# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

142,296 questions, page 222
1. ## calculus

The cost of running a ship at a constant speed of v km/h is 160 + 1/100*v^3 dollars per hour. a)Find the cost of a journey of 1000km at a speed of v km/h. b)Find the most economical speed for the journey, and the minimum cost. c)If the ship were to have

asked by jim_segs on November 17, 2013
2. ## Calculus

A curve is defined by the parametric equations: x = t2 – t and y = t3 – 3t Find the coordinates of the point(s) on the curve for which the normal to the curve is parallel to the y-axis. You must use calculus and clearly show your working, including any

asked by Daksh on July 18, 2014
3. ## Algebra/can you help me

Write each expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places). log7^10= 1.183 How do you find the approximation log3^316 = 5.239 How do you find the approximation Thank you

asked by Mary Ann on June 2, 2014
4. ## statistics

Group the largest data set and find mean, median, mode, variance, standard deviation, 15-th, 45-th and 80-th percentiles of the grouped data. Then find the same sample statistics using the ungrouped data. Is there any difference? Comment.

asked by metu on November 20, 2011
5. ## Chemistry/lab math

I think I have these figured out correctly but I'm not sure if I might have converted in the wrong direction; The rate of the enzyme activity of a certain reaction is a. 0.0027 μmol/min/mL. Express it as __ μmol/min/L My answer: 2.7 μmol/min/L b. 15,000

asked by Anonymous on August 20, 2013
6. ## Gas Laws and Energy

I have another question. I've tried it and i keep getting it wrong. The average kinetic energy of a 1.85-g sample of argon gas in a 3.00-L bulb is 1.28e-22 J/atom. What is the pressure of the gas? What is the root mean square velocity of the argon atoms

asked by Jay on March 2, 2007
7. ## physics

The drawing shows a force vector vector F that has a magnitude of 600 newtons. It lies at alpha = 67° from the positive z axis, and beta = 31° from the positive x axis. (that's the diagram given) webassign. (delete this space) net/CJ/p1-39alt.gif (a)

asked by RE on September 10, 2009
8. ## Science

I answered the questions, but I don't know if my choices are right. 1) Which of the following is an acidic pH? 6 7 8 800 None of the Above Answer: 6 ------------------------------------- 2) Which of the following is directly produced by photosynthesis?

asked by Jane on March 21, 2015
9. ## Middle Childhood Psychology

Could someone please check my answers to make sure that they are correct. If any of my answers are wrong, please provide me with the correct answer? Thank you! 1. Marabella knows that a given amount of spaghetti remains the same whether the spaghetti is in

asked by Sharon on July 29, 2011
10. ## math

Two stations, A and B, are located six miles apart on a railroad. The rates of cartage of coal are 50 cents per ton per mile from A and 75 cents per ton per mile from B. At a certain consumer's home, located on the railroad between A and B, the cost for

asked by thomas on April 6, 2014
11. ## math(elmntry euclidean geometry)

The sum of the angles of a quadrilateral is 360°. Find the conditional, draw a diagram, and state the given and conclusion. CONDITIONAL FORM: If it is the sum of the angles of a quadrilateral, then it measures 360°. DIAGRAM: Not shown, but pictures a

asked by David on September 6, 2015
12. ## math-Inverse functions

f(x)=-4x-2 & g(x)=5x-6. Find (f*g) and state domain. f(x)-x^2-1 what is the equation for f^-1(x)? f(x)=3x+2, find f(f^-1(14)). f(x)=4x+7 and g(x)=3x-5 find (f*g)(-4) f(x)=sqrt x+3 what is equation for f^-1(x)? Graph y=sqrt x-2 +5 which point lies on graph?

asked by Anonymous on January 31, 2009
13. ## Chemistry

1. A typical bathtub can hold 102 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 63 ◦F to 98 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of

asked by Alex on October 25, 2015
14. ## chemistry

A typical bathtub can hold 106 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 56 ◦F to 87 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of

asked by maria on October 26, 2013
15. ## physic

A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. •1Nmm = 0.001Nm •100Nmm = 100 X 0.001 = 0.1Nm •Comp.1 = 15 mm = 0.015m •Comp.2 = 65 mm = 0.065m a) i-Find potential energy at 15mm.

