1. programming

    write a pseudocode to accept item name, price, and quality from a user and display the item name and it's total value. the total value can be calculated as the product of price and quality

    asked by germain on November 14, 2014
  2. chemistry

    What is the largest number of ions in any of your formulas? What is the total positive charge and the total negative charge in each formula with this many ions? Give two examples of these formulas.

    asked by maath on September 24, 2018
  3. PreCalc

    The total electrical resistance R of two resistors connected in parallel with resistances R1 and R2 is given by 1/R=1/R1+1/R2. One resistor has a resistance of 2.3 ohms. Let x be the resistance of the second resistor. Express the total resistance R as a

    asked by Linda on December 2, 2010
  4. math

    (13) Dan invested a total of 12, 000. He invested some of that money at 3% and some at 5%. After one year, he earned a total of 460 in interest. How much did Dan invest at each rate of interest?

    asked by sukh on February 12, 2017
  5. easy algebra!

    C(x)=x^2−20x+111 represents the total cost, in dollars, to produce x gallons of paint. How many gallons of paint should be produced to minimize the total cost?

    asked by please..anyone help!! on March 18, 2013
  6. Economics

    An industry currently has 100 firms, all of which have fixed costs of $16 and avg. variable cost as follows: Q Avg. Variable Cost ($) 1 1 2 2 3 3 4 4 5 5 6 6 a. Compute marginal cost and avg. total cost. b. the price is $10. what is the total quantity

    asked by Maggie on December 13, 2006
  7. Mechanical Behavior of Materials

    The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit the ball. Major league wood baseball bats are made of ash. A typical major league bat has a length of 0.95m and a tapering

    asked by zxcv on November 8, 2014
  8. Mechanical behavior

    The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit the ball. Major league wood baseball bats are made of ash. A typical major league bat has a length of 0.95m and a tapering

    asked by please HELP on November 11, 2015
  9. Mechanical Behavior on Materials / math

    The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit the ball. Major league wood baseball bats are made of ash. A typical major league bat has a length of 0.95m and a tapering

    asked by mel on November 9, 2015
  10. math

    good evening, he pie chart below shows how the total annual income for a certain family is spent. If the total annual income is 140,000 , what amount is budgeted for Auto, Insurance, and Entertainment combined? Auto,12%, ins 10% and enter is 13%. I know

    asked by mary ann on January 23, 2015
  11. Statistics

    Daily water intake (including water used in drinks such as coffee, tea and juice) for Canadian adults follows a normal distribution with mean 1.86 litres and standard deviation 0.29 litres. (a) Can you calculate the probability that the mean daily water

    asked by Mel on November 4, 2014
  12. Physics

    A positive ion moves at a velocity of 2.4x10^5 ms in a circular path of radius 1.8m when a magnetic field of 0.315 T is applied. Find the mass of the ion. Assume a single charge.

    asked by Edmonds on May 20, 2017
  13. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 1. Which of the following are examples of applied art? Select all that apply. (2 points) a) architecture b) drawing c) industrial design d) sculpting My Answers: A and C Could someone please check my

    asked by Da Fash on September 26, 2017
  14. Physics

    A constant force of 100N , directed upward, is applied to a 5.0kg toy rocket by the rocket's engine. Find the rockets acceleration? I thought it'd be as simple as F=ma to be 20 m/s2 but I was wrong. What am I overlooking?

    asked by Eiban on February 15, 2014
  15. physics

    A rough wooden block of mass 4kg placed on a rough horizontal plank is applied by a force of 35n until it just starts to move calculate the coefficient of static friction (take 9=10m/s

    asked by Anaebo on November 15, 2011
  16. physics

    The L-shaped object in the figure below consists of three masses (m1 = 8.90 kg, m2 = 1.16 kg and m3 = 2.40 kg) connected by light rods of length L1 = 1.29 m and L2 = 1.86 m.What torque must be applied to this object to give it an angular acceleration of

    asked by Anonymous on April 15, 2013
  17. science

    A circular hole of 150 mm diameter is to be punch out of a 2 mm thick plate. the shear stress needed to cause fracture is 400 Mpa. calculate the minimum force to be applied to the punch.

