1. computer science

    • Explain, in a 350- to 700-word paper, each of the 12 principles of information security and how each can be applied to real-life situations. Include an explanation of the four types of security policies

    asked by john on September 5, 2010
  2. physics

    an aluminium of mass 2.1 kg rests on a steel platform. A horizontal force of 15N is applied to block(a) given the coefficient of limiting friction is 0.61 will the block move? (b)if it moves what will be its acceleration?

    asked by Maryam on January 21, 2014
  3. Physics 6A

    A 0.140- baseball traveling 34.0 strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 12.0. What was the magnitude of the average force applied by the ball on the glove?

    asked by Daisy on April 26, 2012
  4. PHYSICS

    A constant torque of 30m⋅N is applied to the rim of a 6.0-kg uniform disk of radius 0.20m .What is the angular speed of the disk about an axis through its center after it rotates 2.0 revolutions from rest?

    asked by dan on June 3, 2015
  5. Math

    1. P5 is an innerproduct space with an inner product. We applied the Gram Schmidt process tot he basis {1,x,x^2,x^3,x^4} and obtained the following as the result {f1,f2,f3,f4,x^4+2}. a. What is the orthogonal complement of P3 in P5 with erspect to this

    asked by Scott on April 13, 2012
  6. chemistry

    If the breakdown half-life of a pesticide applied to a farmer’s field is 3.50 days, then what is the rate constant for this reaction? Assume the degradation reaction follows first order kinetics. The units are 1/d.

    asked by danny on February 14, 2015
  7. physics

    A 0.500 kg block is being slid, vertically up the chalkboard with an applied force of 6.00 N [upwards] and 2.00 N [inwards] (into the boards). If the coefficient of sliding friction is 0.400, calculate the accel of the block.

    asked by mouse head on December 17, 2012
  8. Science

    Explain the motion of a baseball and the forces acting upon it as it leaves the pitcher’s hand and travels toward the batter at home plate. Identify the term applied to this type of motion.

    asked by Jenny on January 12, 2015
  9. calculas

    A car braked at a constant deceleration of 45 ft / s2, producing a skid mark measuring 105 feet before coming to a stop. How fast was the car travelling when the brakes were first applied?

    asked by jordan on December 4, 2011
  10. physics

    The bolts on the cylinder head of an engine require tightening to a torque of 63 . If the six-sided bolt head is 15 in diameter, estimate the force applied near each of the six points by a socket wrench.

    asked by cara on April 19, 2011
  11. Dynamics

    A car is traveling at a speed of 80 km/h when the brakes are suddenly applied, causing a constant deceleration of 3.24 m/s2. Determine the time required to stop the car and the distance traveled before stopping

    asked by simon on November 16, 2016
  12. physics

    A volume Vi = 23.1 L of air at temperature T = 21 ¢XC is compressed at constant temperature to a volume Vf = 7.7 L. The relative humidity of the air before compression is R = 56.4 %. Saturated water vapour in air at this temperature has a vapour pressure

    asked by Sarah on March 29, 2011
  13. math (stats)

    Find the z scores that separate the middle 59% of the distribution from the area in the tails of the standard normal distribution.

    asked by bee on October 12, 2015
  14. physics HELP

    Im having problems getting the magnitude of the force in the problem i asked below i got the frictional and normal force please help me put these equations together

    asked by Anthony on October 31, 2012
  15. physics

    Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

    asked by Phil on May 30, 2012
  16. statistics

    Given a normal distribution of scores with a mean of 100 and a SD of 10, compute z scores for the following raw valves: 95, 115, 80, 130.

    asked by Anonymous on November 13, 2011
  17. Geometry

    P(2ap, ap^2) is a any point on the parabola x^2=4ay other than its vertex. The normal at P meets the parabola again at Q. Find the coordinates of Q.

    asked by Shanu on January 24, 2015
  18. Science

    When a silvery powdery substance was added to boiling beans,the beans get cooked quicker than normal. what may this be?

    asked by Jonathan on March 10, 2017
  19. Health

    What is an example of having a poor diet? A. Making unhealthy food choices B. Not eating enough C. Not eating on a normal schedule D. All of the above I think it's D.

