1. bio

    Find a media piece—article, video, presentation, song, or other—related to the scientific method, creating hypotheses, or designing experiments. Include the link or reference citation for the piece and describe how it helped you better understand how

    asked by Anonymous on July 25, 2011
  2. PHYSICS

    A 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 80 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest

    asked by JULIA on October 5, 2010
  3. Chemistry

    The half life of U238 is 4.5 x 10^9 yr. A sample of rock of 1.6 g produces 29 dis/sec. Assuming all radioactivity is due to U238 find percent by mass of U 238. I have tried ln(t)/ln(0)= -kt and still cannot get the answer What I get is A) 4.5x10^9

    asked by Nancy on September 22, 2013
  4. trigonometry

    the pilot in an airplane observes the angle of depression of a light directly below his line of sight to be 30.4 degrees. a minute later, its angle of depression is 43.0 degrees. if he is flying horizontally in a straight course at the rate of 150 mph,

    asked by rhinechilde on August 26, 2014
  5. economics

    Suppose the demand curve for a monopolist is QD = 500 − P, and the marginal revenue function is MR = 500 − 2Q. The monopolist has a constant marginal and average total cost of $50 per unit. a.Find the monopolist’s profit-maximizing output and

    asked by Em on October 17, 2013
  6. chemistry

    Determine the potential (V) by which a proton must be accelerated so as to assume a particle wavelength of 0.0293 nm. ---- This is what I did, dunno if right - wavelength in meters = 2.93*10^-11 m - used DeBroglie relation to find energy lambda = h / mv, v

    asked by Will on August 24, 2014
  7. physics

    A horizontal board weighing 227.0 N is supported at points A and B. The plank is 3.8 m in length, and points A and B are sawhorse supports a distance of D in from each end of the plank. The plank serves as a platform for a painter, who weighs 553.0 N. Find

    asked by Michael on April 27, 2010
  8. Math

    1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone? 2)A pyramid has a square base of side 12cm and a height of 15cm .Calculate its volume and total surface area?

    asked by Reshma on May 23, 2011
  9. statistics

    Suppose the method of tree ring dating gave the following dates A.D. for an archaeological excavation site. 1248 1187 1199 1236 1206 1241 1185 1288 1239 Find an 80% confidence interval for the mean of all tree ring dates from this archaeological site.

    asked by Anonymous on November 13, 2010
  10. math, HELP ME PLEASE!

    A polling company took 5 polls in the week before an election. It showed that a mayoral candidate would get 66%, 56%, 55%, and 63% of the voters. That candidate received 64% of the total votes during the actual election. Find the percent error in the

    asked by syram on March 21, 2013
  11. statistics

    in a sample of 1000 people ,113 are left handed.the results of the sample are shown in the table.find the probability that a randomly selected person is a left handed,given that she is a woman.

    asked by ron on October 4, 2011
  12. physics

    A 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 70 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest

    asked by Anonymous on July 19, 2010
  13. algebra

    Market research has shown that at a price of $230, 100 number of plasma TV’s are sold and if the price is reduced to $190, then 200 number of TV’s are sold. Find the equation that represents this demand curve and state in the form of p=mx+b (Slope

    asked by Crystal on December 19, 2010
  14. help meee

    A cylinder shaped can needs to be constructed to hold 200 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and bottom of the can need to be thicker, and costs 0.05 cents per

    asked by Sid on October 14, 2017
  15. Physics

    Could someone please help me with my homework problem... a) Give the equation for terminal speed in the variables from Stoke's Law, and the densities of the sphere Ps and the fluid P1. b) Find the viscosity of motor oil (in kg/m/s) in which a steel ball of

    asked by Meg on November 7, 2017
  16. psy

    Ms. Sue I need some data to help me discussed this question. How have you used the scientific process (unsystematic observation, building theories, and evaluating propositions) in your life to better understand your personality? Provide an example. I read

    asked by rose (Ms. sue) on October 17, 2008
  17. Calc

    I'm trying to write an equation for all the infinite values of the equation -i ln(2 + sqrt(3) ) people have told me that its pi(2n + 1) -i ln(2 + sqrt(3) ) I don't see how so I plug in numbers for n and don't get the same answer usign my calculator please