    asked by Hassan on October 19, 2015
  18. writing sentences and paragraphs

    you've applied for a specific job in your field of study .The human resources department arranges an interview and tells you to bring a polished piece of writing for them to evaluate your writing skills

    asked by tara on January 20, 2009
  19. Physics

    I don't know how to solve this problem. In it, I am given the mass (4 kg), acceleration (0), velocity (20 m/s), coefficient of friction (.2), and the applied force (10 N downwards with an angle of 30 degrees above the horizontal). I must find the

    asked by Corinne on November 8, 2016
  20. Physics

    a car moving at 10 metre per second was uniformly accelerated until it's velocity reaches 20 metre per second.It then maintains this speed for another 20s after which the brakes were applied and the vehicle was finally brought to rest after 10 seconds

    asked by Ayomide on February 3, 2016
  21. Biomechanics

    If an average net force of 20N at 45* is applied to a 0.35 kg water balloon for 0.12s. how far away should the catcher stand? Assume release height and cathc height are the same and air resistance is not a factor.

    asked by Bob on November 29, 2010
  22. College History

    Comment on what James Baldwin said of the Civil rights movement challenging the Unites States to rethink “What it really means by freedom, including whether freedom, applied to all Americans or only to part of the population.

    asked by T-Bone on November 20, 2008
  23. Physics-Mechaincs

    A block is pushed up a frictionless incline by an applied horizontal force as shown. The acceleration of gravity is 9.8 m/s2 . mass=2.7 kg F = 33 N theta=29◦ What is the magnitude of the resulting ac- celeration of the block? Answer in units of m/s2.

    asked by Genevieve on September 20, 2010
  24. Ancient History -- Repost for Zara

    explain the significance of his declaration we are the school of Hellas what was pericles implying how did he applied to significance to potential enemies as well as to subjects of Athenian rule posted by Zara today at 2:26pm

    asked by Ms. Sue on October 28, 2018
  25. physics

    A man pushes 100.0 N on the handle of a 40.0 kg lawnmower. The applied force is in the same direction as the handle, which is tilted 35.0° relative to horizontal. The coefficient of kinetic friction is 0.10. Find the amount of acceleration.

    asked by Liz on December 4, 2014
  26. Physics

    A cable passes over a pulley. Because of friction, the tension in the cable is not eh same on opposite side of the pulley. The force in one side is 110 N, and the force on the other side is 100 N. Assume that the pulley is a uniform disk of mass 2.1kg and

    asked by Rod on October 15, 2010
  27. Chemistry

    The Russian Mir space station used a chemical oxygen generator system to make oxygen for the crew. The system ignited a tube of solid lithium perchlorate (LiClO4) to make oxygen and lithium chloride (LiCl): LiClO4 (s) ---> 2O2 (g) + LiCl (s) If you have

    asked by O on March 6, 2015
  28. chemistry

    The Russian Mir space station used a chemical oxygen generator system to make oxygen for the crew. The system ignited a tube of solid lithium perchlorate (LiClO4) to make oxygen and lithium chloride (LiCl): LiClO4 (s)  2O2 (g) + LiCl (s) If you have 500

    asked by O on February 20, 2015
  29. Math

    In still air a plane has air speed 300km/h and flies on a bearing of 110 degrees. If the wind is blowing at a speed of 100km/h from a bearing of 60 degrees, find the actual velocity of the plane.

    asked by Bafhenyi on August 19, 2012
  30. physics

    Which of the following statements is not true? a)the horizontal component of velocity cannot be larger than the total velocity b)the vertical component of velocity cannot be larger than the total velocity c)Neither horizontal nor vertical components of

    asked by Tammy on October 15, 2007
  31. geometry

    Is it always true, sometimes true, or never true that two complementary angles have a common vertex?

    asked by Lisa on May 28, 2010
  32. trig

    If a and b are the measures of two first quadrant angles and sin a = and sin b = , find sin (a + b).

    asked by RonNika Owens on December 14, 2010
  33. maths

    A clothing firm determines that in order to sell x suits, the price per suit must be p = 150 - 0.5x. It also determines that the total cost of producing x suits is given by C(x) = 4000 + 0.25x^2. a. Find the total revenue R(x). b. Find the total profit

    asked by shila on October 23, 2007
  34. Health

    how does a disabled wheelchair person cook? use the bathroom? take a shower? and stuff a normal person does in thier everyday life

    asked by Health on April 10, 2013
  35. physics

    Two identical 1.60 {\rm kg} masses are pressed against opposite ends of a spring of force constant 1.85 {\rm N}/{\rm cm}, compressing the spring by 25.0 {\rm cm} from its normal length.

