1. crt 205

    Final Project: Comprehensive Argument Analysis The Opposing Viewpoints Resource Center database at the University Library provides a wealth of arguments to which you can apply your critical thinking skills. Find this database by logging into to the Library

    asked by tiffany on August 9, 2009
  2. Physics

    A golfer hits a shot to a green that is elevated 3.10 m above the point where the ball is struck. The ball leaves the club at a speed of 19.4 m/s at an angle of 33.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Tami on October 17, 2014
  3. Test tomm. Need help *Urgent*

    Sorry for posting so many topics, but I really need help on this stuff. I recently lost my work I did on a separate sheet from 2 weeks ago, and now I can't seem to find the answer again. a fair six-sided die is tossed seven times in a row. A) What is the

    asked by Tom on May 21, 2008
  4. physics HELPP!!!!!!!

    A 6.00 kg mass is connected by a light cord to a 1.00 kg mass on a smooth surface as shown in the figure. The pulley rotates about a frictionless axle and has a moment of inertia of 0.400 k∙m2 and a radius of 0.700 m. Assuming that the cord does not slip

    asked by anon on November 14, 2012
  5. math

    Directions: Your shopping list for this week consists of six items that are available at two different grocery stores and are featured in their weekly ads. You want to do some comparison shopping and find the best price for each item. You will analyze the

    asked by Peanut on May 17, 2017
  6. Please Help!!!!!!

    Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, explain your reasoning and use a graphical or

    asked by Anonymous on January 9, 2012
  7. Physics

    A baby elephant is stuck in a mud hole. To help pull it out,game keepers use a rope to apply force FA, as part(a) of the drawing shows. By itself, however, forceFA is insufficient. Therefore, two additionalforces FB and FC are applied, as in part (b)of the

    asked by Anonymous on August 31, 2012
  8. grammar

    I am supposed to find the infinitive phrases in sentences, then name them as subjects, direct objects, predicate nominatives, object of a prepositions, or appositives. thing is, i can barely remember what all of these mean, and whether infinitive phrases

    asked by not good at grammar on February 20, 2013
  9. Math

    What is surface area? A). The space on the outside of a 3-dimensional object. B). It measures the amount of something the covers a 3-dimensional object such as paint,wrapping paper,or fabric. C). Can be calculated by adding the areas of the individual

    asked by Lint?! on April 3, 2019
  10. Aed

    I know i posted this but i need to do it again cause I can not find anything online for this... PLEASE HELP ME!! I also need to describethe books and say how i would teach it and what grade level..... Need it ASAP please Post 350- to 500-word response to

    asked by troyer0269 on February 17, 2009
  11. Physics

    A mover has to move a heavy sofa of mass 49.0 kg to the second floor of the house. As he pulls on the rope tied to the sofa, he makes sure that the rope is parallel to the surface of the ramp, which is at 30.0° to the horizontal. If the coefficient of

    asked by Madison on September 24, 2015
  12. physics

    A projectile is fired with muzzle velocity v uphill over ground that slopes at an angle α to the horizontal. If the angle of projection is θ to the horizontal: i) show that the horizontal range is x = 2v2 (cos θ sin θ − cos2 θ tan α) /g ii) find

    asked by 12345 on October 12, 2014
  13. Math

    I am trying to help my son in Algebra, the only thing is that I have forgot some of these thing.He has a word problem I can not figure it out please help a mother help her 9th grader. Q- The polygons below are similar. Find the unknown side lengths if

    asked by Mary on November 13, 2007
  14. Probability.

    Sorry for posting so many topics, but I really need help on this stuff. I recently lost my work I did on a separate sheet from 2 weeks ago, and now I can't seem to find the answer again. a fair six-sided die is tossed seven times in a row. A) What is the

    asked by Tom on May 22, 2008
  15. Physics

    A race car starts from rest on a circular track of radius 507 m. The car's speed increases at the constant rate of 0.790 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following. (a) the speed of

    asked by Ed on November 30, 2009
  16. macro econ

    I need to find whether or not the company is making an optimal inout choice. largo publishing house uses 400 printers and 200 printers to produce books. A printers wage is 20. and the price of a printing press is 5000. the last printer added 20 books to

    asked by joy on December 6, 2009
  17. algebra

    Sam opened a savings account that accrues compound interest at a rate of 3% annually. Let P be the initial amount Sam deposited and let t be the number of years the account has been open. Write an equation to find A, the amount of money in the account

