1. physics

    a river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10m/s due north relative to the water. (a) what is the velocity of the boat relative to the shore? (b) if the river

    asked by suzanne on February 28, 2013
  2. physics

    Some children go tobogganing on an icy hill. The start from the rest at the top of the hill. The toboggan and children have a combined mass of 94 kg. The height of the first hill a is 12.0m the height of b is 0, and the height of c is 3.0m. If friction is

    asked by Melissa on June 15, 2012
  3. physics

    A parallel plate capacitor having plates 6.0 cm apart is connected across the terminals of a 12.0 V battery. (a) Being as quantitative as you can, describe the location and shape of the equipotential surface that is at a potential of +6.0 V relative to the

    asked by J on January 28, 2008
  4. physics

    A 715 kg object is lifted from the surface of the earth to a height of 880 kg above the surface of the earth. Calculate the increase in gravitational potential energy using the exact expression and compare it with the approximate expression using g=9.81.

    asked by jess on October 8, 2010
  5. PHYSICS!!!

    To simulate the extreme accelerations during launch, astronauts train in a large centrifuge. If the centrifuge diameter is 13.5m , what should be its rotation period to produce a centripetal acceleration of If the centrifuge diameter is 13.5m , what should

    asked by Amy on September 14, 2013
  6. Factoring Polynomials (need HELP!!!)

    Ok, this is pretty long, so bear with me. The problem says: The diagram (not shown here, sorry) shows a cube of metal with a cylinder cut out of it. The formula for the volume of a cylinder is V=pi*r^2*h, where r is the radius and h is the height. The

    asked by Emily on January 10, 2007
  7. Math

    A rollercoaster travels at 120 miles per hour on its track for 3 minutes. A. 3 minutes is what part of an hour? B Use a formula and your answer from above to calculate the distance traveled. A. I got 1/20 or 5% B. Not sure what formula to use. But I got

    asked by Katie on January 30, 2016
  8. math

    To find the formula to find the volume of a cylinder is pi r-sqrt.h the dimensions of the cylinder are h=10inches and the radius is 1.25 inches the supposed answer is 39.26 but I am having a hard time calculating the formula to match that help

    asked by meshel on March 29, 2016
  9. physics

    A jogger travels a route that has two parts. The first is a displacement of 2.15 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 3.95 km. (a) What is the magnitude of , and what is

    asked by timmmothy on January 27, 2014
  10. Physics

    A jogger travels a route that has two parts. The first is a displacement of 2.90 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 4.25 km. (a) What is the magnitude of , and what is

    asked by RW on August 25, 2013
  11. Physics

    A jogger travels a route that has two parts. The first is a displacement of 2.20 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 4.10 km. (a) What is the magnitude of , and what is

    asked by Alister on January 28, 2014
  12. sum geometric series

    what is the sum of geometric infinite series 3/2+ 9/16+ 27/128+ 81/1024=.... i know the formula is S=a/(1-r) my teacher, he usually transforms into a formula of the sum series and finds out a and r.but i don't how to do that. the pattern i saw is 3/2 +

    asked by david on April 9, 2007
  13. math word fu

    A new car worth 45K is depreciating in value by 5K per year. How can I write a formula that models the cars' value,y, in dollars, after x years?Then using the formula determine after how many years the cars' value will be 9K.

    asked by Jackie chan on October 22, 2012
  14. Word problem

    A new car worth 45K is depreciating in value by 5K per year. How can I write a formula that models the cars' value,y, in dollars, after x years?Then using the formula determine after how many years the cars' value will be 9K.

    asked by Gene on October 22, 2012
  15. Word problem

    A new car worth 45K is depreciating in value by 5K per year. How can I write a formula that models the cars' value,y, in dollars, after x years?Then using the formula determine after how many years the cars' value will be 9K.

    asked by Gene on October 22, 2012
  16. college math word problem

    A new car worth 45K is depreciating in value by 5K per year. How can I write a formula that models the cars' value,y, in dollars, after x years?Then using the formula determine after how many years the cars' value will be 9K.