    asked by Anonymous on December 23, 2011
  36. College Stats

    Suppose that two random variables X1 and X2 have a bivariate normal distribution, and Var(X1) = Var(X2). Show that the sum X1+X2 and the difference X1− X2 are independent.

    asked by Sophia on January 24, 2017
  37. statistics

    For a normal distribution (symmetrical), a value that is two standard deviations below the mean would be closer to which of the following? Select one: a. 89th percentile b. Third Quartile c. Third percentile d. Median

    asked by Anonymous on October 25, 2014
  38. health supports

    normal motion of the sacroiliac joints is a ? A.hinge action B.gliding action C.rotation D.slight flexture my answer is d

    asked by susue on July 17, 2013
  39. Pre calc

    A set of 500 values has a normal distribution. The mean of the data is 24 and the standard deviation is 2. Find the range about the mean which includes 50% of the data.

    asked by Brandon on November 5, 2012
  40. math

    the iq score of employee in a firm follow a normal distribution. if the mean is 90 and standard deviation is 13. what percentage of score lies between 64 and 116?

    asked by ram on February 12, 2016
  41. college

    Determine the flux through a circular coil (diameter = 8.2 cm) when the magnetic field is 1.5 T and is oriented at 32.6 degrees with respect to the coil's normal.

    asked by Alex on April 14, 2010
  42. dynamics

    the normal acceleration of a particle on the rim of a pulley 10 ft in diameter is constant @ 8000 ft/s^2. determine the speed of the pulley in rpm

    asked by fatz on February 25, 2013
  43. Physics

    An example of a force which acts at a distance is a) tension b) weight c) friction d) normal force Isn't the answer c) the further an object goes the more resistance?

    asked by Tammy on October 3, 2007
  44. Health

    Individuals suffering from anorexia suffer extreme weight loss, usually _____ below the person's normal body weight 5% 8% 10%**** 15%

    asked by Jacob on May 7, 2016
  45. stats

    Suppose for a given group of people, the mean height is 5.5 ft with a standard deviation of .25 ft, and let the data fall under a normal distribution.What percentage of the group is between 5 ft and 5.75 ft?

    asked by yvonne on May 15, 2017
  46. dynamics

    at the bottom of a loop the speed of an airplane is 400 mph. this causes a normal acceleration of 9 g ft/sec^2, determine the radius of the loop

    asked by aaa on April 27, 2012
  47. Chemistry

    How does one calculate the pH of a solution that is only 1.84% ionised? determine the concentration of the H+, which will be in a monoprotic acid, concentration * decimal percent. then determing pH in the normal way.

    asked by Fiona on May 21, 2007
  48. Stats

    With normal approximation method and technology, is it necessary to use the one sample z test for proportion for large sample sizes instead of the binomial formula?

    asked by Joan on April 1, 2011
  49. math 100

    The equation for the standard normal curve is an exponential equation: y = e−x2/2 2π Evaluate this formula for x = −4, −3, . . . , 3, 4. (Round your answers to five decimal places.)

    asked by ryan on November 9, 2018
  50. statistics

    In a normal distribution with the mean being 500 and the standard deviation being 100, what raw score separates the top 40% of a distribution from the rest?

    asked by Jessica on July 30, 2012
  51. Maths

    9 is a very strange digit. Try to use four nines 9999 and normal operations plus minus multiply divide brackets etc, use 4 nines to make 20

    asked by Tim on September 14, 2013
  52. chemistry

    Why would it not be useful to just use pure ethanol or pure ethylene glycol as an antifreeze since their normal freezing points are -114.1 C abd -12C respectively.

    asked by redgy on February 14, 2011
  53. statistics

    In a normal distribution with the mean being 500 and the standard deviation being 100, what raw score separates the top 40% of a distribution from the rest?

    asked by Jessica on July 30, 2012
  54. chemistry

    The vapor pressure of dichloromethane, , at 0 is 134 . The normal boiling point of dichloromethane is 40. . Calculate its molar heat of vaporization

    asked by josie on January 21, 2010
  55. statistics- normal approximation

    find the normal approximation for the binomial probability that x=5, where n=12, and p=0.7. compare this probability to the value of p(x=5). * the only thing that i have come up with is that value of p(x=5) is o.29 when looking it up on the table. how

    asked by mary- where do i begin on October 28, 2010
  56. Calculus-PLZ help!