    asked by Chloe on July 10, 2018
  18. Math

    Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not

    asked by Harry on June 14, 2018
  19. Algebra

    Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not

    asked by Harry on June 14, 2018
  20. Physics

    A uniform solid sphere of mass M and radius R is rolling without sliding along a level plane with a speed v = 2.70 m/s when it encounters a ramp that is at an angle è = 20.4° above the horizontal. Find the maximum distance that the sphere travels up the

    asked by Donny on October 16, 2010
  21. physics

    An unsuspecting bird is coasting along in an easterly direction at 4.00 mph when a strong wind from the south imparts a constant acceleration of 0.300 m/s2. If the acceleration from the wind lasts for 2.70 s, find the magnitude, r, and direction, θ, of

    asked by Jordan on September 8, 2015
  22. Advanced Functions

    1. Find the following quantities by hand (except for the standard deviation) Check your results with your calculator: a. Minimum b. Lower Quartile c. Median d. Upper Quartile e. Maximum f. Range g. Mean h. Mode i. Standard deviation 2. Is the mean or

    asked by Anonymous on May 2, 2011
  23. calculus

    i understand optimization but im stuck on this problem.. mrs.day is building a new deck. she has 580 square feet to enclose. if one side is bounded by a wall, find the minimum cost to build the deck if one pair of opposite sides cost $12 per foot and

    asked by tiana on January 2, 2011
  24. Physics

    A 5kg object placed on a friction-less, horizontal table connected to a string that passes over a pulley and then is fastened to a hanging 9kg object. (A) Draw a free body diagram of both the objects. (B) The Coefficient of kinetic friction between the

    asked by Kampamba Nsofu on May 24, 2017
  25. math

    A friend of Seth’s who is a real estate developer needs to borrow $80,000 to finish development project. He is desperate for cash and offers Seth 18%, compounded monthly, for 2 ½ years. Find the future value of the loan using the future value liable.

    asked by Michael on February 29, 2016
  26. Physics

    A block of mass 0.4 kg rests on the inclined surface of a wedge of mass 1.7 kg. The wedge is acted upon by a horizontal force F~ and slides on a frictionless surface. The acceleration of gravity is 9.81 m/s2. If the coefficient of static friction between

    asked by Amanda and Leah on October 8, 2012
  27. physics

    A uniform solid sphere of mass M and radius R is rolling without sliding along a level plane with a speed v = 2.30 m/s when it encounters a ramp that is at an angle è = 27.6° above the horizontal. Find the maximum distance that the sphere travels up the

    asked by Anonymous on October 22, 2010
  28. physics

    A 60 kg worker pulls buckets of sand from height of 10 m using a pulley fixed to a wooden beam.While he is pulling a 20 kg bucket filled with sand he slips and falls down holding the rope.Assuming that the worker did not collide with bucket,find the

    asked by Diana on December 3, 2014
  29. physics

    a 20kg block is connested to a 30kg block by a string that passes over a frictionless pully. the 30kg block is connected to a spring that has niglible mass and a force constant of 250n/m.the 20kg block is pulled 20cm down the incline(40 degrees) and

    asked by sello on April 7, 2010
  30. Math

    Can someone please check my answers! 2. Find value of cos(255degrees)cos(105degrees) root3 - 2 / 4 3. cos(pi/12) - cos(5pi/12) Is it root3/4? 4. Use the appropriate sum-to-product formula to rewrite the expression sin6x - sin9x I don't really understand

    asked by mysterychicken on June 3, 2013
  31. please help calculus

    find the volume of the solid formed by revolving the region bounded by y=e^x, y=0, x=o and x=1 about the y axis by using the shell method, i got v=2*pi int(o to 1) (x)(e^x) dx and my teacher said the answer is e/2 but i keep getting a different answer Are

    asked by david on January 9, 2007
  32. Comm 100 college

    Which of the following statements is true concerning finding similarities? 1. An accurate way to assess similarities is to focus on appearance and clothing. 2.Once you find similarities, you can assume the other person will have similar views on most

    asked by Nicole on September 9, 2011
  33. physics

    a base ball player hits a home run and the ball lands in the left field seats 10m above the point at which the ball was hits. the ball lands with a velocity of 20m/s at angle of 30 degere below the horizontal.ignoring air reference find the initial