    asked by Angel on October 22, 2012
  17. chemistry

    a compound with the molecular weight of 276 grams was determined to be 39.10% carbon, 8.77% hydrogen, and 52.13% oxygen. what is the empiricial formula and the molecular formula for the compound? i do not know where to start!

    asked by shelly on November 28, 2009
  18. Physics

    An iron block of the mass 1 kg is suspended on a spring of the spring constant 140 N/m, and merged into a vessel with 8 liters of water. The mass is displaced by 10 cm from its equilibrium position, and released. How much energy in J has been dissipated by

    asked by HelpPlease on December 3, 2010
  19. Pre-cal

    Hi, I don't understand this problem also. Find the the relative maximmum and minimum of x^3 - 6x^2 + 15. I'm supposed to do it using a graphing calculator but I still don't see any "lows" or "highs". Relative max and mins will occur when the derivative is

    asked by Lisa on February 16, 2007
  20. Chemistry

    A sample of ammonium salt (NH4X) having a mass of 1.618g was heated with NaOH and the liberated ammonia was reacted with 50.00 of .6230 mol/L HCl. The excess acid required 1.50 mL of .6115 mol/L NaOH in titration. What is the formula of the salt?

    asked by Emily on April 25, 2012
  21. Algebra

    An isotope of Glopenium disintegrates according to the formula A(t) = Ao2^-0.0345t where Ao is the initial mass of the substance and t is the time in years. If there are 2 milligrams of Glopenium now, find the number of milligrams that will be left after

    asked by Loretta on October 21, 2011
  22. statistics

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by sweet on August 16, 2010
  23. statistics

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by Trish on July 25, 2010
  24. stats

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by Jenn on September 20, 2010
  25. science

    As a result of the law of conservation, during a chemical change the mass of the products is equal to the mass of the ? mass of the products = mass of the reactants.

    asked by Hunter on October 30, 2006
  26. chemistry

    according to the law of conservation of mass, if the products of a reaction have a mass of 64.0g, then the total mass of the reactants a. must be less than 64.0g b. must be equal to 64.0g c. must be more than 64.0g d. is not related to the mass of the

    asked by Anonymous on June 9, 2009
  27. Physics

    If a particle moves with velocity V PA = (2.0 m/s) + (4.0 m/s) relative to frame A, what is the velocity V AP of the frame relative to the particle? a. -(2.0 m/s) + (4.0 m/s) b. -(2.0 m/s) - (4.0 m/s) c. (2.0 m/s) + (4.0 m/s)

    asked by Sharon on October 6, 2012
  28. math

    Suppose the scores of students on an exam are normally distributed with a mean of 393 and a standard deviation of 57. According to the empirical rule, what percentage of students scored between 279 and 507 on the exam

    asked by betsy on October 3, 2016
  29. math

    The formula for the area of a trapezoid is A=1/2h(b1+b2) were h is the height of the trapezoid, and b1 and b2 are the base lengths of the trapezoid. Which formula can be used to find the length of b1?

    asked by Gg on September 18, 2016
  30. physics

    A steel ball of mass m=5 g is moving at a speed of 250 m/s toward a large mass M=2.2 kg which is connected to a relaxed spring, as shown below. When the ball reaches the large mass it collides and bounces off without losing any kinetic energy. The large

    asked by joan on November 7, 2014
  31. physics

    What is the magnitude of the electrostatic force that the two protons inside the nucleus of a helium atom exert on each other? Why do atomic nuclei not simply explode?

    asked by anna on September 12, 2012
  32. Chemistry

    How many grams of a sodium salt would you need to prepare 500 ml of a buffer at pH = 3.29, using 0.100M solution. (Use 3 sig fig , atomic wts to whole number)

    asked by John on April 9, 2018
  33. Chemistry

    To form a molecule with a trigonal bipyramidal electron geometry, what set of pure atomic orbitals must be mixed? The answer is one s, three p, and one d. How do you figure this out?

    asked by Danielle on May 3, 2010
  34. chem

    Assume that the atomic diameter of an atom of element X is 2A and that 1.0 x 10(16th) atoms are arranged in a simple 2D square array. What is the length of each side in cm?

