked by caryn on February 15, 2012
84. ## Chemistry

The decomposition of hydrogen iodide on a gold surface at 150 oC HI(g) ½ H2(g) + ½ I2(g) is zero order in HI. In one experiment, when the initial concentration of HI was 0.206 M, the concentration of HI dropped to 3.71E-2 M after 898 seconds had passed.

asked by kait on March 22, 2014
85. ## CHEMISTRY

Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4. (a) Mn(s) | Mn2+(0.11) M || Cr3+(0.24 M), Cr2+(0.11 M) | Pt(s)

asked by sabrina on November 30, 2012
86. ## Operation Management

Determine the placement of departments for a newly designed facility that will minimize total total transportation costs using the data in the following tables Assume that reverse distances are the same. Thelocation are shown in the grid. Use a cost of \$1

asked by Anonymous on February 2, 2010
87. ## Physics

In 1989, Carl Lewis established a world record when he ran the 100 meter dash in 9.92 seconds. What was his average speed(in m/s) for the race? Remember to include your data, equation, and work when solving this problem. I am not sure how to do this

asked by Jake on March 29, 2009
88. ## Science (Chemistry) Ratio of mole

You measured out 0.101g of Mg. You heat the sample and measure out 0.234 of the magnesium oxide compound. Given your data, what us the empirical formula for the Mg(x)O(y)? x and y are ratio x:y If I'm doing this correctly, I divided 0.101g of Mg/24.31g of

asked by Ray on October 17, 2016
89. ## Chemistry

The element Sc has hcp packing with a hexagonal unit cell. The density of scandium is 3.00E3 kg/m3 and the cell volume is 5.00E-26 L. Calculate the value of Avogadro's number to 3 significant figures based on these data. Note: the value may differ from the

asked by roxanne on February 4, 2008
90. ## Computer Science

Help me find the answers to these brain teasers. #1 I am where the sky is orange; I am where the grass is red; I am the land of violet bananas and the home to blue oranges. What am I? #2 Wha is a word that is 1 syllable but when you add 1 letter the end;

asked by Christa on July 20, 2007
91. ## i really need help!! graphing

what do i put the viewing window as on my calculator if i have an equation of 2x^2+40000/x is x=0 an allowed value in the domain? So have to make allowances for x near zero. Check the problem: is x cited to have a particular domain? If not, then plot this

asked by cheryl on November 16, 2006
92. ## P.E

Anger is a normal emotion that all humans feel at some time. It is important to express this emotion in a healthy way. Which of these ways of dealing with anger might affect your health in a negative way? A.) Accept your feelings B.) Ignore your triggers

asked by Kay on April 18, 2017
93. ## Physics (Mechanics)

Two blocks with equal masses m1 = m2 3.2 kg are connected via a pulley as shown in the above figure. Take the coefficent of kinetic friction to be 0.3 and the angle of the incline to be 40 degrees. Find the acceleration given that (Note: enter a negative

asked by Kevin on October 17, 2016
94. ## American Government

1. Which of the following is NOT a criticism of the media's influence on public opinion? a. bias in reporting b. negative focus c. watchdog reporting d. visual imagery Answer: b 2. Which of the following is NOT a function of an interest group? a. supplying

asked by Cheryl on May 21, 2011
95. ## physics

A car initially traveling at 31.0 m/s undergoes a constant negative acceleration of magnitude 2.00 m/s2 after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the tires

asked by Kelsey on March 27, 2010
96. ## Mechanics

Two blocks with equal masses m1 = m2 3.2 kg are connected via a pulley as shown in the above figure. Take the coefficent of kinetic friction to be 0.3 and the angle of the incline to be 40 degrees. Find the acceleration given that (Note: enter a negative

asked by Kevin on October 14, 2016
97. ## college trip

6) A Ferris wheel at the 1904 St. Louis World’s Fair had a diameter of 250 ft and made one revolution in 30 minutes a) Find the exact angular speed in radians per hour b) Find the linear speed of a person riding the Ferris wheel in miles per hour. Round

asked by Asia on September 26, 2016
98. ## Math

1. Graph the points A ( -5,0) B ( -4, 3) and C ( 0, -4) A B C D 2. Identify the quadrant in which (3, -6) lies A II B IV C I D III 3. Determine which ordered pair is a solution of y = 2x - 3 A ( -2, 7) B ( 0, 3) C ( -4, -11 D ( 5, -7 5. Graph the linear

asked by Justin on March 23, 2017
99. ## Math

1. Assume the pond starts with 500 frogs. For this problem, our unit of population will be a kiloFrog (= 1,000 frogs), so the initial population would be 0.5 kF. Write an equation that represents the number of frogs that will be in the pond next year if we

asked by Kaleah on September 1, 2017
100. ## Math

For this math problem I am selling 30 pies for \$25 each at the farmers market. I spent \$500. \$200 on the booth and \$300 on all of the pies, each pie costing \$10 to make. I earned \$750 total, making a \$250 profit. c. In Task 1 you determined how much you

asked by Spn on October 18, 2017