    asked by Kate on July 27, 2010
  18. physics

    A hiker begins a trip by first walking 25.0 km 45.0° south of east from her base camp.On the second day she walks 40.0 km in a direction 60.0° north of east, at which point she discovers a forest ranger’s tower.Find the magnitude of the displacement

    asked by jasmeen on December 3, 2015
  19. Math.. how to get linear function

    The total length y is a linear function of the tail length x with great accuracy. The domain is the interval from 30mm to 200mm, and the range is the interval from 200mm to 1400 mm. The following two points are given: X0= 60mm, Y0= 455mm, X1=140mm, Y1=

    asked by Jack on October 13, 2012
  20. Algebra 1

    Driving down a mountain, Tom finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundredth. slope= descent/horizontal change 1800 feet to

    asked by Julie on February 3, 2007
  21. Math

    1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' tubes.

    asked by Rana on December 7, 2013
  22. Physics

    A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0037 s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 2.7 102 ft/s,

    asked by Allie on October 4, 2011
  23. American Constitutional Law

    Is the federal government obligated to avoid denying persons the equal protection of the law? Why or why not? A. No, because the equal protection clause only applies to the states. B. Yes, because it's the right thing to do. C. No, because the federal

    asked by Pat on August 31, 2014
  24. Analytical Chemistry

    A solution is prepared by dissolving 0.2222 (¡¾0.0002) g of KIO3 in 50.00 (¡¾0.05) mL. (i) Calculate the molar mass of KIO3 with its associated uncertainty to the correct number of significant figures. (ii) Find the molarity and its uncertainty with an

    asked by Matt on February 27, 2017
  25. physics

    A motorcycle (mass of cycle plus rider = 3.0 102 kg) is traveling at a steady speed of 20 m/s. The force of air resistance acting on the cycle and rider is 1.8 102 N. Find the power necessary to sustain this speed under the following conditions. (a) the

    asked by joshua on October 26, 2010
  26. Finance

    Stormy Weather has no attractive investment opportunities. Its return on equity equals the discount rate, which is 10%. Its expected earnings this year are $2 per share. Find the stock price, P/E ratio, and growth rate of dividends for plowback ratios of

    asked by ted on February 10, 2016
  27. Math

    6.An aqaurium is 80cm long, 40cm wide, and 40cm high. What is its volume? I got 128,000cm3 One cubic centimeter (cm3) holds 1 milliliter of water. 1,000 cm3 hold 1 liter. How many mL will the tank in problem 6 hold? How many liters? How do I find out how

    asked by Jaycee on January 21, 2012
  28. algebra

    Suppose Paul kicks a soccer ball straight up into the air with an initial velocity of 96 feet per second. The function f(x) = -16t2 + 96t gives the height, in feet, of the soccer ball after t seconds.Show all work to find the axis of symmetry

    asked by sydney on August 7, 2015
  29. algebra2

    Sian and Daniel are researching information on earthquakes in the U.S. One of the largest was centered in San Francisco in 1906. It measured 7.8 on the richter scale. a. find the amount of engr. released by the earthquake. b. Sian says the amount of energy

    asked by amber on June 1, 2015
  30. Calculus

    The hypotenuse of a right triangle has one end at the origin and one end on the curve y=x^(7)e^(-7x) , with x greater than or equal to 0. One of the other two sides is on the x-axis, the other side is parallel to the y-axis. Find the maximum area of such a

    asked by George on October 21, 2008
  31. Business Communication

    Which of the following is the BEST advice for increasing the number of "hits" on a scannable resume? (a) Avoid jargon of any sort (b) Use a keyword section under your name, address, and phone (c) use more verbs than nouns (d) use only one page. After

    asked by Anonymous on April 20, 2009
  32. Physics

    A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 5.40 m/s at the

    asked by Shawn on November 1, 2014
  33. Art

    For this question it asks, what types of material changes were made in building Greek temples and what effect this had on the architectural world. In my book, It says how the earliest Greek temples were made of wood or brick, which later changed to marble

    asked by Bella on May 10, 2012
  34. Calculus

    'Find the volume of the solid generated by revolving the region bounded by x=16-y^2, x-axis, and y-axis around the x-axis.' I know in theory how to do it, but I'm a little confused by what constitutes the bounded region because it's a sideways parabola,

    asked by CodyL on January 8, 2018
  35. Physics

    A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 7.83 m/s at the

    asked by S on November 2, 2014
  36. math (algebra)