    asked by Karen on November 3, 2015
  35. Chemistry

    What is the molarity of a solution prepared by dissolving 820. g of sodium phosphate, Na3PO4, in water and diluting to 2.89 liters? (atomic masses: Na = 22.99, P = 30.97, O = 16.00)

    asked by Anna on November 14, 2014
  36. Chemistry

    How can the atomic orbital be described in the quantum mechanical wave model of the orbitals? A. A collection of balloons B. A circular ring C. A probability density

    asked by Morgan on January 28, 2015
  37. Math

    For the graph of (3-x)/(5x+2)^3: is the following information right? x-intercept: (3,0) y-intercept: (0,0.375) vertical asymptote: x= -0.4 horizontal asymptote: y=0 increasing: (4.7, infinity) decreasing: (-infinity, -0.4) (-0.4, 4.7) concave up: (-0.4,

    asked by Tim on March 26, 2010
  38. physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +5.2 m/s and ax = +5.9 m/s2. The y components of the puck's initial velocity and

    asked by mel on February 5, 2014
  39. physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.2 m/s and ax = +1.9 m/s2. The y components of the puck's initial velocity and

    asked by louis aaaa on June 23, 2013
  40. physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +5.3 m/s and ax = +2.6 m/s2. The y components of the puck's initial velocity and

    asked by kyle on February 10, 2014
  41. Physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +7.2 m/s and ax = +4.3 m/s2. The y components of the puck's initial velocity and

    asked by Sanz on September 18, 2014
  42. physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +2.5 m/s and ax = +5.2 m/s2. The y components of the puck's initial velocity and

    asked by Anonymous on September 22, 2013
  43. physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.9 m/s and ax = +1.2 m/s2. The y components of the puck's initial velocity and

    asked by sarah on August 7, 2015
  44. physics 1

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.5 m/s and ax = +5.8 m/s2. The y components of the puck's initial velocity and

    asked by anonymous on February 3, 2014
  45. Physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +6.6 m/s and ax = +2.0 m/s2. The y components of the puck's initial velocity and

    asked by WR on September 7, 2013
  46. physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +8.3 m/s and ax = +8.8 m/s2. The y components of the puck's initial velocity and

    asked by frost on February 10, 2011
  47. physics 1

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.5 m/s and ax = +5.8 m/s2. The y components of the puck's initial velocity and

    asked by anonymous on February 3, 2014
  48. Physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +0.8 m/s and ax = +0.9 m/s2. The y components of the puck's initial velocity and

    asked by Dee on January 31, 2013
  49. Algebra

    I know I can use the population growth formula. here is the question; The fox population in a certain region has a relative growth rate of 7% per year. It is estimated that the population in 2005 was 19,000. (a) Find a function n(t) = n0e^rt that models

    asked by Jaydon on August 10, 2015
  50. Chemistry

    When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume of N2 gas corrected to 298.15K and 100kPa is calculated to be 0.146L. Find the mass percent of

    asked by Derek on May 25, 2011
  51. Chemistry

    When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume of N2 gas corrected to 298.15K and 100kPa is calculated to be 0.146L. Find the mass percent of

    asked by SadFace on May 25, 2011
  52. Math

    For each geometric series, calculate t6 and S6. a) 6 + 30 + 150 ... So I'm not exactly looking for an answer to this question but I was wondering why they want you to find t6 too? Would finding out t6 (via general formula) help in any way when finding S6?

