1. gammar

    There is a tube overlying the pelvis in the midline, degenerative changes are also noted in the lumbosacral spine. A. fragment B. run-on C. comma splice D. complete sentence

    asked by kerston on December 4, 2015
  2. Grammar

    There is a tube overlying the pelvis in the midline, degenerative changes are also noted in the lumbosacral spine. fragment run-on comma splice complete sentence Answer: comma splice (should be a word after the comma.) Thanks - appreciate the help.

    asked by Leslie on May 9, 2011
  3. Grammar

    Select the paragraph which is correctly punctuated: A) Extremely limited exam was performed in correlation with the recently performed MRI. Patient did not present with a full bladder, and therefore the pelvis was not evaluated in detail. Again noted is

    asked by Marie on December 12, 2012
  4. Chemistry!!!

    Use Le' Chatelier's Principle. a solution at equilibrium: BaCrO4(s) Ba^2+(aq)+ Cr)4^-(aq)recall: 2CrO4^2-(aq)+ 2H^+(aq) Cr2O7^2-(aq) +H20 2CrO4^2- yellow Cr2O7^2- orange Make predictions about colour changes or changes in the number of states a) To a

    asked by Sandra on March 5, 2009
  5. MEDICAL CODING

    Use the CPT, ICD-9-CM, and ICD-10-CM manuals to assign the appropriate procedure, modifier, and diagnosis codes to the following case scenario. Preoperative Diagnosis: Right Pneumothorax Postoperative Diagnosis: Same Procedure Performed: Placement of

    asked by MEHUL on March 22, 2015
  6. Biology- Amylase

    Hello, In our class, we are doing a hypothetical digestion of starch by amylase lab. I do not know where to begin with this following information. If I add Benedict's solution (which I know will change color when the presence of sugar is noted). After all

    asked by Nelson on November 4, 2007
  7. Math

    A cylindrical tube is open at both ends.the internal diameter tube 10.4cm and its length is 25cm. If the thickness of the tube 8mm everywhere,find the total surface of area of the tube.

    asked by Simon on February 5, 2013
  8. Cosine Math Question

    Graph a cosine function whose amplitude is 4, period is π , midline is y=−3 , and y-intercept is (0, 1) . The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point. I

    asked by Dennis on April 2, 2018
  9. Chemistry

    Suppose I put 1 billion bacteria in a 10 ml tube of saline, mix well, and label this tube A. Answer the following questions: 1. Take 1 ml from tube A and put it in an empty tube B. What is the concentration and number of bacteria in tube B?

    asked by Laura on November 27, 2012
  10. Chemistry

    Suppose I put 1 billion bacteria in a 10 ml tube of saline, mix well, and label this tube A. Answer the following questions: 1. Take 1 ml from tube A and put it in an empty tube B. What is the concentration and number of bacteria in tube B?

    asked by Laura on November 27, 2012
  11. Physics

    it didn't let me put the link to image.. A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×105 Pa. The density of water is 1000 kg/m3.

    asked by Chris on April 27, 2010
  12. physics

    In a machine, an ideal fluid with a density of 0.9*10^3 kg/m^3 and a pressure of 1.3*10^5 Pa flows at a velocity of 6.0 m/s through a level tube with a readius of 0.5 cm. This tube connects to a level tube that has a radius of 1.5 cm. How fast does the

    asked by Anonymous on May 11, 2007
  13. precalculus

    how to find the max and min of a sine function? For the maximum, do you do midline+ amplitude? For the midline- Amplitude? f(x)= 7cosx + 15 Max is 15+7=22 min is 15-7= 8

    asked by tom on December 5, 2017
  14. chemistry

    DATA TABLE 2: SPOT TESTS OF SUPERNATANT SAMPLES FROM REACTION TUBES Substance Added Tube 1 Ppt.? Tube 2 Ppt.? Tube 3 Ppt.? Tube 4 Ppt.? Tube 5 Ppt.? Tube 6 Ppt.? Pb(NO3)2 yes yes no no no no NaI no no no yes yes yes reagent present in excess How do I

    asked by BT on March 10, 2010
  15. Biology

    I'm doing a lab for gel electrophoresis and we added the digests in the wells of the agarose gel Lane 2 – λ Hind III (a standard) Lane 4 – Tube 1 Lane 5 – Tube 2 Lane 6 – Tube 3 Lane 7 – Tube 4 Now will DNA in tube 1 which only has dh20, 10x

    asked by Michelle on April 2, 2013
  16. nursing

    A patient had a cystectomy. What does the root of this word mean? A. Kidney B. Tube C. Bladder D. Meatus I chose C A pyelogram was performed on a 43-year-old patient. The root word means A. trough, basin, pelvis B. ureter, urethra C. bladder, urine D.