    asked by Brandon on August 22, 2013
  20. physics

    A 5.6 kg bag of groceries is in equilibrium on an incline of 32. The acceleration of gravity is 9.81 m/s2 . What is the magnitude of the normal force on the bag?

    asked by newtothis on September 25, 2011
  21. physics

    A 31.0 kg object slides down a slope which is inclined at an angle of 20.0o to the horizontal. What is the normal force exerted by the slope?

    asked by Nick on October 28, 2011
  22. statistics

    Build a 95% confidence interval for the mean of the population from the given sample data. Assume that the population has a normal distribution. 16.4, 15.7, 16.2, 15.8 17.1 15.8, 15.9, 16.0, 16.4 15.0

    asked by Jessica on June 22, 2011
  23. physics

    Which of the following is correct for the reflected ray if a light ray strikes a plane mirror at an angle of 50° from the normal?

    asked by Tam on January 1, 2016
  24. physics

    A 5.7 kg bag of groceries is in equilibrium on an incline of angle θ = 16°. Find the magnitude of the normal force on the bag.

    asked by Anonymous on October 20, 2013
  25. statistics

    If random samples, each with n = 36 scores, are selected from a normal population with m = 80 and s = 18, how much difference, on average, should there be between a sample mean and the population mean?

    asked by Anonymous on October 19, 2010
  26. mathematics

    The plane curve is given by the equation R(t)= ( ln sin t)i + ( ln cos t)j. find the unit normal vector to the curve t= ¤Ð/6.

    asked by sibongile on June 27, 2014
  27. math

    Suppose x has a binomial probability distribution with n = 200 and p = 0.60. Use the normal approximation to the binomial to find P (X > 130).

    asked by Bill on November 18, 2015
  28. Physics-Check

    A missile launches at a velocity of 30.0 m/s at an angle of 30.0* to the normal. What is the maximum height the missile attains? (((30)*cos(30))^2)/(2*9.8) )

    asked by LeRoy on April 10, 2009
  29. Physics

    A ray of light in air has an angle of incidence to the normal of 45° into a piece of glass (1.5). What is the angle of refraction?

    asked by Arnold on March 6, 2013
  30. statistics

    for a certain psychiatric evaluation z scores above 2.18 and below -2.33 are considered abnormal. what is the probability that a person evaluated by this will be considered normal?

    asked by alex on December 11, 2011
  31. Stats

    Find the 95 percent range for the sample mean, assuming that each sample is from a normal population. a. ì = 200, ó = 12, n = 36 b. ì = 1,000, ó = 15, n = 9 c. ì = 50, ó = 1, n = 25

    asked by Kevin on April 18, 2014
  32. physics

    A 15.7 kg block is at rest on a ramp, whose angle is 12.1 degrees from the horizontal. How much Normal Force is acting on the block?

    asked by Anonymous on March 14, 2014
  33. community psycology

    When Bullying Turns Deadly: Can It Be Stopped? Thesis: To me, it was normal because that's what I was used to. This was in an article was wondering if the thesis is good

    asked by Ann on September 9, 2015
  34. stat in psyc

    A normal distribution has µ = 80 and standard deviation = 10. What is the probability of randomly selecting a score greater than 90 from this distribution

    asked by shauna on March 3, 2013
  35. statistics

    Suppose you have a data set that is normal and with a mean of 78 and a standard deviation of 9. Within what range would you expect to fine 95% of the data?

    asked by Razz on December 13, 2010
  36. psyc

    A normal distribution has µ = 80 and standard deviation = 10. What is the probability of randomly selecting a score greater than 75 from this distribution?

    asked by shauna on March 3, 2013
  37. Physics

    A 4.3 kg bag of groceries is in equilibrium on an incline of angle θ = 30°. Find the magnitude of the normal force on the bag.

    asked by Josh Templin on January 12, 2013
  38. health

    What is an example of having a poor diet? A. Making unhealthy food choices B. Not eating enough C. Not eating on a normal schedule D. All of the above

    asked by Anonymous on September 18, 2013
  39. physics

    A 4.9 kg bag of groceries is in equilibrium on an incline of angle è = 26°. Find the magnitude of the normal force on the bag.