    Given u=3i-2j+k,v=2i-4j-3k, w=-i+2j+2k, 1 Find a unit vector normal to the plane containing v and w. 2 Find the volume of the parallelepiped formed by u, v, and w. 3 Are any of these vectors parallel? Orthogonal? Why or why not?

    asked by Liz on May 13, 2013
  57. statistics

    A random sample of 10 observations has been drawn from a normal population, and the sample variance is found to be s² = 19.5. Determine the 98% confidence interval for ó².

    asked by Laura on August 13, 2009
  58. chemistry

    molecular wt of glucose is 180.14g/mole. What is the quanity of glucose in a 500mL IV solution of a 5% dextrose normal saline contain?

    asked by Anonymous on July 1, 2014
  59. math

    he pie chart below shows how the total annual income for a certain family is spent. If the amount budgeted for Housing and Insurance combined is 42,000, what is the total family income? there is saving 8%, food 19%, clothing 18%, auto 12%, entertainment

    asked by mary ann on January 15, 2015
  60. Physics

    You pull on a wagon resting on the sidewalk. What will happen next? The wagon moves because you apply more force to the wagon than it applies to you. The wagon doesn’t move because the force you apply to the wagon is equal to the force it applies to you:

    asked by BlessedGalPal on October 8, 2018
  61. math

    How would you set up an equation to solve this problem? A clown weighs 60 lbs more than a trapeze artist. The trapeze artist weighs two thirds as much as the clown. How much does each weigh? Choices for the weight of the trapeze artist are: 110, 120, 125

    asked by kelley on September 8, 2016
  62. Chemistry

    Suppose that you had a mercury-in-glass thermometer marked and calibrated to measure temperatures from -10 degrees celsius to 110 degrees celsius and you wished to measure a temperature of approximately 115 degrees celsius accurately. How might you use

    asked by Chris on November 2, 2010
  63. Math

    What is the value of the missing angle? 720 120 128 138 There's a hexagon and the angles are 152 degrees 85 degrees 125 degrees 135 degrees and another 85 degrees

    asked by MyNameIsNunya on April 12, 2018
  64. math word problem

    Read the following story about the TV weatherperson and identify as many places as possible that the weatherperson could use addition or subtraction of integers to answer her questions. Write and solve the number sentences she could use. Ms. Cloudcover,

    asked by Anonymous on July 1, 2009
  65. Physics

    A Football player on team a is movin gat a velocity of 8ms at an angle of 49 below the x axis. He collides with a player on team B, The Player B is moving at 7.5ms at an angle of 41 below the X and has a mass of 110KG after the collision both players

    asked by Alex on July 30, 2012
  66. Physics... rotation

    A constant force of 40 N is applied tangentially to the rim of a wheel with 20 cm radius. The wheel has a moment of inertia of 30 kg m2. Show that the angular acceleration of the wheel is 0.27 rad s-2

    asked by Kimora on November 14, 2008
  67. Physics :)

    An object has a moment of Inertia of 300 kgm^2. A torque of 94 Nm is applied to the object. What is the angular acceleration of the object? Can someone please explain this to me and help me find the correct answer?! Thank you! :)

    asked by Savannah on April 13, 2013
  68. phy

    A 12N force is applied to a 20kg door If a frictional torque is present what will be the angular acceleration of the door The door is 80cm wide and I=1/3ml^2.