    asked by Crystal on January 12, 2013
  53. math

    I have a question about the formula for this problem:How many ways can an IRS auditor select 3 of 11 tax returns for an audit? I know that it is 11! / 3!(11-3)! But apparently I am doing something wrong because my answer is not one of my choices. Am I

    asked by sam on September 23, 2009
  54. GRANDMA

    Recently we were in a science museum and saw an exhibit on Fibonaci. The formula presented on the wall was: X(cubed) + 2(squared) + 10X = 20. I cannot find a value for X that makes this formula work for me. Is it correct or why is it correct? If not, we

    asked by weezie on April 21, 2011
  55. Physics

    A mass m1 on a horizontal shelf is attached by a thin string that passes over a frictionless pulley to a 2.5 kg mass (m2) that hangs over the side of the shelf 1.2 m above the ground. The system is released from rest at t = 0 and the 2.5 kg mass strikes

    asked by J on February 26, 2012
  56. Algebra

    The​ formula, Modifying Upper C with underline urrent ratioequalsStartFraction current Modifying Upper A with underline ssets Over current Modifying Upper L with underline iabilities EndFraction is used to find the current financial nbspratio. The ratio

    asked by Anonymous on September 18, 2018
  57. Organic Chemistry

    Gas Chromatography: The internal standard technique is used. A volatile component which does not interfere with the GC analysis (i.e. it gives a separate peak) is added to the sample which is then analyzed. For example, 10.0 mg of D was added to 50.0 mg of

    asked by Courtney on February 15, 2015
  58. Physics

    During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 246 N on the wire. The left section of the wire makes an angle of 14.2°

    asked by Kristyn on April 7, 2015
  59. Physics

    During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 283 N on the wire. The left section of the wire makes an angle of 11.8°

    asked by Natasha on March 11, 2012
  60. physics

    During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 253 N on the wire. The left section of the wire makes an angle

    asked by Kyle on January 8, 2017
  61. Chemistry

    A solution of hexane in the solvent (CH3)2CO has a mole fraction of CH3(CH2)4CH3 of 0.114. What mass (g) of the solution must be taken if 1690 g of hexane is needed? Molar Mass (g/mol) CH3(CH2)4CH3 100.21 (CH3)2CO 58.05 Density (kg/L): CH3(CH2)4CH3 0.6838

    asked by Scott on September 2, 2008
  62. precalc

    Determine whether the sequence is geometric or arithmetic. Then give the general formula for the nth term of the sequence. 6.1, 6.9, 7.7, 8.5, 9.3,... I think it is Geometric, but i don't know how to find the formula

    asked by Alex on December 5, 2011
  63. Math

    The formula V = Bh, where B represents the area of the base, can be used to find the volume of a cylinder. Which formula is equivalent to V = Bh when finding the cylinder's volume? A) V = (l · w) B) V = (l · w · h) C) V = πr2h D) V = 2πr Please help!

    asked by ღCrxmbZღ on March 28, 2019
  64. Algebra 1

    Which method is the best method for solving the equation 8x^2-123x+3=0 square roots factoring graphing quadratic formula my answer is quadratic formula

    asked by Steve on February 15, 2015
  65. Please help Chem

    A hydrate of barium chloride has the formula BaCl subscript 2 dot XH subscript 2 O.If a 1.055g sample of the hydrate contains 0.157g H2O, what is the "X" in the formula?

    asked by anony5 on September 19, 2013
  66. Math

    i need some help understanding the formulas for finding the are for a circle and finding the Circumference. and the formula they give me i still don't understand can you guys help me understand the easier way to look at the formula?

    asked by Hey,I'm just asking on March 7, 2019
  67. relative velocity please help exam tom.

    the paper delivery boy tires to throw the paper ubti your narrow driveway without slowing down. his pickup truck travels at 10 mph and he throws the paper at 20 mph just as the truck passes the drive way. a) in what direction should he throw the paper in

    asked by candance on October 18, 2007
  68. Chemistry honors

    Formula: 2LiOH + CO2 yields Li2CO3 +H2O Suppose a lithium hydroxide canister contains 155grams of LiOH. What mass of CO2 will the cannister be able to absorb? If it is found that after 24 hours of use the cannister has absorbed 102 grams of CO2. What

    asked by Liem on January 22, 2013
  69. TO: DrBob222 science

    1. Write the chemical formula for each of the following acids: a.) hydrocyanic acid b.) oxalic acid c.) chlorous acid d.) nitric acid 2. Write the acid name or chemical formula for each of the following: a.) HBr b.) sulfurous acid c.) HClO4 D.) phosphoric

    asked by Anonymous on March 20, 2014
  70. Chemistry (The Composition of an Atom)