    Water boils at 212 degrees F at sea level (altitude 0 ft), 204.6 degrees F at 40000 ft, 197.2 deg. F at 8000 ft, and 189.8 deg. F at 12,000 ft. Find a good model relating the boiling temperature t of water to the altitude a.Is the model linear or

    asked by Layne on May 3, 2009
  37. Economics

    . Suppose the demand curve for a monopolist is QD =500 - P, and the marginal revenue function is MR =500 – 2Q. The monopolist has a constant marginal and average total cost of $50 per unit. a. Find the monopolist’s profit – maximizing output and

    asked by Michelle on August 23, 2012
  38. calculus

    Throughout the 20th century, the yearly consumption of electricity in the US increased exponentially at a continuous rate of 7% per year. Assume this trend continues and that the electrical energy consumed in 1900 was 1.4 million megawatt-hours. Find the

    asked by Cookie on January 19, 2012
  39. math

    Suppose that a market research company finds that at a price of p=$25, they would sell x= 53 tiles each month. If they lower the price to p=$15, then more people will purchase the tile, and they can expect to sell x = 63 tiles month’s time. Find the

    asked by Anonymous on November 27, 2010
  40. algebra

    Suppose a market research company finds that at a price of p=$25,they would sell x=56 tiles each month. If they lower the price to p=$20, then more people would purchase the tile, and they can expect to sell x=66 tiles in a month's time. Find the equation

    asked by rr on May 21, 2012
  41. Math algebra

    The radioactive decay of a substance is expressed by A=A^0 e^ -kt, where the initial amount A^0, decays to an amount A after t years. The positive constant k differs for each substance. Strontium 90 decays such that k=.028. Find out how much of 1,000 mg of

    asked by Emily on December 15, 2016
  42. physics

    A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 4.43 m/s at the

    asked by Anonymous on April 22, 2014
  43. physics

    A car's wheel of radius r=50cm goes through 5000rev in 1min. find the car's average angular velocity,and how far it travels along the ground in 1min. The linear speed v and angular speed w of the point of a rotating body are connected by the equation v=wr.

    asked by Sarah on March 10, 2015
  44. math

    The Connecticut River flows at a rate of 5 km / hour for the length of a popular scenic route. If a cruiser to travels 4 hours with the current to reach a drop-off point, but the return trip against the same current took 6 hours. Find the speed of the boat

    asked by duran on May 11, 2016
  45. microeconomics

    Given demand curve P=400-.05Q, at what price is total revenue maximized? There are a number of ways to do this problem. Let me use simple calculus. Total Revenue is P*Q=400Q-.05Q^2. Take the first derivitive wrt Q. MR=400-.1Q To maximize, find Q when

    asked by greg on May 1, 2007
  46. Algebra II

    Suppose a market research company finds that at a price of p = $20, they would sell x=42 tiles each month. If they lower the price to p = $10, them more people would purchase the tile, and they can expect to sell x = 52 tiles in a month's time. Find the

    asked by Nancy on January 13, 2011
  47. Dynamics of Rigid Bodies

    A 40 lb missile moves with a velocity of 150 ft/sec. It is intercepted by a laser beam which causes it to explode into two fragments A and B which weigh 25 lb and 15 lb, respectively. If the fragments A and B travel 45 degrees counter-clockwise from

    asked by Anonymous on April 10, 2013
  48. Math Help!

    1.) Solve the system by graphing. You may use paper or a calculator. 2x - y = 8 x + 3y = 11 2.) The revenue for a certain brand of toothpaste is y = 2.5x where 'x' is the number of tubes of toothpaste sold and 'y' is the total income for selling 'x' tubes.