    asked by ami on October 23, 2010
  69. Physics

    A speed trap is set up with two pressure-activated strips placed across a highway, 110 m apart. A car is speeding along at 33 m/s, while the speed limit is 21 m/s. At the instant the car activates the first strip, the driver begins slowing down. What

    asked by Sara on December 19, 2008
  70. physics

    If instead, the swimmer makes 30.5 laps in the same pool in 3 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed. -answer in km

    asked by lauren on January 22, 2012
  71. math

    Quadrilateral PQRS is a parallelogram. If adjacent angles are congruent, which statement must be true? A. PQRS is a square. B. PQRS is a rectangle. C. PQRS is an isosceles trapezoid. D. PQRS is a rhombus

    asked by y.m. on June 8, 2010
  72. maths

    Compass bearings of a carin are taken from two points A and B, 400 m apart, along a strsight north-south path, A being due north of B. the bearings of the carin from A and B are 110 degrees and 80 degrees, respectively. choose the two options which give

    asked by claire philips on May 12, 2007
  73. stats

    Education 25 t0 34 35 t0 54 55+ Total Did not complete high school 4,474 9,155 14,224 27,853 Completed high school 11,546 26,481 20,060 58,087 1-3 years of college 10,700 22,618 11,127 44,445 4 or more years of college 11,066 23,183 10,596 44,845 Total

    asked by Anonymous on February 7, 2009
  74. Social studies

    Does having an unusual name, such as Chastity, Englebert or Moon unit, have an effect on how a child develops? The results of some previous studies agrees with the commonsense idea that such as name could cause a child to be rejected or ridiculed and thus

    asked by anonymous on April 13, 2017
  75. psy - revise please

    By the time people reach young adulthood, they have an idea of what causes them stress. The text discusses several sources of stress. What sources of stress did the text identify of which you were previously unaware? Has your reading helped you identify

    asked by rose-Ms. Sue on April 22, 2008
  76. Statistics

    Profitability remains a challenge for banks and thrifts with less than $2 billion of assets. The business problem facing a bank analyst relates to the factors that affect return on assets(ROA), an indicator of how profitable a company is relative to its

    asked by Julie Nessa on December 9, 2016
  77. physics

    A football kicker can give the ball an initial speed of 25m/s. What are the greatest and least elevation angles at which he can kick the ball to score a field goal from a point 50m in front of goalposts whose horizontal bar is 3.44m above the ground?

    asked by john on April 30, 2015
  78. Physics

    If five forces act towards the same point on a body at angles of 60, 120, 180, 240 and 270 degrees and their respective magnitudes are 60N, 40N, 30N, 25N and 20N. Determine whether this system of forces is in equilibrium; find the resultant.

    asked by Chinedu on March 3, 2010
  79. maths

    by selling at 77% some 9/4%shares of face value 100 and investing the proceeds in 6% shares of face value 100, selling at 110 a person got profit of 117. how many shares did he sell?

    asked by aarathy on February 27, 2016
  80. physics/calc

    An anchor weighing 110 lb in water is attached to a chain weighing 2 lb/ft in water. Find the work done to haul the anchor and chain to the surface of the water from a depth of 35 ft.

    asked by j on March 22, 2014
  81. geometry

    Please refer to the following photo to answer this question: screenshotsfirefoxcom/0F0pXhMjyyk0fnnP/brilliantorg A kite is divided into four regions by two line segments that connect the midpoints of opposite sides. Is the total blue area equal to the

    asked by unowen on November 22, 2017
  82. Physics

    In a game of American football, a quarterback takes the ball from the line of scrimmage and runs backwards for 10 yards, and then sideways to the left, parallel to the line of scrimmage for 15 yards. At this point, he throws a forward pass at the angle of

    asked by John on February 3, 2012
  83. Biology

    If two people with normal vision have a daughter can she be colorblind? I tought that the answer would be no because it is sex linked and the second X in women makes up for the X that is colorblind that she might have but what if they are both carriers of

    asked by Ayeisha on May 10, 2007
  84. Statistics

    In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. More than a decade ago, high levels of lead in the blood put 87% of children

    asked by Leatha on March 11, 2015
  85. Geometry

    A child on top of a lighthouse observes two ships that are 90 ft apart from each other. The angles of the depression of the two ships are 34º and 20º. How far is the closest ship from the base of the lighthouse? I'm sorry, I would show my work, I just

    asked by Katie on February 3, 2015
  86. math

    An observer in a lighthouse 48.8 m above sea level saw two vessels moving directly towards the lighthouse. He observed that the angles of depression are 42 and 35 degrees. Find the distance between the two vessels, assuming that they are coming from the