    asked by abebe on June 15, 2012
  34. Maths

    A ball is thrown vertically upwards at 3 m s-1 from 1m above ground level (I) write down the equation for the height of the ball above the ground after t seconds (while the ball is in the air). (II) use your answer to find the time it takes the ball to

    asked by Ed on November 17, 2016
  35. physics

    A 0.0150 kg, 2.09 m long wire is fixed at both ends and vibrates in its simplest mode under a tension of 214 N. When a tuning fork is placed near the wire, a beat frequency of 5.20 Hz is heard. What are the possible frequencies of the tuning fork? I solved

    asked by Anonymous on November 26, 2009
  36. Trigonometry law of cosine

    A plane is flying with an airspeed of 200 miles per hour and heading 150°. The wind currents are running at 30 miles per hour at 175° clockwise from due north. Use vectors to find the true course and ground speed of the plane. (Round your answers to the

    asked by NEED HELP ASAP on April 7, 2014
  37. Constutional Law

    I have two question i am having trouble with! 1.name and explain 3 elements that must be considered before drafting language to amend the U.S Constitution? I came up with: The action being taken The necessity of said action The intent of the amendment i

    asked by breeamberr on January 16, 2015
  38. Statistics / Math

    If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. non regular heavy total man 135 64 5 204 women 187 21 9 217 total 322 85 14 421 Answer in decimal (round to

    asked by Sam on February 26, 2008
  39. math

    A Boeing 747 jet takes off from Boston's Logan Airport, which is at sea level, and climbs to a cruising altitude of 27,000 ft at a constant rate of 1400ft/min. A.) write a linear equation for the height of the plane in terms of the time after takeoff. B.)

    asked by kiley on March 15, 2010
  40. Physics

    A rocket is launched from rest and moves in a straight line at 42.5 ° above the horizontal with an acceleration of 62.5 m/s2. After 32.0 s of powered flight, the engines shut off and the rocket follows a parabolic path back to earth. Find the time of

    asked by Fabio on February 4, 2013
  41. physics

    Suppose the stone is thrown at an angle of 40.0° below the horizontal from the same building (h = 42.0m) as in the example above. If it strikes the ground 36.7 m away, find the following. (Hint: For part (a), use the equation for the x-displacement to

    asked by mike on May 20, 2016
  42. Chem.

    Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius. WHAT is the vapor pressure of ethanol at 18 degrees celcius?? Okay...I don't really get out to solve for it actually. ln (P2/760 torr)= -38560/8.3145 *

    asked by Joseph on February 10, 2010
  43. physics

    A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a

    asked by Anonymous on September 19, 2012
  44. ap physics

    I need some help with the following problems. I got no idea how to do it...PLEASE HELP!!!!THANKS A LOT!! A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. He

    asked by Zoe on March 22, 2008
  45. polymer chemistry

    A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics,

    asked by nick on May 5, 2010
  46. Chemistry

    A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics,

    asked by nick on May 6, 2010
  47. Chemistry

    Temperature Rate Constant 310 0.830 320 2.27 330 5.83 340 14.2 350 32.8 Use an Arrhenius plot to determine the frequency factor for the reaction. I know the equation to find the frequency factor is K= Ae^-Ea/RT but i am still getting the wrong answer. Do I

    asked by Tc on September 19, 2011
  48. Elementary statistics

    Nine apples, four of which are rotten, are in a refrigerator. Three apples are randomly selected without replacement. Let the random variable x represent the number chosen that are rotten. Construct a table describing the probability distribution, then

    asked by Rose Bud on February 29, 2012
  49. physics

    Suppose we wish to use a 4.0 m iron bar to lift a heavy object by using it as a lever. If we place the pivot point at a distance of 0.5 m from the end of the bar that is in contact with the load and we can exert a downward force of 640 N on the other end

    asked by lol on November 16, 2014
  50. physics

    4. An ice skater pulls three small children, one behind the other, with masses 25kg, 31 kg and 35kg. Assume that the ice is smooth enough to be considered frictionless, determine: a) the total force applied to the train of children if they reach a speed of

    asked by Sandy on October 24, 2010
  51. Physics

    As part of a daring rescue attempt, the Millennium Eagle coasts between a pair of twin asteroids, as shown in the figure below where d1 = 2.55 km and d2 = 1.28 km. The mass of the spaceship is 2.53 x10^7 kg and the mass of each asteroid is 3.70x10^11 kg.