    In 1808, John Dalton wrote his atomic theory of matter. The following is a list of points from that theory. If it is still considered true today, label it true. If it is not considered true today, label it false. 1)Atoms cannot be subdivided. 2)Atoms

    asked by Andy on April 14, 2011
  71. ICH 101

    Complete combustion of 0.327g of a compound contained H, C, N, O and S gave 0.55g of CO2, 0.081g of H2O and 0.02g of N, if 0.673g of the compound was converted to 0.859g of BeS. Calculate the empirical formular of the compound.

    asked by Nwuzu on January 16, 2016
  72. bus. stats

    Given that math SAT scores are normally distributed (follow the empirical rule) m=500 Standard deviation=100 what is the math SAT score for someone who is in the 80th percentile of his or her class.

    asked by mike on March 3, 2010
  73. bus. stats

    Given that math SAT scores are normally distributed (follow the empirical rule) m=500 Standard deviation=100 what is the math SAT score for someone who is in the 80th percentile of his or her class.

    asked by mike on March 3, 2010
  74. Biology (respiration)

    Okay...so its about glycolysis in ANaerobic respiration QUESTIONS 1* fructose 1 6 biphoshate or diphoshate (which one is it exactly?) 2* what is the molecular formula for fructose 1 6 di/biphosphate? SOME SITES say C(6)H(10)O(6)P and some say

    asked by Kimora on November 29, 2008
  75. Math

    If ABCD is an arbitrary convex quadrilateral, then the area enclosed by ABCD is described by the formula (1/2) AC*BD*sin(theta) , where ! is one of the angles formed by the intersecting diagonals AC and BD. Prove this formula, and explain why it does not

    asked by John on August 19, 2010
  76. Math!!!!

    Determine the value(s) of 'K' that will give (k-1)x^2-5x + 10= 0 two imaginary roots. k so the thing I know is that the discriminant is d

    asked by Anonymous on July 22, 2006
  77. math

    Using the present value formula you deposit $12,000 in an account that pays 6.5% interest compounded quarterly. A. find the future value after one year? B. Use the future value formula for simple interest to determine the effective annual yield?

    asked by marie on August 14, 2011
  78. Chemistry+empirical formula

    What is the empirical forumla (lowest whole ratio) of the compounds below? A. 13.0g Mg 1 mole/24.312 = .53 mole 87.0g Br 1 mole/79.909g = 1.09 mole Mg .53/.53 Br 1.09/.53 Mg 1.0 Br 2.1 What do i do now?

    asked by Chopsticks on January 15, 2009
  79. math

    empirical probability and theoretical probability of 2 tails - 210 1 tail - 480 0 tail - 310

    asked by yamille on April 29, 2014
  80. Science chemistry

    6. 5g oxides of lead heated and it was reduced to 4. 2g of lead metals. Calculate the empirical formulae of the oxides

    asked by Anonymous on September 7, 2018
  81. Physics

    Jill and Traci are side by side in their cars at a red light. When the light changes, Jill takes off with an acceleration of 2.4m/sec^2. Traci waits 3 seconds and then takes off with an acceleration of 4m/sec^2. How long will it take her to catch Jill?

    asked by Rosie on September 2, 2015
  82. Calculus problem

    I really need help on this question. A goldsmith makes a wedding band by taking a gold ball and drilling a wide hole through it. The wedding band has to be 1 cm wide and the hole has to have a diameter of 2 cm. Given that gold weighs 19.32g/cm^3, how heavy

    asked by Rain on October 10, 2006
  83. Maths

    An atom of chlorine has 6 more protons than an atom of sodium. The atomic number of chlorine is 5 less than twice the atomic number of sodium. How many protons in atom of chlorine?.