    asked by Mel on August 7, 2010
  17. serial dilutions

    label 5 tubes 1-5. Ad 1.50 ml of diluent to each tube. to the first tube, add 500 ul of 1.00 M glucose and mix. transfer 500 ul from the first tube to the second tube and mix. similarly, continue to transfer 500l from each of the remaining tubes to the

    asked by chidera on January 17, 2017
  18. Physics

    Suppose you used a 300 Hz tuning fork to produce resonant frequency in a tube whose diameter is 3.0 cm. At what length of the tube will you the resonant frequency if the air temperature inside the tube is 25 C. Assume that the tube is closed at one end.

    asked by BB on November 18, 2017
  19. PHYSICS

    A 33 cm-tall, 6 cm-diameter plastic tube has a sealed bottom. 266 g of lead pellets are poured into the bottom of the tube, whose mass is 45 g, then the tube is lowered into a liquid. The tube floats with 5 cm extending above the surface. What is the

    asked by Alexia on March 23, 2011
  20. Physics

    A constricted horizontal tube of radius r(1)=4.00 cm tapers to a tube of radius r(2)=2.50 cm. If water flows at speed 2.00 m/s in the larger tube, (a) find the speed of the water v(2) in the smaller tube. (b) Find the flow rate in this tube.

    asked by Lashawn on April 24, 2013
  21. chemistry

    Assume you are in a lab with a test tube of sulfuric acid. You drop a piece of calcium into the tube. What do you observe happening in the tube? thank you

    asked by roma on January 24, 2008
  22. maths

    the thickness of a metallic tube is 1 cm and the inner diameter of tube is 12 cm . Find the weight of 1 meter tube long, if the density of metal be 7.8 gram/cm^3

    asked by sona on November 16, 2010
  23. maths

    the thickness of a metallic tube is 1 cm and the inner diameter of tube is 12 cm . Find the weight of 1 meter tube long, if the density of metal be 7.8 gram/cm^3

    asked by sona on November 16, 2010
  24. trignometry

    suppose that the water level varies 70 inches between low tide at 8:.40 AM and high tide at 2:55PM .what he cosine function that models the variation in inches above and below the average water level as a function of the number of hours since 8:40AM .at

    asked by adiba on March 31, 2018
  25. Physics, URGENT!!!

    We consider tobacco virus diffusing along a 0.47 m long tube filled with water. The cross-sectional area of the tube is unknown. The diffusion coefficient is found in Table 10.5, p. 319 in the textbook. A total amount of virus of 2.6 x 10-16 kg is

    asked by Sydney on November 29, 2010
  26. Physics

    These are questions that follow a lab on resonance with tuning forks and a resonance tube in a water-filled graduated cylinder in part 1 (closed tube), and tuning forks with a sliding tube in part 2 (open tube). What are some applications of this study of

    asked by Mike on March 26, 2008
  27. Maths

    The thickness of a metallic tube is 1 cm and the inner diameter of the tube is 12 cm find the weight of 1 metre long tube is the density of the metal be 7.8 gram per centimetre cube

    asked by PRASHANT bhardwaj on November 29, 2017
  28. physics

    A uniform vertical glass tube open at the lower end and sealed at the lower end is lowered into sea water thus trappung the air int he tube . It is observed that when the tube is submerged to a depth 10 meters the sea water has entered the lower half of

    asked by emily on October 27, 2016
  29. HELLLLP Math

    A steel tube, which is closed at both ends, is filled with air. The air in the tube is vibrating at a frequency of 200·Hz. Use 340·m/s for the speed of sound in air. If the 200·Hz vibration respresents the fundamental standing wave for the tube, how

    asked by jen on December 8, 2011
  30. physics

    A U-shaped tube contains a fluid of density 1.5x10^3 kg/m^3. the right side of the tube is closed, with vacuum above the fluid. The left side of the tube is open to the atmosphere. Assume the atmospheric pressure outside the tube is exactly 10^5 Pa. a) How

    asked by Casey on December 9, 2012
  31. physics

    After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.7 m/s. Miranda runs after her at a velocity of +5.0 m/s and hops on the inner tube. How fast do the two of them slide across