    asked by A on October 21, 2016
  52. Analytic Geometry - Reflecting points over lines

    Let P = (5,1), and let Q be the reflection of P over the line y = 1/2x + 2. Find the coordinates of Q. I don't understand how to start? Should we draw perpendicular lines? Analytic Geometry - Reflecting points over lines - Steve, Monday, March 4, 2013 at

    asked by Knights on March 4, 2013
  53. statistics

    Refer to Table 1 in the article “Snail Shells in a Practical Application of Statistical Procedures” in the Electronic Reserve Readings. Find the margin of error, E, with a confidence interval of your choosing (50-99%). What is the significance of

    asked by len on April 26, 2012
  54. AP Physics

    While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 250 m east, 210 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance. I know I have to use

    asked by Annamaria on August 26, 2009
  55. physics

    The label on a soft drink states that 11 fl. oz (325 g) provides 285 kcal. The drink is cooled to 12.0°C before it is consumed. It then reaches body temperature of 37°C. Find the net energy content of the drink. (Hint: You can treat the soft drink as

    asked by Bruce on July 23, 2012
  56. English

    Can someone suggest any poems that somehow encapsulates the sentiments of Huckleberry Finn" by Mark Twain? I know of none, but one process you can use that MIGHT work is this: Go to http://www.quoteland.com and wander around until you find something that

    asked by Lillian on August 18, 2007
  57. Math

    A certain mountain has an elevation of 19,583 feet. In 1907, the glacier on this peak covered 10 acres.By 2002, this glacier had melted to only 1 acre. (a) Assume this glacier melted at a constant rate each year. Find this yearly rate. (b)Use your answer

    asked by Lori on August 1, 2012
  58. thermodynamics

    2. If a pump discharges 284 liters per minute of water whose density is 985 kg/m3 . Find (a) mass flow rate in kg/min; (b) the total time required to fill a vertical cylindrical tank 3.05 m in diameter, and 305 m high. Note: m = Q x ρ, where m= mass,

    asked by binjok on February 8, 2016
  59. Math

    This is your question number 2 for today, out of 5 allowed. Here's your question for category 'Probability-and-statistics'. 16 teams decided to participate in a football competition. In the preliminary round, the 16 teams will br divided into 4 groups and

    asked by Aina on October 9, 2016
  60. chemistry

    A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics,

    asked by nick on May 5, 2010
  61. College Chemistry

    A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics,

    asked by nick on May 6, 2010
  62. physics

    A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a

    asked by Anonymous on September 19, 2012
  63. Math

    A certain state taxes the first $400,000 in property value at a rate of 1%; all value over $400,000 is taxed at 1.75%. Find a piecewise-defined function T that specifies the total tax on a property valued at x dollars. (Simplify your answer completely.)

    asked by A on January 21, 2014
  64. chemistry -IMPORTANT-

    we have to make an instrctinal packet showin relationships between moles and concentration. i cant find the following 1)how is the number of moles dissolved in a set amount of solvent related to the molarity? 2)how to determine the amount of solvent in

    asked by lyne on February 12, 2009
  65. math

    the line y= o.15x+ 0.79 represents an estimate of the avgerage cost of gasoline for each year. The line 0.11x-y= -0.85 estimates the price of gasoline in Jan. of each yr. a) Do you expect the lines to be intersecting, parallel, or perpendicular? Explain

    asked by dawn on September 11, 2008
  66. Health/Fitness

    It is good to exercise so I thought to buy a exercise machine. What are the shops/stores in BOROUGH QUEENS where I can buy exercise machines? You can either look these places up in the Yellow Pages under Exercise Equipment - Retail or you can look them up

    asked by Kaveri on January 21, 2007
  67. Roosevelt and Hayashi

    Hi, Can any one tell me the relations between TR Roosevelt and Tadasu Hayashi? Were there any tensions between these too? I have been Googling for hours and I can not seem to find connections between the two. Thanks Hayashi was the Japanese foreign

    asked by Sarah on February 25, 2007
  68. com220

    need to find three sources for research paper about legalizing marijuana apa formatted the i need a answer for Practice note-taking techniques by quoting a source you plan to use for your research paper, summarizing a second source, and paraphrasing a