    asked by Rana on December 7, 2013
  49. Maths

    A swimming pool is being emptied and the amount of water remaining in the pool after t minutes after emoting commences is given by: Time t (min) Volume V (L) 0 30000 20 28800 40 25200 60 19200 80 10800 Find the equation describing the volume of water

    asked by Amelia on October 30, 2016
  50. Physics

    Due to friction with the air, an airplane has acquired a net charge of 1.70 10-5 C. The plane moves with a speed of 3.15 102 m/s at an angle with respect to the earth's magnetic field, the magnitude of which is 5.00 10-5 T. The magnetic force on the

    asked by Mary on September 27, 2007
  51. Physics

    An airplane is flying in a horizontal circle at a speed of 482 km⁄h. The wings of the plane are tilted at 38.2° with respect to the horizontal as shown in the figure below. Find the radius of the circle in which the plane is flying. Assume that the

    asked by Chrxeyshthoufov on February 23, 2014
  52. math

    There is a diagram of a running track. The track is made up of two straights and two semicircles. The radius of each semicircle is 35 meters. The length of the outer perimeter of the entire running track is 400 meters. Find the length of one of the

    asked by Melanie on May 19, 2016
  53. Language Arts

    How do I find out what a block style letter, and what a semi-block style letter is, and how do I see a picture of it? Here are some good illustrations and explanations: http://englishplus.com/grammar/00000150.htm

    asked by Jolena on April 16, 2007
  54. Calculus

    A fence is to be built to enclose a rectangular area of 280 square feet. The fence along three sides is to be made of material that costs 6 dollars per foot, and the material for the fourth side costs 15 dollars per foot. Find the length L and width W

    asked by Z32 on November 2, 2009
  55. trig length

    To secure a 610-meter radio tower against high winds, guy wires are attached to a ring on the tower. The ring is 7 meters from the top. The wires form a 69o angle with the ground. To the nearest hundredth meter find the length of the guy wire

    asked by Anonymous on May 27, 2014
  56. geometry

    measure of angle ABC=4x-12 measure of angle ABX=24 BX bisects ABC solve for X and find the measure of angle ABC **page 48 # 11 of prentice hall,california geometry**

    asked by Terry on September 27, 2011
  57. Math

    the air pressure of hurricane katrina at landfall was greater than 17 millibars plus the air pressure p before landfall. write and solve an inequality to find the air pressure of the storm before landfall

    asked by Angelina on March 9, 2015
  58. geometry

    measure of angle ABC=4x-12 measure of angle ABX=24 BX bisects ABC solve for X and find the measure of angle ABC **page 48 # 11 of prentice hall,california geometry**

    asked by Terry on September 27, 2011
  59. math

    A shopkeeper sells a mattress and makes a profit of 10% on the cost price. If he had sold the mattress for $150 less,he would have incurred a loss of 40% on the cost price. Find the cost price of the mattress.

    asked by Anonymous on April 12, 2014
  60. Physics(Please respond)

    1)A 1180-kg van, stopped at a traffic light, is hit directly in the rear by a 753-kg car traveling with a velocity of +1.81 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

    asked by Hannah on June 3, 2012
  61. Math

    A small country consists of seven states; there are 189 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown, State A: 1283 State B: 2374 State C: 2725 State D: 2155 State E: 1592 State F:

    asked by Catherine on March 26, 2017
  62. Physics

    A 68-kg fisherman in a 136-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.0 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the

    asked by Div on February 10, 2019
  63. Physics(Please help)

    1)A 1180-kg van, stopped at a traffic light, is hit directly in the rear by a 753-kg car traveling with a velocity of +1.81 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

    asked by Hannah on June 3, 2012
  64. physics

    A uniform magnetic field is establish perpendicular to the plane of a loopof radius 14cm.Resistance 40ohmn, and negligible self-induce.The magnitude of the field increase at a rate of 400mT/s. (i)Find the induce emf in the loop (ii)the induced current in

    asked by Christopher livinda on April 20, 2016
  65. 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
  66. Math

    A carnival Ferris wheel with a radius of 7 m makes one complete revolution every 16s. The bottom of the wheel is 1.5 m above the ground. Find the amplitude, vertical shift, phase shift and k value and period. Do all calculations and then make your final

    asked by Krystien on March 25, 2013
  67. Statistics

    A recent study of US children under 11 years old found that they spend on average 142 minutes a day watching tv. Assuming normal distribution with the standard deviation of 44 minutes, answer the following. A) what percent of children of this age spends

    asked by Junior on November 30, 2014
  68. physical science

    Write a brief essay on the topic of volcanic activity and climate change. Consider such questions as whether there is there a link between volcanic eruption and climate change and what the relationship between the two may be. Research and find a minimum of