    asked by tika on October 20, 2014
  32. Physics

    After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +3.4 m/s. Miranda runs after her at a velocity of +4.0 m/s and hops on the inner tube. How fast do the two of them slide across

    asked by BrookeNeed on October 27, 2016
  33. Collision in One Dimension

    After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.2 m/s. Miranda runs after her at a velocity of +4.5 m/s and hops on the inner tube. How fast do the two of them slide across

    asked by Angela on February 26, 2012
  34. physic

    After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +3.3 m/s. Miranda runs after her at a velocity of +4.8 m/s and hops on the inner tube. How fast do the two of them slide across

    asked by tcc on July 8, 2013
  35. physics

    After sliding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.8 m/s. Miranda runs after her at a velocity of +4.8 m/s and hops on the inner tube. How fast do the two of them slide across

    asked by Derek on June 30, 2013
  36. physics

    After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.5 m/s. Miranda runs after her at a velocity of +4.7 m/s and hops on the inner tube. How fast do the two of them slide across

    asked by Tyler on January 19, 2017
  37. Heat Transfer

    A hollow tube having an inside diameter of 2.5 cm and a wall thickness of 0.4 mm is exposed to an environment at h=100 W/m2¨¬C and T¡Ä =40¨¬C. What heat generation rate in the tube will produce a maximum tube temperature of 250¨¬C for k =24

    asked by Ritesh on March 4, 2014
  38. Heat Transfer

    A hollow tube having an inside diameter of 2.5 cm and a wall thickness of 0.4 mm is exposed to an environment at h=100 W/m2¨¬C and T¡Ä =40¨¬C. What heat generation rate in the tube will produce a maximum tube temperature of 250¨¬C for k =24

    asked by RHS on March 11, 2014
  39. physics

    We consider hemoglobin along a 0.29 m long tube filled with water. The cross-sectional area of the tube is 326 mm2. The diffusion coefficient is 7 x 10^-11 m^2/s A total amount of hemoglobin of 1.22 x 10-12 g is transported in a steady rate along the tube

    asked by serena on November 23, 2010
  40. physics

    what kinetic energy does an electron acquire if it falls through a potential difference of 21,000 volts in a TV picture tube? How long will it take for that electron to travel from the "gun" end of the tube to strike the other end of the tube and create a

    asked by john on April 12, 2010
  41. physics

    2) Tube (b) is also filled with water, A1 is 0.05m2 and A2 is 0.08m2 Two pistons are placed in both ends of the tube and forces, F1 and F2 are exerted on the pistons so that they remain at the same height. If F1 = 20N what is F2? (I got the answer to this

    asked by Margaret on November 7, 2012
  42. Trig

    State the vertical shift and the equation of the midline for y=4cosx-1. k = -1 y = -1 vertical shift = -1 midline equation is y=-1

    asked by does it matter at this point? on March 7, 2008
  43. Physics

    To measure how far below the ocean surface a bird dives to catch a fish, a scientist uses a method originated by Lord Kelvin. He dusts the interiors of plastic tubes with powdered sugar and then seals one end of each tube. He captures the bird at nighttime

    asked by Lily on May 5, 2013
  44. physics

    Four tubes are set up in the lab at sea level as shown by the figure. The letter under each tube corresponds the question with the same letter. 1 atm = 101300 Pa = 101300 N/m2 ρwater = 1000 kg/m3 (a) What is the pressure pushing down on the surface of the

    asked by Sarah on November 7, 2010
  45. physics

    A 680 Hz tuning fork is held over a long vertical tube full of water. If the tube is 1.00 m long, how many resonances will be heard as the tube is allowed to empty from the bottom?

    asked by Princess on July 29, 2010
  46. physics

    when a 50N object is hung from the 20cm mark of a 100cm uniform metal tube which is pivoted at 40cm mark,the tube balances.calculate the weight of the tube

    asked by Anonymous on September 16, 2018
  47. O-CHEM

    Considering the tube wherein NaOH (1 M) was added to benzoic acid. a) what reaction would occur in the tube? b) write a balance equation that supports your explanation above? c) describe what would happen if u added HCL (6 M) to the same tube? please

    asked by Nina on February 3, 2009
  48. O-CHEM

    Considering the tube wherein HCL (1 M) was added to ethyl 4-aminobenzoate. a) what reaction would occur in the tube? b) write a balance equation that supports your explanation above? c) describe what would happen if u added NaOH (6 M) to the same tube?