    asked by Axia on September 22, 2008
  69. Math

    Multiple Choice 1. Write the ratio in the simplest form. 45:15 (1 point) 9:3 3:1 1:3 4:1 2. Solve the following proportion. r over five equals nine over twenty-one (1 point) r = 2.14 r = 9 r = 11.66 r = 37.8 3. Sarah’s mother has a miniature village

    asked by Jameron :P on December 19, 2017
  70. Algebra

    ARE THESE CORRECT? Over the yrs, the O'Connell Company has been switching from typewriters to computers. At once time the company had 815 typewriters which were wearing out at a rate of about 60 per year. At the same time, they had 500 computers and were

    asked by River on March 19, 2007
  71. Statistics

    a score of 10 indicates severe depression, while a score of 0 indicates no depression. From reports, she is able to find out about past testing. Fourth graders at her school usually score 5 on the scale, but the variation is not known. Her sample of 20

    asked by anonymous on August 2, 2010
  72. Physics

    A Ferris wheel with radius 11.0 m rotates at a constant rate, completing one revolution every 33.9 s. Suppose the Ferris wheel begins to decelerate at the rate of 0.227 rad/s2 when a passenger is at the top of the wheel. Find the magnitude and direction

    asked by Jacob on November 18, 2011
  73. math/science

    How do I determine the isotonic state of a grape cell, the point at which no water would enter or gain a cell? I did an experiment including grapes in which I got these results (can someone post the link without the spaces?) h t t p : / / i 2 5 . t i n y

    asked by john on March 16, 2008
  74. Phsyics

    An 865 kg (1912 lb) dragster, starting from rest, attains a speed of 26.7 m/s (59.8 mph) in 0.59 s. (a) Find the average acceleration of the dragster during this time interval. m/s2 (b) What is the magnitude of the average net force on the dragster during

    asked by Lee Kite on October 3, 2007
  75. calculus

    A bucket that weighs 4 lb and a rope of negligible weight are used to draw water from a well that is 70 ft deep. The bucket is filled with 44 lb of water and is pulled up at a rate of 2 ft/s, but water leaks out of a hole in the bucket at a rate of 0.2

    asked by megan on March 15, 2017
  76. physics

    A small sperical insulator of mass 8.00X10^-2 kg and charge +0.600 mC is hung by a thin wire of negligible mass. A charge of -0.900 mC is held 0.150 m away from the spere and directly to the right of it, so the wire makes an angle [theta] with the

    asked by H on June 30, 2008
  77. statistics

    Use the given information to find the minimum sample size required to estimate an unknown population mean μ. How many commuters must be randomly selected to estimate the mean driving time of Chicago commuters? We want 99% confidence that the sample mean

    asked by Sarah on January 16, 2015
  78. algebra

    After 2009 2009 the sales of new cell phones without cameras began declining. The number of people y (in thousands) who bought a cell phone without a camera can be estimated by the equation y=−30x+270 y=-30x+270, where x is the number of years after 2009

    asked by Duran on April 19, 2016
  79. Physics

    A horizontal circular platform (m = 110.1 kg, r = 3.21m) rotates about a frictionless vertical axle. A student (m = 98.3kg) walks slowly from the rim of the platform toward the center. The angular velocity, omega, of the system is 3.9 rad/s when the

    asked by Emily on April 6, 2016
  80. physics

    A car travels due east with a speed of 35.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 40.0° with the vertical. Find the velocity of the rain

    asked by Michelle on January 24, 2010
  81. Physics

    This is about Elastic Springs.. so far I've answered every question. This is the only one I don't get. It's so confusing for me.. In the laboratory, you attach 300 g mass to a spring of negligible mass and start oscillating it. The elapsed time from when

    asked by Mr. Desperate on February 16, 2013
  82. Math (Trig)