asked by daniel on April 2, 2009
16. ## physics

IF a particular galaxys has a total mass of 10 to the 56 grams and the average star in that galaxy has a mass of 10 to the 35 grams, approximately how many stars are there in that galaxy? Give your answer to the nearest whole power of 10 by entering the

asked by arias on January 28, 2017
17. ## SS - check answers

Hello! Could anyone please check my answers? This is for a social studies assignment! Question 1: Why did the interaction between the settlers in Texas and the Mexican government develop and change over time? My answer: Over time, the settlers in Texas and

asked by cAt.ExE HaS sTopPeD wORkInG on November 8, 2018
18. ## Math

Find four geometric means between 4096 and 972. an=a1*r^n-1 a6=972*r^6-1 4096=972r^5 4.2=r^5 1.3 972(1.3)=1296 1296(1.3)=1728 1728(1.3)=2304 2304(1.3)=3072 answer=1296,1728,2304,3072 Now that I look at it, do I have the a1 and a6 values mixed up? Because

asked by Jon on March 4, 2008

1. A positively charged test object is moving toward the positive source charge in an electric field. What happens next??? A. its potential energy decreases. B. Its potential energy increases. C. Its potential energy stays the same. D. Its potential energy

asked by HELP MEEEEE on December 4, 2014
20. ## trigonometry

suppose a manufacterer of transistors believes that, on the average, one defective transistor occurs in every 100 transistors. a. find the probability that a batch of 20 transistors has 2 defectives. b. find the probability that a batch of 20 transistors

asked by Rob on January 10, 2007
21. ## Math

A toy rocket is launched with an initial velocity of 180 m/s. The height of the rocket, in metres, can be modelled by h = –5t2 + 180t, where t is the time in seconds the rocket is in the air. How long will the rocket stay above a height of 1000 m Answer:

asked by Anonymous on May 4, 2015
22. ## AP Calculus AB

Hello! I'm having trouble with this related rates problem: A 5ft tall person is walking away from a 16ft tall lamppost at a rate of (2/x) ft/sec, where x is the distance from the person to the lamppost. Assume the scenario can be modeled with right

asked by Andy on October 4, 2015
23. ## chemistry

The laboratory tech accidentally mixed NaHCO3 with BaCl2-2H2O instead of KCl when preparing unknown mixture for this experiment. How would this mistake affect the calculated percentage of NaHCO3 in the mixture? Justify answer with an explanation. Is it

asked by Sandy on February 2, 2014
24. ## FACS - Reading Assignment Help!

7. Explain - Why is it important to evaluate the work plan? What might happen if team members fail to evaluate it? Answer - The reason why it's important to evaluate the work plan is because so that they understand what did correctly, what could be

asked by Laruen on April 22, 2012
25. ## Math

1. A very magical teacher had a student select a two-digit number between 50 and 100 and write it on the board out of view of the instructor. Next, the student was asked to add 76 to the number, producing a three-digit sum. If the digit in the hundred’s

asked by Angie on September 22, 2008
26. ## Chemistry

The initial pressure for the compounds involved in the reaction shown were determined to be P(Br2(g)) = 0.5417 atm, P(Cl2(g)) = 0.6962 atm, P(BrCl(g)) = 0.3442 atm. Calculate the value of the equilibrium constant (Kp) at 1000 K if the equilibrium pressure

asked by Amphee on April 7, 2010
27. ## chemistry

Initially a vessel is charged at 1000K with SO3 at a partial pressure of 0.5atm. At equilibrium the SO3 partial pressure is 0.2atm. Calculate the value of Kp at 1000K. 2SO3->2SO2+O2 My answer: 0.5-0.2=0.3atm SO2=0.3atm*2/2mol= 0.3 O2=0.3atm*1/2mol=0.8

28. ## math

A true-false test consists of 15 items. (b) What is the probability that Chris gets 80% or more for the test? (c) If it is a 25 item true-false test, would you think it is easier or more difficulty for Chris to get 80% or more? (Hint: please calculate the

asked by susan on August 24, 2016
29. ## chemistry

Initially a vessel is charged at 1000K with SO3 at a partial pressure of 0.5atm. At equilibrium the SO3 partial pressure is 0.2atm. Calculate the value of Kp at 1000K. 2SO3->2SO2+O2 My answer: 0.5-0.2=0.3atm SO2=0.3atm*2/2mol= 0.3 O2=0.3atm*1/2mol=0.8

30. ## Math

Explain How You got the answer please, because the answer I keep getting doesn't even match any of the answers. A telephone dial has holes numbered from 0 to 9 inclusive, and eight of these holes are also lettered. How many different telephone numbers are

asked by Kaya on March 30, 2012
31. ## Chemistry

In a fixed volume container, 6*10^23 molecules of a gas exert a pressure of 12 N/m^2. If 12*10^23 molecules of gas were added to the container, what would the pressure become? PV=nRT P=pressure in atm V=volume in L T=absolute (kelvin) temperature R=0.082 L

asked by Mike on May 27, 2010
32. ## Multiple choice Chemistry help?