    asked by Nina on February 3, 2009
  49. Chemistry

    Considering the tube wherein NaOH (1 M) was added to benzoic acid. a) what reaction would occur in the tube? b) write a balance equation that supports your explanation above? c) describe what would happen if u added HCL (6 M) to the same tube? please

    asked by Neets on February 4, 2009
  50. Chemistry

    Considering the tube wherein HCL (1 M) was added to ethyl 4-aminobenzoate. a) what reaction would occur in the tube? b) write a balance equation that supports your explanation above? c) describe what would happen if u added NaOH (6 M) to the same tube?

    asked by Neets on February 4, 2009
  51. Physics

    A test tube standing vertically in a test tube rack contains 2.4 cm of oil, whose density is 0.81 g/cm^3 and 6 cm of water. What is the gauge pressure on the bottom of the tube? The acceleration of gravity is 9.8 m/s^2. Answer in units of Pa

    asked by Solana on January 20, 2012
  52. Chemistry

    Considering the tube wherein NaOH (1 M) was added to benzoic acid. a) what reaction would occur in the tube? b) write a balance equation that supports your explanation above? c) describe what would happen if u added HCL (6 M) to the same tube?

    asked by AMY on February 5, 2009
  53. physics

    A steel tube, which is closed at both ends, is filled with air. The air in the tube is vibrating at a frequency of 200·Hz. Use 340·m/s for the speed of sound in air. (a) What is the wavelength of the sound waves in the tube? _____ m. (b) If the 200·Hz

    asked by jen on December 8, 2011
  54. physics

    1- How are transformers made efficient using the key idea of "eddy's current" and "laminate" 2-there is a copper tube thee are 2 waights the same mass, one travels faster down the tube and one travels slower down the tube. why is that. can you please

    asked by Anonymous on November 28, 2011
  55. physics

    a projectile is fired from the vertical tube mounted on the vehicle which is travelling at the constant speed of 30kph. the projectile leaves the tube with a velocity of 20m/s relative to the tube.neglecting air resistance.

    asked by Anonymous on November 26, 2014
  56. Statics

    You have 1kg of aluminum (E=69GPa) to make a cylindrical tube with a high Euler buckling load. The tube must have a length L of 0.5m. You can either make a solid tube, or a thin walled tube with a wall thickness, t=0.5cm. The density of aluminum is

    asked by Anjum on October 28, 2017
  57. Statics

    You have 1kg of aluminum (E=69GPa) to make a cylindrical tube with a high Euler buckling load. The tube must have a length L of 0.5m. You can either make a solid tube, or a thin walled tube with a wall thickness, t=0.5cm. The density of aluminum is

    asked by qwerty on October 23, 2014
  58. Physics

    A steel tube, which is closed at both ends, is filled with air. The air in the tube is vibrating at a frequency of 200·Hz. Use 340·m/s for the speed of sound in air. (a) What is the wavelength of the sound waves in the tube? m. (b) If the 200·Hz

    asked by Shae on March 4, 2018
  59. FLUID MECHANICS

    Air under standard conditions flows through a 5.0 mm-diameter drawn tubing with an average velocity of V = 55 m/s. Assume that the tube is smooth, the air is incompressible and no shear stress occur in the tube. Determine i. the pressure drop in 0.1 m

    asked by ANNA on May 3, 2014
  60. Bio Bio Please check answer

    Because codons are triplicates, there are ______ possible nucleotides combinations that could make a codon; each giving rise to one specific amino acid. Yet, there are only 20 amino acids used to produce proteins. Thsus, the gentic code is said to be

    asked by Christine on July 22, 2006
  61. Chem 100 Lab

    A black solid is heated in a tube that is completely evacuated of air. Hydrogen is added to the tube. An orange powder is formed and water vapor is seen on the outside of the tube. Is the original solid an element or compound? Can you identify the

    asked by Boyet on February 19, 2012
  62. precal

    The temperature of a chemical reaction oscillates between a low of 40 degrees C and a high of 100 degrees C. The temperature is at its lowest point when t = 0 and completes one cycle over a five-hour period. (a) Sketch below the temperature, T, against the

    asked by Anonymous on February 14, 2014
  63. physics

    The speed of sound in air varies with the temperature and humidity of the air. In dry air at 20 degrees Celsius, the speed of sound is approximately 343 m/sec. A closed tube resonates with a node at each end for a sound wave in air. What is the length of