    asked by BC on January 3, 2012
  40. Physics

    Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

    asked by Zach on May 29, 2012
  41. statistics

    Find the Z-score that separate the middle 63% of the distribution from the area in the tails of the standard normal distribution

    asked by sue on April 19, 2015
  42. Physics

    A 22 kg crate is moving horizontally on the floor at a constant speed. Find the normal force on the crate.

    asked by MCPHS on June 13, 2016
  43. math

    I have 220 coins half of them are pennies and the rest are dimes the total value of the coins is $9.58 what is the total value of the dimes

    asked by jaron on February 19, 2014
  44. math

    How do I figure this: A lunch bill is unknown. J has $8.00; not enough for the total bill. H. pays 3/5 of the bill. How much does H. pay? What's the total bill?

    asked by sam on January 3, 2012
  45. Science ONE QUESTION!

    Suppose the total momentum of two masses before a collision is 100 k m/s. what is the total momentum of the two masses after they collided.

    asked by <3 <3 on October 22, 2014
  46. math

    A farmer had a total of 22 men and horses living on it. There were a total of 72 legs. How many men and how many horses were present?

    asked by Irelia on September 26, 2011
  47. Math

    The first lap of an auto race is 2000 meters. This 5% of the total race distance. What is the total distance?

    asked by Karen on April 5, 2012
  48. business

    I4-1: An inexperienced bookkeeper for the Soggy Ground Construction Company has prepared the following balance sheet. Soggy Ground Construction CompanyBalance SheetFor the Year Ended December 31, xxxx Current Assets Cash $149,500 Accounts receivable (net)

    asked by shirley on June 21, 2010
  49. Business

    Robert recently was hired as a technician in the firm. He is being paid $1,250 every two weeks ( after taxes). His monthly bills are: Rent: $900 electricity: $110 car payment: $350 car insurance: $60 fuel for cars: $90 groceries: $180 credit cards: $250

    asked by John on August 30, 2012
  50. biochemistry

    substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of

    asked by greg on October 1, 2013
  51. chemistry science

    substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of

    asked by greg on October 1, 2013
  52. Chemistry

    I need to find heat of vaporization. The liquid starts to vaporize at 110 degrees C and there is 10 g of the liquid. I don't think it matters but it is heated at 60 kj/minute. Would it just be amount multiplied by the temp when it starts to vaporize? I

    asked by jp on February 19, 2010
  53. Calculus Help

    Based on the following table of values for the function w(t), answer the questions below. t= 100 110 120 130 140 150 w(t)= 2.6 7.3 12.7 19 26.1 34.1 a) Which of the following best describes the derivative of w(t)? A. changes sign B. always positive C.

    asked by Nat on July 3, 2014
  54. physics

    A container holds 1.1 g of oxygen at a pressure of 7.40 atm . How much heat is required to increase the temperature by 110 degree C at constant pressure? How much will the temperature increase if this amount of heat energy is transferred to the gas at

    asked by Kidda on April 6, 2010
  55. physics

    A house at the bottom of a hill is fed by a full tank of water 5.0 m deep and connected to the house by a pipe that is 110 m long at an angle of 58° from the horizontal (Fig. 13–48). (a) Determine the water gauge pressure at the house. (b) How high

    asked by emy on November 6, 2013
  56. Algebra

    one side of a triangle is 3 inches shorter than twice the length of the shorest side. the third side is 5 inches longer than the shorest side. if the perimeter is 110 inches, find the lengths of all three sides

    asked by Anonymous on September 1, 2011
  57. math for elementary teachers

    Suppose that carpeting cost $12.36 per square yard at a carpet store. what will be the cost to carpet a conference room if the rooms dimensions are 110 ft by 42 ft. (the conference room should seat 380 people using 6' diameter tables each seating 10

    asked by brittney on March 19, 2012
  58. physics

    How much power is required to do 110 J of work on an object in a time of 0.4 s? W How much power is required if the same work is done in 5 s? W

    asked by james on January 23, 2012
  59. Math

    I am a little confused with this trigonometry question. It says that sin0=O. I understand that because It says sin it means quadrant 1 and 2. The possible answers are 0, 90, 180, and 270. I know 270 is not correct but the others are confusing me. Angles 0,

    asked by Ineedhelp on January 21, 2018
  60. math

    an aircraft with an airspeed of 295km/hr is heading south. wind blowing from East at 30km/hr is against the aircraft. 1) sketch the information clearly showing all angles and vectors. 2) calculate the resultant speed and direction of the aircraft

    asked by stormy on November 3, 2015
  61. physic

    A rod is 2.40 m long and has a diameter of 2.50 mm. A force of 2000 N is applied to the end to stretch the rod by 1.40 mm. What is the tensile modulus for this rod?