1. How is precipitate formed? A: Particles collide, diffuse and then react. B: Particles collide, react and then diffuse. C: Particles diffuse, collide and then react. D: Particles diffuse, react and then collide. My answer is C so correct me if it is

asked by Kind boy on August 15, 2009

(imageshack)(.)us(/)photo (/) my-images (/)42(/)2vja. jpg(/) Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle

asked by BARBIE LEE on November 9, 2013
34. ## Math-Probability

Please explain how to get the answer.I have now idea. 1.If you roll two fair dice,one red and one green,what is the probability of getting a 2 on the red die and a 3 on the green die? Give answer in a reduced fraction. 2.If you roll two fair dice,one red

asked by Kaylee on November 14, 2013
35. ## Math

Fantasia Florist Shop purchases an order of imported roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? Using your answer to the question above, what is the net dollar amount of that rose

asked by Missy on May 29, 2013
36. ## physics (Simple harmonic motion)

In a horizontal block-spring system,the block mass is m=0.5kg and the spring constant is k =2N/m. At t1=0.1s the block velocity is +0.263m/s and the acceleration is -0.216m/s2. Assuming that the system is undergoing SHM.Write the expression for block

asked by bling pls help on September 3, 2016
37. ## Math

a. Do some research and find a city that has experienced population growth. Determine its population on January 1st of a certain year. Write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a

asked by D on March 11, 2018
38. ## ALGEBRA

Many states offer personalized license plates. California, for example, allows personalized plates with seven spaces for numerals or letters, or one of the following four symbols. What is the total number of license plates possible using this counting

asked by MONICA on November 26, 2011
39. ## physics

A car (mass = 860 kg) is at rest on the top of a tall hill. the car rolls down the hill and at the bottom, reaches a top speed of 19 m/s. A) find the force of gravity on the car 560 x 9.8 = 5488 N B) find the work done by gravity on the car W = change in

asked by Mechai on November 20, 2014
40. ## Math

Sam needs to cut a piece of sheet metal into 8 pieces. All the cuts are made in the same direction. It takes him 5 minutes to make each cut. How many cuts will Sam make? How would making a table help you find the number of minutes it took Sam to cut the

asked by Julie on February 14, 2013
41. ## Math/Health

I was wondering if someone could please help me this is really making me go crazy please check my answers thank you Paul Smith was admitted to the hospital for the first time this year on Sept 15. On Sept 25 he was transferred to a SNF where he stayed

asked by Remi on March 12, 2008
42. ## geometry

The width of a rectangle is 6 cm less than its length. If the area of the rectangle is 135 square cm, find the dimensions. Then find the perimeter of the rectangle.

asked by jay on November 15, 2011
43. ## maths

The 6th term of an A.P is twice the third and the first term is 3. Find the common difference and the 10th term and find the sum of the 1st 10 terms

asked by Anonymous on April 19, 2019
44. ## Physics

An object has a kinetic energy of 244 J and a momentum of magnitude 24.9 kg · m/s. (a) Find the speed of the object. (b) Find the mass of the object.

asked by J on March 19, 2012
45. ## physics

An object has a kinetic energy of 304 J and a momentum of magnitude 26.7 kg · m/s. (a) Find the speed of the object. (b) Find the mass of the object.

asked by jill on March 28, 2012
46. ## Calculus-HELP PLZ !!!!

Find a general solution to the first – degree ODE. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible. (9x^2+y-1)dx-(4y-x)dy=0, y(1)=0

asked by Sara on July 7, 2013
47. ## Chemistry

I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..

asked by Cindy on April 10, 2012
48. ## Chemistry

I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..