    asked by Daniela on February 20, 2017
  87. Math

    Determine how many triangles can be drawn. Calculate, then label, all side lengths to the nearest tenth and all interior angles to the nearest degree. a= 2.1 cm, c= 6.1 cm,

    asked by Jeremy on March 29, 2015
  88. Trigonometry

    A triangle has two angles, one 90 degrees, the other (between adjacent and hypotamuse) 26 degrees, and a hypotamuse of 10ft. Find the opposite side's length. Hint: use sine. I think I'm supposed to do 10(sine26), but the answer isn't right. What am I

    asked by DeeDee on September 7, 2013
  89. geometry

    A child on top of a lighthouse observes two ships that are 90 ft apart from each other. The angles of the depression of the two ships are 34º and 20º. How far is the closest ship from the base of the lighthouse? I'm sorry, I would show my work, I just

    asked by Katie on February 3, 2015
  90. alg 2

    evaluate cot 11 pie/6 to the nearest hundred angle given in radians.. is there a way to put this in calculator. another ? use a calculator and inverse function to find radian measures of the given angle angles whose tangent is 4.21 is that 1.34 the answer?

    asked by jerson on June 10, 2008
  91. Physics

    Two vectors F1 and F2 with magnitude F1=42N and F2=70N and where angle1=83 and angle2= 300. The angles are measures from the positive x axis with the counter-clockwise angular direction as positive. What is the magnitude of the resultant vector where

    asked by Melissa on November 19, 2015
  92. Geometry

    Help! I'm so confused :( 1. Supply the missing reasons to complete the proof. Given: angle Q is congruent to angle T and line QR is congruent to line TR Prove: line PR is congruent to line SR Statement | Proof 1. angle Q is congruent| 1. Given to angle T

    asked by Anonymous on December 18, 2017
  93. Chemistry

    Sorry for postiong twice. But I really need to know if the answers I am getting are correct; Nitrogen and oxygen react to produce nitric oxide according to the following equation: N2 (g) + O2 (g) → 2 NO (g) The equilibrium constant for this reaction is

    asked by John on March 10, 2018
  94. Microeconomics

    When agricultural production increases , the total amount paid for agricultural products tends to a. increase because demand is price elastic b. decrease becasue deamn is price elastic c. increase because demand is price inelastic d. decrease because

    asked by Karinna on March 14, 2009
  95. Chemistry

    Need help with #2 & # 3 1. Record the pairs of data for pressure (atm) and volume (mL). Pressure(atm) Volume(mL) 1.000 150 mL 1.154 130 mL 1.364 110 mL 1.667 90 mL 2. Does your experimental data verify Boyle's Law? Explain. 3. What pressure would the gas

    asked by Ashley on May 14, 2010
  96. math plz

    A sales manager was given a bonus of $6,350 on the year's sales of $440,000. When answering the following questions, please make sure your final answers are in percentage form and are accurate to 2 decimal places. For example 34.56%. a) What was the bonus

    asked by suvi on February 8, 2010
  97. Math sin/cos

    On a piece of paper draw and label a right triangle using the given sides, solve for the unknown side and write the trigonometric functions for angles A and B, if a=5 and c=7. I already found side b which equals 2 sqrts of 6. Now I need to find the sin/cos

    asked by Anonymous on March 10, 2007
  98. physics

    A racing car, starting from rest, travels around a circular turn of radius 28.9 m. At a certain instant, the car is still accelerating, and its angular speed is 0.421 rad/s. At this time, the total acceleration (centripetal plus tangential) makes an angle

    asked by LostInLouisiana on October 26, 2010
  99. chemistry

    The total acidity in water samples can be determined by neutralization with standard sodium hydroxide solution. What is the total concentration of hydrogen ion, H+, present in a water sample if 300. mL of the sample requires 7.5 mL of 2.8 10-3 M NaOH to be

    asked by lyne on March 27, 2009
  100. physics

    A race car, starting from rest, travels around a circular turn of radius 20.8 m. At a certain instant, the car is still accelerating, and its angular speed is 0.515 rad/s. At this time, the total acceleration (centripetal plus tangential) makes an angle of

    asked by Katie on March 17, 2012