    asked by Ann on February 19, 2014
  64. Physics

    A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. On the right side of the tube, the depth of oil is 5.00 cm . On the left side of the tube, the depth of the oil is 2.30cm . The density of the

    asked by Danny on December 3, 2009
  65. Medical Terminology

    Need help identifying 15 medical terms that would be unfamiliar to non-medical persons. Also providing singular and plural forms of selected medical terms. This is a 47-year-old male who was in his usual state of health until early this evening when he

    asked by Rachel on August 2, 2011
  66. Science

    Suppose that you heated a sample of a hydrated ionic compound in a test tube. What might you expect to see inside the test tube, near the top of the test tube? Explain please i really am stumped on this question...

    asked by katie on December 1, 2014
  67. PHYSICS!!!

    Sucrose is allowed to diffuse along a 8.0-cm length of tubing filled with water. The tube is 6.1 cm2 in cross-sectional area. The diffusion coefficient is equal to 5.0 10-10 m2/s, and 8.0 10-14 kg is transported along the tube in 18 s. What is the

    asked by k on November 11, 2012
  68. physics

    (c) Tube (c) is again filled with water. A1 and A2 are the same as in part (b). Two pistons apply different forces to the water in the tube so that the water in the right side of the tube is a height h = 0.43m above the height of the water in the left side

    asked by d on May 1, 2011
  69. Science

    A serial dilution is set up with an initial antigen concentration of 250 ug/mL. A serial dilution is carried out where 20 uL is moved from each tube into an adjacent which has been prefilled with 80 uL of buffer. What is the tube concentration of tube 8,

    asked by Sarah on September 20, 2018
  70. physics

    Your physics teacher assigned a thermometer-building project. He gave you a glass tube with an inside diameter of 1.15 mm and a receptacle at one end. He also gave you 8.97 cm^3 of mercury to pour into the tube, which filled the receptacle and some of the

    asked by maria on November 21, 2011
  71. Physical Education

    What is the pelvis? At Least 3 sentences.

    asked by Natalie on November 6, 2018
  72. Physics- PLEASE!!

    A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. On the right side of the tube, the depth of oil is 5.00 cm . On the left side of the tube, the depth of the oil is 2.30 cm. The density of the

    asked by Jim on December 4, 2009
  73. physics

    The following tube has dimensions d1=1.16 cm and d2=3.60 mm. Air (density = 1.28 kg/m3) flows through the tube at a rate of 1100.0 cm3/s. Assume that air is an ideal fluid. What is the height h of mercury (density = 13600.0 kg/m3) in the right side of the

    asked by jujubes on December 6, 2010
  74. physics

    Water flows through a horizontal tube of diameter 2.6cm that is joined to a second horizontal tube of diameter 1.7cm . The pressure difference between the tubes is 8.0kPa.Find the speed of flow in the first tube.

    asked by Sid on January 30, 2011
  75. physics

    Water flows through a horizontal tube of diameter 2.9cm that is joined to a second horizontal tube of diameter 1.5 cm. The pressure difference between the tubes is 7.2 kPa. A)Find the speed of flow in the first tube.

    asked by jazz on December 4, 2011
  76. physics

    Water flows through a horizontal tube of diameter 2.9 cm that is joined to a second horizontal tube of diameter 1.5 cm. The pressure difference between the tubes is 7.2 kPa. Find the speed of flow in the first tube.

    asked by jazz on December 4, 2011
  77. physics

    Ethyl alcohol flows through a horizontal tube of diameter 2.96 cm that is joined to a second horizontal tube of diameter 1.50 cm. The pressure difference between the tubes is 7.41 kPa. What is the speed of flow in the first tube?

    asked by Sandhya on November 18, 2008
  78. Biology

    Tube # 1: 1 ml of water, 3 ml of glucose-1-phosphate and 3 ml of Enzyme. Tube # 2: 1 ml of Ph 7 buffer, 3 ml of glucose-1-phosphate and 3 ml of Enzyme. Both of these reactions tested positive, and the same enzyme was used for both tubes. Why Did you get

    asked by Brook on February 4, 2012
  79. physics

    Container A is sealed (not open to the atmosphere) filled with water with an unlimited width and depth. Container A consists of Section 1 and 2. The upper part of Container A, Section 1 has 5 feet of air at 21.83 psi Tube B is 80 feet long and full of air