    Suppose the point A is on a circle of radius 6 with an angle of 240 degrees. Find the value of the coordinates of this point. Round your results to 3 decimal places. So in this case, x=rcos(theta) y=rsin(theta) x=6cos(240) y=6sin(240) Rounding to 3 decimal

    asked by Giovanni on June 7, 2016
  83. algebra

    A leaky value on the water meter overcharge the residents for one gallon of water every 1 1/3 months.the overcharged amount w varies directly with time t find the equation that models this direct variation how many months it will take for the residents to

    asked by snow on March 4, 2014
  84. history

    In England in the 1700's, many poor people in rural areas left their farms and moved to cities in search of work. Yet life in cities was not easy, and jobs were very hard to find. from what you know about England in the 1700's, can you explain why so many

    asked by Marina on August 31, 2009
  85. pre-calc

    "An open gift box is to be made from a square piece of material by cutting 2 centimeter squares from each corner and turning up the sides. The volume of the finished gift box is to be 200 cubic centimeters. Find the size of the original piece of material."

    asked by kari on October 30, 2011
  86. Math

    Suppose you rent apartments in a large apartment complex. Currently there are 90 apartments being rented at a rent of $1300 per month. Evidence shows that for every increase of $25 per month in rent, there will be 1 additional unit unrented. (a) U is the

    asked by David on January 19, 2016
  87. college physics

    A stone with a mass of 0.800 is attached to one end of a string 0.800 long. The string will break if its tension exceeds 60.0 . The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find the

    asked by layla on March 28, 2009
  88. Calculus

    the population of deer in a certain area of cabarrus county grows proportional to itself. the population of deer in 2000 was found to be 45, and by 2008 the population had grown to 65. Find the growth constant k(rounded to 6 decimal places), and the

    asked by Ryan kustin on March 23, 2015
  89. physics please help me

    A 5.00 kg ball (ball 1), moving to the right at a velocity of +4.00 m/s on a frictionless table, collides head-on with a stationary 7.60 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision

    asked by dan on November 7, 2010
  90. physics

    A horizontal circular platform (m = 108.1 kg, r = 3.25m) rotates about a frictionless vertical axle. A student (m = 85.3kg) walks slowly from the rim of the platform toward the center. The angular velocity, omega, of the system is 2.5 rad/s when the

    asked by Jackie on March 8, 2012
  91. physics

    A horizontal circular platform (m = 122.1 kg, r = 3.43m) rotates about a frictionless vertical axle. A student (m = 82.3kg) walks slowly from the rim of the platform toward the center. The angular velocity, omega, of the system is 2.9 rad/s when the

    asked by taylor on October 25, 2016
  92. math

    From a base elevation of 6300 ft. a mountain peak rises to a summit elvation of 14366 ft. over a horizontal distance of 15844 ft. Find the grade of the peak. The grade of the peak is ?%I do not even know where to begin with this. Does the 6300 ft.get

    asked by barb on August 23, 2010
  93. Math

    Good evening. I have a hard math problem that I truly need some guidance on please. Li is making beaded necklaces. For each necklace she uses 23 spacers, plus 3 beads per inch of necklace length. Write an equation to find how many beads Li needs for each

    asked by Patrick on October 16, 2018
  94. Math

    Lincoln Middle school plans to collect more than 2,000 cans of food in a food drive.So far, 668 cans have been collected. Write an inequality to find numbers of cans the school can collect on each of the final 7 days of the drive to meet this goal.

    asked by Anonymous on February 20, 2016
  95. Physics

    High-speed stroboscopic photographs show that the head of a 197 g golf club is traveling at 36.8 m/s just before it strikes a 45.9 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 25.9 m/s. Find the speed

    asked by dallas on February 26, 2013
  96. Physics

    Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 10.0 cm that has a

    asked by Kelly on March 30, 2010
  97. Physics/Math

    A 1.50 kg snowball is fired from a cliff 12.5 m high with an initial velocity of 14.0 m/s, directed 41.0° above the horizontal. (a) Using energy techniques, rather than techniques of Chapter 4, find the speed of the snowball as it reaches the ground below

    asked by Technoboi11 on March 7, 2007
  98. Math

    Find the simple interest. Round your answer to the nearest cent. Principal = $900 Rate = 4% Time in years = 3 Is this correct: 900*0.04=36 36*3=108.00 Then my next question is when you round to the nearest unit is it the same as regular rounding. 335.42

    asked by Becky on May 29, 2010
  99. Physics 2

    Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30° above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg

    asked by David on March 4, 2016
  100. Algebra I

    A local gym charges nonmembers $8 per day to use the voleyball courts. Members pay a yearly fee of $150 and $2 per day to use the voleyball courts. Write and solve an equation to find how many days you must use the voleyball court to justify becoming a

    asked by katya on September 20, 2009

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