    asked by Ravita on September 28, 2010
  84. physics

    A mass of 0.116 kg hangs from a vertical spring in the lab room. You pull down on the mass and throw it vertically downward. The speed of the mass just after leaving your hand is 5.60 m/s. (a) While the mass moves downward a distance of 0.04 m, how much

    asked by Chris on April 17, 2011
  85. chemistry

    What mass of Ag2CO3 would be found in 1.4 L of a saturated solution if the Ksp of Ag2CO3 is 8.2 x 10-12? My Work: SInce mass = number of mols x Molar mass, I first look for the molar mass of Ag2CO3, which is 275.75 g/mol. Multiplying .0000000000082 by

    asked by Reindier on April 18, 2008
  86. physics

    A mass is pushed over a surface by a 19 N force that acts somewhat downward at an angle of θ = 45° to the horizontal as shown in the figure below. The mass is 3.0 kg and the coefficient of friction between the mass and surface is 0.25. (a)What is the

    asked by Anonymous on October 25, 2015
  87. PHYSICS

    QUIZ 1 AND 2, PROBLEM 3 A block of mass M is pulled with a rope that exerts a force of a magnitude F, causing it to slide over horizontal ground with kinetic coefficient of friction μ (use "mu" when you input your answer). The force is applied at angle θ

    asked by XYZ on June 29, 2013
  88. physics

    Which of the following is correct for the nuclear fission reaction? Choose one answer. a. The mass of the daughter nucleus is always greater than the mass of the parent nucleus. b. The mass of the daughter nucleus is always less than the mass of the parent

    asked by ashley -- on April 28, 2011
  89. chemistry

    I am trying to calculate geometry optimization of cyclodextrin, however, the computer always show error 2070 in gaussian. I used sem-empirical pm3 and try pm6, and tried to find any method to do this work, but every try could not work. I hope any body on

    asked by bun on May 28, 2012
  90. Math

    Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that a randomly selected adult has an IQ that is less than 115. Round to the nearest thousandth. Answer precisely. Do

    asked by Anonymous on March 6, 2016
  91. physics please help!!

    A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.90 106 m/s. Relative to the center, the tangential speed is vT = 3.00 105 m/s for

    asked by linds on March 27, 2012
  92. math

    Explain why the cost of an item discounted 20% and then taxed 8% can be calculated by multiplying the original price by 0.864

    asked by Maddi Jane <3 on October 30, 2011
  93. Analytical Chemistry

    1. If the unknown solid were not dried before analysis, would the calculated percent of KHP be too high or too low? Explain

    asked by Mia on February 9, 2017
  94. Chemistry

    would the calculated molar volume be larger, smaller or unchanged. a. the partial pressure of water was not taken into account

    asked by Lisa on October 20, 2013
  95. health

    had 20 postoperative deaths.The posteperative dealth rate are calculated by patients who expired in what period of time?

    asked by Sashy on July 17, 2010
  96. Math

    3) Find the area bounded by the curves f(x)= x^3 + x^2 and g(x)= 2x^2 + 2x. I get 4653pi/105 after help from Mr. Reiny, but this is wrong. Have I calculated incorrectly? Thank you

    asked by Hannah on May 22, 2013
  97. Calculus

    3) Find the area bounded by the curves f(x)= x^3 + x^2 and g(x)= 2x^2 + 2x. I get 4653pi/105 after help from Mr. Reiny, but this is wrong. Have I calculated incorrectly? Thank you

    asked by Hannah on May 22, 2013
  98. Chemistry

    What is the calculated value of the partial pressure (atm) of O2 in acid mine water of pH 2.500, in which [Fe3+] = [Fe2+]?

    asked by Laura on April 10, 2010
  99. chemistry

    *the molar solubility of BaCo3 in 0.50M Bacl2 solution IS?ksp(1.6*10^-6) I CALCULATED AND GOT 3.2*10^-9 WANT TO MAKE SURE IF IT CORRECT

    asked by jessina on March 19, 2014
  100. Chem -Bob Pursley Please Help!

    So I would like to check some of my answers. I really appreciate any help 1. Which of the following atoms or ions is diamagnetic; Cr Br Mn2+ B C4+ - I said C4+ 2. Which of the following atoms or ions is paramagnetic? C4- S^4+ V^4+ Se2- Ge4+I said V^4+

    asked by Josh on November 12, 2017

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