    asked by Anonymous on August 17, 2011
  80. physics

    A fresh water pond that is 14.7 m deep is contained on one side by a cliff. The water has eroded a nearly horizontal "tube" through a bed of limestone, which allows the water to emerge on the other side of the cliff. If the "tube" has a diameter of 4.07

    asked by jujubes on December 6, 2010
  81. Physics review

    In this example, sound waves are created in a tube. The tube is partially filled with water and the level of water is adjusted in the tube until there is a standing wave. Draw the lowest frequency standing wave for the two water levels in the drawing. The

    asked by hayley on July 25, 2012
  82. Chemistry

    You have 20mL of a solution of concentration 0.015mg/mL of x in test tube #1. Prepare serial dilutions of your stock solution, and calculated the concentration of x as follows: Add 10mL of distilled water and 10mL of stock solution from test tube 1 to test

    asked by Jon on November 3, 2010
  83. chemistry

    Q: I just did an online chemisty lab for Oxidation States of Manganese and I'm stuck. I have three test tubes that have been prepared as follows: Tube 1- Starting PH 13.82 2 mL of KMnO4 1 mL of NaOH Tube 2- Starting PH 7 2 mL of KMnO4 Tube 3- Starting PH 0

    asked by jo on July 27, 2010
  84. Physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Irene on May 6, 2014
  85. physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Sarah on May 6, 2014
  86. physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Sarah on May 6, 2014
  87. physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Sarah on May 6, 2014
  88. Physics

    A pan flute is based on standing wave resonance in a tube that is open where the musician blows and closed at the bottom end with bee’s wax. (a) Describe the standing wave pattern of air displacement in such a tube when a tone is played. (b) Determine

    asked by Jamie on December 3, 2016
  89. NU

    The end of a thin glass-wall tube with an inside diameter of 1-mm is inserted into a reservoir of pure water with a temperature of 25 degree C. What is the surface tension (adhesoin) force on the water inside the tube? To what height will the water rise in

    asked by LaToya on March 17, 2011
  90. physics

    A 10g marble is spun so that it rolls at 150rpm around the inside of a steel tube. The tube has a 12cm diameter. Assume the rolling resistance is small enough for the marble to maintain 150rpm for several seconds. During this time, will the marble spin in

    asked by Elizabeth on November 15, 2009
  91. Chemistry

    A gas in a discharge tube consists entirely of ions of the same element, of the same charge. Each ion has only one remaining electron. The voltage between the electrodes of the gas discharge tube is increased from zero. Electrons are accelerated across the

    asked by Chemq on March 25, 2013
  92. Physics

    A test tube in a centrifuge is pivoted so that it swings out horizontally as the machine builds up speed. If the bottom of the tube is 180.0 mm from the central spin axis, and if the machine hits 54000 rev/min, what would be the centripetal force exerted

    asked by Ashley on February 22, 2013
  93. Physics

    A test tube in a centrifuge is pivoted so that it swings out horizontally as the machine builds up speed. If the bottom of the tube is 165.0 mm from the central spin axis, and if the machine hits 53500 rev/min, what would be the centripetal force exerted

    asked by Liz on November 11, 2013
  94. Physics

    A test tube in a centrifuge is pivoted so that it swings out horizontally as the machine builds up speed. If the bottom of the tube is 145.0 mm from the central spin axis, and if the machine hits 46500 rev/min, what would be the centripetal force exerted

    asked by Matt on February 11, 2012
  95. Physics

    A test tube in a centrifuge is pivoted so that it swings out horizontally as the machine builds up speed. If the bottom of the tube is 160.0 mm from the central spin axis, and if the machine hits 40500 rev/min, what would be the centripetal force exerted

    asked by Kevin on February 26, 2016
  96. Physics

    A block of mass 20g sits at rest on a plate that is at the top of the fluid on one side of a u-tube as shown in figure P10.38. The u tube contains two different fluids with densities p1= 1000 kg/m^3 and p2= 600 kg/m^3 and has a cross sectional area of A=

    asked by Jackie on June 27, 2012
  97. science

    we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together

    asked by ana on September 20, 2010
  98. science

    we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together

    asked by ana on September 21, 2010
  99. science

    we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together

    asked by ana on September 22, 2010
  100. Physics

    The water level in a vertical glass tube 1.40 m long can be adjusted to any position in the tube. A tuning fork vibrating at 440 Hz is held just over the open top end of the tube, to set up a standing wave of sound in the air-filled top portion of the

    asked by Emma on May 25, 2011

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