    asked by ngeyoo on April 16, 2016
  62. Science

    Body of mass 10 kg is at rest on a horizontal surface. A force of magnitude 10 N is applied to the body for 10 s. What is the final speed of the body?

    asked by Moonblood on February 7, 2017
  63. physics

    A capacitor acquires 0.002 coulomb when 50 volts is applied. Its capacitance is a. 0.4 microfarad b. 4.0 microfarads c. 40.0 microfarads d. 400.0 microfarads

    asked by Isaac Pavlov on March 31, 2016
  64. physics

    a net horizontal force of 7000N is applied to a car which is at rest.the weight of the car is 90000N. what will be the speed of the car after 10 second?

    asked by sugin on March 31, 2012
  65. basic science

    if a force of 140 neaten is applied by a car over a distance of 10 metre within 10 second, calculate. (i) work done by the car. (ii) power of the car.

    asked by victor on April 28, 2012
  66. kashinath palod

    an object of mass 3 kg is at rest. Now a force of vectorS = 6t2^i + 4tj^ is applied on the object then velocity of object at t = 3 sec. is?

    asked by dnyanada on July 7, 2016
  67. math

    can someone show me how to solve this problem. It determines that in order to sell x smartphones, the price per product must be p=280-0.4x. It also determine that the total cost of producing x smartphones is given by C(x)=5000+0.6x. a. Find the total

    asked by ifi on December 10, 2012
  68. High School Physics

    The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

    asked by . on October 25, 2012
  69. High School Physics

    The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

    asked by Anonymous on October 25, 2012
  70. High School Physics

    The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

    asked by . on October 25, 2012
  71. math

    provide a counterexample to show that each statement is false. a) if a four sided figure has four congruent sides, then it has for right angles. at first i thought of a trapezoid proves that wrong but then i remembered only 2 sides have to be congruent for

    asked by Maryanne on September 1, 2010
  72. math

    A disc-shaped spinner has five sections with the following colors and central angles: Blue, 60; Red, 120; Green, 45; Red, 45; and Yellow, 90. Determine the probability for one spin of the spinner. P(B U G)

    asked by Tina on February 10, 2013
  73. trigonometry

    A line AB, 125 feet long, is measured along the sraight bank of a river. A point C is on the opposite bank. Angles ABC and BAC are found to be 65° 40' and 54° 30' respectively. How wide is the river?

    asked by shyiah on October 4, 2015
  74. Trigonometry

    I'm having trouble figuring this out. An airplane has an airspeed of 160 mph. It is to make a flight in a direction of 80° while there's a 20 mph wind from 310°. What will the airplane's actual heading be? I'd appreciate any help especially on how you

    asked by Shannon on July 27, 2017
  75. Trigonometry

    I'm having trouble figuring this out. An airplane has an airspeed of 160 mph. It is to make a flight in a direction of 80° while there's a 20 mph wind from 310°. What will the airplane's actual heading be? I'd appreciate any help especially on how you

    asked by Shannon on July 27, 2017
  76. precalculus

    Forces with magnitudes of 250 pounds and 130 pounds, act on an object at angles 45°and -61° respectiviley , with the positive axis. Find the direction and magnitude of the resultant of these forces.

    asked by Aaaron on November 26, 2016
  77. pre-calc

    two observers 3 miles apart and facing each other find that the angles of the elevation of a balloon in the same vertical plane with themselves are 28degree and 31 degree respectively.find the distance from the balloon to the observer located at the 31

    asked by Haley on November 6, 2012
  78. Chemistry

    Did I answer these correctly? 1. What is the total number of principal energy levels or shells in an atom with an atomic number of 30? a. 3 b. 4 c. 5 d. 6 I choose b. 2. The electron configuration of an atom in the ground state is 2-4. The total number of

    asked by timmy123 on October 16, 2010
  79. 2math

    n January, a company named ACME had 100 employees. In February they lost 15 employees, and in March the company hired 25 new employees. How many employees were working for ACME at the beginning of April? 100 105 110 115

    asked by annie on September 30, 2014
  80. geometry

    If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area of the triangle?