asked by Cindy on April 10, 2012
49. ## algebra 1

Solve the following problem: Kate bought a car for \$20,000. A study shows that a car will depreciate (go DOWN in value) by 15% each year. How much is Kate's car worth after 5 years? a) Formula used: ___________________________________ b) Substitute values:

asked by hello on February 6, 2018
50. ## American National Government

Can someone help me with these two questions? What are the Constitutional powers given to the House of Representatives? My answer is: 1. Revenue- raising bills must orginate. 2. Has the sole power of impeachment. 3. Elect president in electoral college

asked by B.B. on October 28, 2009
51. ## SPANISH

last one CHOOSE THE CORECT INFINITIVE FORM SENTENCES ABOUT WHAT THESE PEOPLE ARE DOING RIGHT NOW. MODELO BO/ (COMPRAR, ESUCHAR) UNAS BOTAS = BO ESTA COMPRANDO UNAS BOTAS 1. MARILU / (CANTAR, BUSCAR) /UNAS SANDALIAS Y UNA CAMISETA PARA EL PICNIC ANSWER:

asked by sam on November 8, 2007
52. ## AP Algebra

A man's average speed is 4.86 miles per hour. Express this in cm/sec .*dimensional analysis* .. the teacher answer is "217.32 cm/sec" however mine came out to be "217.26" My work: (4.86m/hr)(5280ft/1m)(12in/1ft)(2.54cm/1in)(1hr/3600sec) = 217.26cm/sec Why

asked by Karen on September 1, 2015
53. ## Social studies

15.which of the following best describes the legacy of the crusades? A.muslim nations in the middle east experienced a renaissance. B.western europe experienced dark age C.it created resentment between christian and muslim nations. (MY ANSWER) D.christian

asked by LOVE on March 29, 2016
54. ## Chemistry

Standard entropies for substances are defined at a pressure of exactly 1 bar or exactly 1 atm in different books. For gases, this correction factor would be..... in J/molK? Answer is in format 0.xxxxxx I'm a little confused... I'd appreciate any help. 1

asked by Jennifer on April 3, 2007
55. ## physics

An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that a person inside is stuck to the wall and does not slide down when the floor drops away. The acceleration of gravity is 9.8 m/s2 .Given g = 9.8 m/s2, the

asked by andres on October 14, 2013
56. ## Math

Evaluate a Quadratic Function Given an Output Here you will find the input for a quadratic function when the output is given. Check Your Understanding 1. A ball is drop from the top of a building. The height, h, of the ball above ground after t seconds can

asked by IDontKnow on October 11, 2016
57. ## English!

What type of company information can be found on the business library databases? Answer (a) Full-text articles on Canadian companies from newspapers, magazines and journals. (b) Full-text articles on Canadian companies from newspapers, magazine and

asked by *Thara* on February 3, 2010
58. ## history

I have to do a paper on the railroad strike of 1877, but I find that there is too many websites. My teacher does not want us to use Wikipedia since the information changes too much. I have looked at all of them, but cannot find a good one. We have to

asked by Nancy on March 31, 2010
59. ## statistics

Assume that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p. Use the given values of n and p to find the mean μ and standard deviation σ. Also, use the range rule of thumb to find the minimum

asked by slomomo on February 18, 2015
60. ## Algebra help

I need some help I posted the first question to this a bit ago but didn't enter it correctly so sorry to those who helped! I also have a 2nd half which I understood till they added the dividing part. I need to find the first five terms of each recursive

asked by John on April 1, 2013
61. ## CALCULUS

The region R is bounded by the x-axis, y-axis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the x-axis. C. The solid formed in part B is divided into two solids of

asked by Anon on April 29, 2014
62. ## CALCULUS HELP PLZ

The region R is bounded by the x-axis, y-axis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the x-axis. C. The solid formed in part B is divided into two solids of

asked by Anon on April 29, 2014
63. ## Calculus

If an arrow is shot straight up from the surface of the moon with an initial velocity of 100 ft/s, its height in feet after t second is given by s(t)=(100t)−(83/100)(t^2). Use the limit definition of the derivative to find the answers to the following

asked by Linda on June 8, 2013
64. ## Stats-Probability

Would really urgently appreciate answers to these questions. Thanks. 3. Suppose that two lotteries each have n possible numbers and the same payoff. In terms of expected gain, is it better to buy two tickets from one of the lotteries or one from each? 4. A

asked by Johnny on July 13, 2006
65. ## CRT 205

• Read the article “Controlling Irrational Fears After 9/11” on pp. 456–458 of Appendix 1. • Identify at least two arguments in the article. Outline the premises and conclusions of each argument you find. Then, answer the following questions for

asked by Anonymous on October 18, 2009
66. ## Physics

Sam pushes crates starting form rest across the floor of his classroom for 3 s with a net force as shown above. For each crate, rank the following from greatest to least: A 100N/30kg, B 75N/20kg C 50N/10kg 1. Impulse delivered 2. Change in momentum 3.