    asked by Jackie on January 11, 2012
  69. Physics

    In a certain amusement-park ride, riders stand with their backs against the wall of a spinning vertical cylinder. The floor falls away and the riders are held up by friction. If the radius of the cylinder is 4.2 m, find the minimum number of revolutions

    asked by Anonymous on February 11, 2014
  70. Maths

    Students were timed as they attempted to perform a simple test of dexterity. The incomplete data of results is shown below. Find x, if the mean time taken was 16 seconds. Time Taken (s) Frequency (0 - 10) 20 (10 - 20) 50 (20 - 30) x My equation: 850x + 25x

    asked by Stoof on March 2, 2016
  71. Physics

    Here's the question: A 55 kg swimmer is standing on a stationary 235 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +4.3 m/s relative to the shore. Find the recoil velocity that the raft would have if there were no

    asked by Christina on December 10, 2012
  72. physic

    A 1019kg shark is supported by an 85kg rope attached to a 4.00-m rod that can pivot at the base. (a) Calculate the tension in the cable between the rod and the wall, assuming that the cable is holding the system in the position shown in Figure below. Find

    asked by miran on June 11, 2015
  73. Physic please check

    A piece of copper wire has a resistance per unit length of 6.50 10-3 /m. The wire is wound into a thin, flat coil of many turns that has a radius of 0.170 m. The ends of the wire are connected to a 12.0 V battery. Find the magnetic field strength at the

    asked by Mary on November 5, 2007
  74. Calculus

    A trough is 3 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of x^2 from -1 to 1 . The trough is full of water. Find the amount of work required to empty the trough by pumping the water over

    asked by Ryan on September 29, 2012
  75. Chemistry

    Using the reaction and the E∘ given below 2Co^3+(aq)+2Cl^−(aq)→2Co^2+(aq)+Cl2(g) E∘=0.46 V what is the cell potential at 25 ∘C if the concentration are [Co^3+]= 0.565M , [Co^2+]= 0.554M , and [Cl^−]= 0.838M and the pressure of Cl2 is PCl2=

    asked by Aria on June 21, 2013
  76. physics

    A 1180 kg car and 4720 kg truck undergo a perfectly inelastic collision. Before the collision, the car was traveling southward at 1.45 m/s , and the truck westward at 8.80 m/s. Find the velocity of the wreckage immediately after the collision. Enter the x

    asked by lizbeth on February 16, 2016
  77. physics

    Consider a carwith front cross-sectional area of A=(1.77 ± 0.02)m^2 and a drag coefficient of C=(0.38±-0.02) moving with a speed of v=(10.0±0.5)m/s. Suppose that the density of air is p=1.20 kg/m^3 at the sea level. 1.Calculate the force F=(1/2)CApv^2

    asked by NONEE on September 26, 2015
  78. B -tech

    Fig. Shows a brake shoe applied to a drum by a lever ab which is pivoted at a fixed point a and rigidly fixed to the shoe. The radius of the drum is 160mm. The coefficient of friction at the brake lining is 0.3. If the drum rotates clockwise, find the

    asked by R Ramesh on January 7, 2013
  79. Physics

    A steam engine's boiler completely converts 155 kg of water to steam. This process involves the transfer of 3.5 x 10^8 J by heat. If steam escaping a safety valve does 1.76 x 10^8 J of work against the outside atmosphere, what is the net internal energy of

    asked by Lindsay on March 26, 2008
  80. Lang arts

    Find predicate adjective & participle in sentence 10. While others tried new approaches, she remained faithful to the traditional methods. ANS: PA = new, 11. Pavlova achieved great success in several celebrated tours Ans: Part = great & several 12. Her

    asked by need help on June 2, 2014
  81. Math

    All 500 students at Robinson Junior High were surveyed to find their favorite sport. How many more students played football than basketball? Soccer has 10% Basketball has 27% Baseball has 25% Football has 38% A.325 students B. 135 students C. 190 students

    asked by Please help me? on March 21, 2017
  82. AC circuits

    _____R____________ | | | |+ | XC E1 XL | |- | |+ | | E2 ___________________- Z1 = R= 4 ohms

    asked by TJ on December 6, 2015
  83. LA

    In "All Together Now," Jordan uses appeals to emotion and appeals to reason to try to persuade her readers that her views are important. In a paragraph, cite one example of each kind of appeal in her work. Then, explain whether you find Jordan's appeals