    asked by Linda on February 10, 2011
  81. algebra

    The measurement of two angles of a triangle are 44 degrees and 56 degrees. Find the measurement of the third angle. Show your work

    asked by Alexius on December 1, 2012
  82. Maths urgent

    One regular polygon has twice as many sides as another. If the ratio of the interior angles of the first to that of second is 5:4, find the number of sides in each polygon?

    asked by Rabinprakash Dahal on September 13, 2015
  83. math

    A pentagon has a perimeter of 60 inches, a side measures 12 inches. what is the sum of the measures of the interior angles.

    asked by a parent on February 20, 2017
  84. algebra

    The measurement of two angles of a triangle are 39 degrees and 70 degrees. Find the measurement of the third angle. Show your work

    asked by Alexius on December 1, 2012
  85. geomatry

    the measure of one angle of a linear pair is 3 thimes the measure of the other angle. find the measures of the two angles

    asked by jazz on October 18, 2011
  86. Act Question

    all distances are in feet and all are right angles. a straight line drawn from point w to point z would be how long in feet?

    asked by confused on January 7, 2012
  87. Algebra

    The interior angles of a regular polygon are all equal. What is the measure of each interior angle of an n-sided polygon? Thank you!

    asked by Cassie on March 10, 2009
  88. Math

    Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? A) The quadrilateral is a trapezoid. B) The quadrilateral is a rhombus. C) The quadrilateral has congruent diagonals. D) None of the above

    asked by Becca on October 29, 2009
  89. Pre-calculus

    What is the general expression in degrees for the measure of all angles coterminal with alpha when alpha=173 degrees?

    asked by Anonymous on May 12, 2013
  90. algebra

    The measurement of two angles of a triangle are 69 degrees and 34 degrees. Find the measurement of the third angle. Show your work

    asked by Alexius on December 1, 2012
  91. Maths

    The vertical angle of an isosceles triangle is twice the sum of the base angles. Find each angle of the triangle??

    asked by Aryan Goel on November 10, 2017
  92. Math

    suppose that a given quadrilateral is a kite with no right angles. which of the following is possible A: the quadrilateral is a rhombus B: the quadrilateral has congruent diagnols C: the quadrilateral is a trapezoid D: None

    asked by Anonymous on January 30, 2010
  93. algebra

    One of two complementary angles has a measure of 6º greater than the other. What is the measures of the larger angle? What is the measure of the smaller angle?

    asked by Anonymous on December 19, 2018
  94. physics

    A car travel a distance of 8 km frome P to Q then moves 6 km at right angles to PQ .Find its travel distance and displacement

    asked by ajay yadav on June 27, 2018
  95. Maths

    The longest side of a triangle measures 267m if two angles are 37 and 48 find the shortest side of the triangle

    asked by Israel on May 11, 2016
  96. Math

    The m angle is 30 times more than twice angle B. If angle A and angle B form a linear pair find the measurement of both angles.

    asked by N on September 8, 2013
  97. gr9math

    how many sides does a polygon have if the sum of its interior angles are a) 1080 b) 1260 How could i figure this out without being able to know how many sides the polygon has?

    asked by Rebecca on May 23, 2010
  98. Math

    If the ratio of a base angle and vertical angle of an isosceles triangle is 1:2 find the angles of the triangle

    asked by Niken on March 19, 2016
  99. Alegbra 1

    The difference between the measures of two supplementary angles is 8˚. What is the measure of the larger angle? What is the measure of the smaller angle?

    asked by Bill on December 15, 2017
  100. Algebra

    Charlie's wallet contains 3 ones, 2 fives, 2 tens, and 4 twenty dollar bills. ?Charlie randomly grabs a bill from his wallet, replaces it, and grabs another bill. What is the probability that the sum of the two bills is $25? Maybe 6/25 or 6/110. I am

    asked by Blake on May 23, 2016