asked by Kay on November 12, 2014

a rectangular swimming pool has a perimeter of 24 feet. what should the dimesions of the pool be to create a maximum area? what would this area be? If x is the one side's dimension, the adjacent side's dimension is 12 - x. (That makes the perimeter 24).

asked by brittany on November 29, 2006
68. ## math

We fire a missile from ground level at 1750 ft/sec. at launch angle of 10 degrees. h(t) =-16t^2 + vot +h a. find a function for height as a function b. find a function for distance from launch point as a function of time. c. when will the missile reach max

asked by jc on June 21, 2015
69. ## english

what is the role of rhetoric in influencing people's attitudes and beleifs? Thank you for using the Jiskha Homework Help Forum. Let me quote from the volunteer that answered one of your questions already. She wrote this answer for someone else on October

asked by Frank on December 19, 2006
70. ## Stats 330- HELP

I need some help on this question it has two parts but i can't figure it out. Can someone help me. The NDSU library checks out an average of 320 books per day, with a standard deviation of 75 books. Suppose a simple random sample of 30 days is selected for

asked by John on March 10, 2011
71. ## Chemistry

Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 9 psi (vs. 14.7 psi at sea level). Under those

asked by Student on March 11, 2016

What are some internal human elements that may force an organization to change? Please note that we don't do students' homework for them. Once you have posted what YOU think answers might be, someone here will be able to critique your thinking. =) Stress

asked by Ms Brown on May 4, 2007
73. ## Physics

Two students are on a balcony a distance h above the S street. One student throws a ball vertically downward at a speed vi ; at the same time, the other student throws a ball vertically upward at the same speed. Answer the following symbolically in terms

asked by Anonymous on March 31, 2016
74. ## Chemistry

Fill in the blanks with a, b, c, or d. THE ANSWER THEN IS A. When comparing the strength of bonds between molecules, Ionic bonds have _______ bonds, and molecular bonds have _____ bonds? a. very strong, weaker b. weak, strong c. strong, very strong d.

asked by Mickeyv on July 8, 2008
75. ## Algebra 1b help

Which of the following statements are true? There is more than one correct answer choice. Select all correct answer choices. A)All monomials are polynomials. B)All polynomials have at least one monomial as a term. C)All binomials are polynomials. D)All the

asked by Rylee on December 5, 2017
76. ## Comp. question

I asked this question today needing input. Some thought I was right. Just needing someone else to give their advice. A __________ is an integral part of the computer hardware,which connects the processor to the hardware. 1 hard drive 2 CPU 3 byte 4

asked by Shannon on June 12, 2007
77. ## astronomy

Imagine that you live in a distant galaxy far far away. This galaxy is in a different universe, and so may have different cosmology. It seems that in this distant universe, all galaxies have the same luminosity, which you have worked out is 7.0*10^30 W.

asked by keitanako on April 11, 2014
78. ## math

If plane A took off in Chicago at 4:00pm and went 326mph the whole time, on it's way to Hartford,and plane B took off in Hartford at 4:00pm, and went 365mph the whole time, on it's way to Chicago, at what mile and over what state would they cross paths? To

asked by Emily on September 21, 2006
79. ## Math

In a class of 83 students, 72 are present. What percentage of the students are absent? Provide answer up to two significant digits. a. 12 b. 13 c. 14 d. 15 What I did is I subtracted both 83 and 72 which is 11 and I put it as proportions. I put x as a

asked by Bella on October 6, 2017
80. ## Physics

A ball acquires a horizontal speed of 12m/sec when a force is applied for a distance of .50m. If the ball has a mass of 1.0kg what is the force applied? ANSWER: 144N....I'm not sure what formulas I'd apply. It takes a force of 109N to life a stone straight

81. ## Foundations of Behavior

Compare and Contrast these words, Structuralism, Functionalism and Behaviorism. Thanks! Hi there. Could you give a context for those three words? I understand them but context counts. What course is this for? Disregard Schwa I figured out the answers.