    asked by Wishwash on November 13, 2017
  84. English

    Which of the following sentences contains a verb in the subjunctive mood? A:All me to introduce myself B:If water reaches 32 degrees, it turns to ice. C:I wish you had more confidence in yourself*** Which of the following sentences contains a verb in the

    asked by Anonymous on January 20, 2018
  85. Physics

    A capacitor of capacitance C= 10mF, is charged using a battery of potential V, through a resistor of resistance R = 250 ohms. the charge of the capacitor is given by Q(t)=CV[1− e ^ (−t/RC)] Find an expression for the current passing through the

    asked by drwales on March 21, 2010
  86. Physics

    A 9.00 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 0.300 k∙m2 and a radius of 0.500 m. Assuming that the cord does not slip

    asked by Kayla on November 6, 2012
  87. Math

    The question is: Determine the surface area and volume of this cylinder, correct to one decimal point. The cylinder has a radius of 4 inches and the height is 3 yards. This site explains how to find the surface area and volume of a cylinder.

    asked by Robin on June 15, 2006
  88. Physics

    Dumping sealed containers from ship decks that are 2 meters above the water surface. With a final depth of 100 meters. Find the final velocity of the container on impact. 1. Container in the shape of right circular cylinders, containers of .5 meters

    asked by Christopher on October 31, 2010
  89. SCIENCE

    Use the image to answer question 25. What is happening in the diagram? (5 points) It is a picture with a boat sailing on the water with sound waves going down to an old and sunken ship but the waves then go back up to the boat in a different angle. I don't

    asked by Quacamole on March 27, 2018
  90. home inspection

    Which of the following is the main purpose of home inspection societies and professional associations? A.To license and regulate home inspectors B.To "self-regulate" the home inspection industry C.To certify people starting out in the home inspection

    asked by sib on August 24, 2010
  91. Chemistry

    My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are connected by delocalized double bonds which make them

    asked by Megan on February 10, 2008
  92. Chemistry

    My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are connected by delocalized double bonds which make them

    asked by Megan on February 10, 2008
  93. Physics

    A man pushes a 200N box of books in a ramp by pushing horizontally on it as shown. The coefficent of kinetic friction is 0.30. What force must be exert to make the box move with constant speed? Suppose M is greater than 0.3; show that if exceeds a certain

    asked by Mudjhang on June 24, 2019
  94. Chemistry

    How can i rearrange this Clausius-Clapeyron equation so that 1/T2 is on one side? In P2/P1=delta H vaporization/R (1/T2- 1/T1) I am trying to find at At what temperature does acetone have Pvap= 111 mm Hg. Acetone, a common laboratory solvent, has Delta H

    asked by Sar on August 23, 2010
  95. Statistics

    Suppose a certain species bird has an average weight ofx=3.55 grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with 0=0.37 grams. For a small group of 15 birds, find the margin of error for a 70%

    asked by Jacob on June 17, 2010
  96. HARD CHEM QUESTION- any help appreciated

    Phosgene (COCl2) is a poisonous gas that dissociates at high temperature into two other poisonous gases, carbon monoxide and chlorine with equilibrium constant Kp = 0.0041 at 600 K. Find the equilibrium composition of the system after 0.124 atm of COCl2 is

    asked by scilover on May 13, 2013
  97. PHYSICS PLEASE HELP BILLY!!! there are about thr

    A 10.2 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 123.0 N parallel to the incline, which makes an angle of 14.6◦ with the horizontal. The coecient of kinetic friction is 0.39 and the crate is pulled a

    asked by billy on October 13, 2008
  98. 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
  99. Calc

    Three students have ordered a 14 inch diameter pizza. They slice it with 2 parallel cuts, giving them 3 pieces with equal area. The two cuts are equidistant from the center of the pizza. Find the horizontal distance between one cut and the center of the

    asked by Danielle on November 23, 2014
  100. physics

    A race car starts from rest on a circular track. The car increases its speed at a constant rate at as it goes 2.75 times around the track. Find the angle that the total acceleration of the car makes with the radius connecting the center of the track and

    asked by eric on February 18, 2011

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