asked by candy on September 1, 2006
82. ## re- yr8

i need to write an essay about if jesus existed.it is similar to the one that someone asked for help about a few weeks ago. the question im stuck on is i need to ask questions about that jesus did exist and answer them. the question i have come up with is

asked by starr on October 11, 2008
83. ## college physics

The electrons that produce the picture in a TV set are accelerated by a very large electric force as they pass through a small region in the neck of the picture tube. This region is 1.4 cm in length, and the electrons enter with a speed of 1× 105 m/s and

asked by Ace on September 16, 2008
84. ## Physics

The electrons that produce the picture in a TV set are accelerated by a very large electric force as they pass through a small region in the neck of the picture tube. This region is 1 cm in length, and the electrons enter with a speed of 1 × 105 m/s and

asked by Jessy on September 29, 2014
85. ## chemistry

Assignment 1 Question Consider a monohydrogen phosphate ( HPO42-) and dihydrogen phosphate (H2PO4-) buffer solution. [HPO42-] = 0.063M [H2PO4-] = 0.10M What happens when you add 1.0 ml of 0.10 M HCl to the a 99ml solution? What would the pH of the solution

asked by anonymous on January 26, 2013
86. ## help!!!Urgent english

I have a question.If you have employment,are you looking for work? Pleaase answer quicky........It is due on 22/06/05. Sandy You can have employment but still be looking for another job or advancement in the same area. On the other hand, you can be

asked by Sandy Tang on June 20, 2005
87. ## Physical science b

The mass of ball A is 10kg and the mass of ball B is 5kg. If the initial velocity is set to 3 meters per sec for each ball, what is the final velocity of ball B if the final velocity of ball A is 2 meters per second? Use the elastic collision equation to

asked by Anonymous on January 21, 2018
88. ## Physics

The mass of ball A is 10kg and the mass of ball B is 5kg. If the initial velocity is set to 3 meters per sec for each ball, what is the final velocity of ball B if the final velocity of ball A is 2 meters per second? Use the elastic collision equation to

asked by Anonymous on January 21, 2018
89. ## Physics

Please help me with this!! I am really confused about it... 1. A 75 kg. man steps off the end of a diving board, and hits the water at 7.7 m/s. Ignoring air resistance, what was the mans PE (potential energy) right before he stepped off the diving board?

asked by Becca on February 29, 2016
90. ## Physics

On the map, let the +x-axis point east and the +y-axis north. A)An airplane flies at 990 km/h northwestward direction (i.e., midway between north and west). Find the components of its velocity. B)Repeat for the case when the plane flies due south at the

asked by Anonymous on January 29, 2017
91. ## Algebra

I'm not quite sure about these problems. I know how to do them, but it seems that I get the wrong answer. Maybe I'm supposed to get 'no solution' but I'm not sure. Could someone please help me with them? 5|6-5x|=15x-35 2|3x-7|=10x-8 1/4|4x+7|=8x+16 Ok for

asked by Maria on September 14, 2006
92. ## math problem

asked by Lavern on November 21, 2011
93. ## geometry/trig

Initially a fifty foot ladder rests against a wall. As I start to climb it, the ladder slides down, finally stopping such that the ladder touches the wall at a point 8 feet below where it originally touched the wall. During the slide, the base of the

asked by eman on April 15, 2015
94. ## Chemistry

A solution is made by mixing 30.0 mL of ethanol, C2H6O, and 70.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? I got an answer of 15.45 torr and it marked me incorrect and said "Your answer is the the partial

asked by Lauren on February 18, 2012
95. ## math, economics, game theory

Two people have 10 dollars to divide between themselves. they use the following procedure. each person names a number of dollars (nonnegative integer), at most equal to 10. IF the sum of the amounts that the people name exceeds 10 and the amounts named are

asked by eric on September 10, 2007
96. ## physics

An airplane flies 200 km due west from city A to city B and then 280 km in the direction of 30.5° north of west from city B to city C. (a) In straight-line distance, how far is city C from city A? (b) Relative to city A, in what direction is city C? The

asked by Elisa on June 2, 2008
97. ## pre-calc

A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 53°F (a) If the temperature of the turkey is 150°F after half an hour, what is its temperature after 45 min? (Round

98. ## physics

A 5 kg object moving with a speed of 6.6 m/s collides with an 18 kg object moving with a velocity of 8.4 m/s in a direction 19 degrees from the initial direction of the motion of the 5 kg object. What is the speed of the two objects after collision if they

asked by hayden on December 14, 2014
99. ## Geometry

Hey! Thanks for checking my question out! ____ 1. R , S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m∠R = 60, m∠S = 80, m∠F = 60, m∠D = 40, RS = 4, and EF = 4. Are the two triangles congruent? If yes,

asked by Da Fash on November 8, 2017
100. ## Math

Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1 or 1. Randomly picking a red card from a standard deck of cards. I know that there are 52 cards

asked by Patrick on March 27, 2018