1. physics

    Two military jets are engaged in a dogfight. The US plane is traveling at a velocity of 22 m/s east while the Russian plane is traveling at a velocity of 19.5 m/s west. When the US pilot reports spotting the Russian plane, how fast will it say the Russian

    asked by Anonymous on January 18, 2018
  2. Trigonometry

    Graph the function y=2sin(x-2pi/3). To draw the graph, plot all x-intercepts, minima and maxima within on period. I need to graph at least 5 points. I have -pi, 0, pi, 2pi, 3pi, and 4pi along the x-axis

    asked by Shelby on March 24, 2014
  3. marh

    Daryl reaned 426 points out of 500 points in English class. Which represent approximately represents Darl's points?

    asked by Brian on December 16, 2014
  4. chemistry

    I have my exam in a little over 7 hours...can anyone help explain how to draw atoms in the Bohr Rutherford and Lewis Dot methods, as well as how to draw them as compounds and ions? My friends are no help, nor is the internet. Please!

    asked by Sydney on June 21, 2012
  5. Geometry

    For each property listed from plane Euclidean geometry, write a corresponding statement for non-Euclidean spherical geometry. A line segment is the shortest path between two points Hey guys I want to know how to do this and can you help me with this

    asked by Anonymous on May 29, 2011
  6. Vectors

    Determine the vector equation of a plane that contains the line with symmetric equation (x+3)/-2=(y+1)/5=(z+2)/4 and the point P(1,3,0). For this question to find the direction vector you would use subtraction with the points (-3,-1,-2) and (1,3,0). Why

    asked by Sara on April 19, 2015
  7. Physics

    Cn u xplain the solutions steps by steps? Cz i really dnt understand wen i revise it nw. Tnxs u kindly. Two particles A & B are connected by a light inextensible string passing over a smooth pulley P. Particle A, of mass m, lies on a plane inclined at

    asked by Spirit on September 29, 2008
  8. Math 120

    In how many different ways (counting the orders) can the San Diego Chargers score exactly 10 points in a football game? Points are scored as follows: A safety scores 2 points, a conversion scores 2 points, a field goal 3 points, a touch down 6 points, and

    asked by larry on March 23, 2017
  9. ap calculus

    find the critical points, inflection points, the absolute minimum value of y, and the relative maximum points of y=x^4-3x^2+2

    asked by Thomas on May 29, 2012
  10. Mathematics

    A(-4,0) and (-1,4) are two given points.C and d are points which are symmetric to the given points A and B respectively with respect to Y-axis.Calculate the perimeter of Trapezium ABDC.

    asked by Chandraprakash on November 29, 2017
  11. MATHS

    A(-4,0) and (-1,4) are two given points.C and d are points which are symmetric to the given points A and B respectively with respect to Y-axis.Calculate the perimeter of Trapezium ABDC.

    asked by AYUSH on October 31, 2015
  12. Math

    You are working as an office apprentice for a collage. The collage is giving away free tickets to encourage more people to visit the amateur sport tournaments the collage is planning to host. Every time a customer purchases a ticket they are entered into a

    asked by Kiara on March 6, 2017
  13. math

    For what values of k does the line y= x + k pass through the circle defined by x^2 + y^2 = 25 at: 2 points? 1 point? 0 points? I found the discriminant: 100- 4k^2 but i don't know how to find for each of the points

    asked by Fred on March 26, 2015
  14. geo

    can u give me some points on against mosquito fogging because i am in green party i have this points: negative impact on environent human issue but i need two more points to discuss

    asked by anu on October 14, 2010
  15. Math

    For what values of k does the line y= x + k pass through the circle defined by x^2 + y^2 = 25 at: 2 points? 1 point? 0 points? I found the discriminant: 100- 4k^2 but i don't know how to find for each of the points

    asked by Ruth on March 26, 2015
  16. Physics

    This is the info for the problem: A block of mass M1 = 160.0 kg sits on an inclined plane and is connected to a bucket with a massless string over a massless and frictionless pulley. The coefficient of static friction between the block and the plane is ms

    asked by Lindsay on December 12, 2007
  17. Calculus

    Consider the solid that lies above the square (in the xy-plane) R=[0,2]*[0,2], and below the elliptic paraboloid z=100−x^2−4y^2. (A) Estimate the volume by dividing R into 4 equal squares and choosing the sample points to lie in the lower left hand

    asked by Salman on April 14, 2010
  18. physics

    A block weighing 11.05 N rests on a 28 degree incline. (a) Find the normal force exerted by the plane on the block out of the plane (b) Find the frictional force exerted by the plane on the block up the slope. c) Find the magnitude of the total force

    asked by Anthony on October 31, 2012
  19. Geometry

    I don't get these questions Is there exactly one plane containing two non intersecting lines? and if a line is perpendicular to a plane, is it perpendicular to every line in the plane?

    asked by Camile on May 15, 2011
  20. Algebra

    Graph the rational function x/(x-6) To graph the function, draw the horizontal and vertical asymptotes (if any) and plot at least two points on each piece of the graph.

    asked by Kenny on March 24, 2014
  21. Math

    Abia is one of three servers who work at a restaurant that is open from tuesday to sunday. Every week the servers randomly draw slips of paper from a hat to decide which two days they won't have to work, in addition to monday. What is the conditional

    asked by Polly on September 28, 2015
  22. Algebra 1B

    it took a small plane 3 hours more to fly 475 miles against the wind than it took the same plane to fly the same distance with the wind. the rate of the wind was 15 mph find the rate of the plane in calm air

    asked by April on May 24, 2012
  23. Physics

    A plane is capable of flying 200 km/h. There is a wind of 90 km/h from the east. The pilot flies in a northwest direction relative to the ground for three hours from city A to city B. Find the speed of the plane relative to the ground, the heading of the

    asked by Anna on November 19, 2012
  24. Physics

    A plane is capable of flying 200 km/h. There is a wind of 90 km/h from the east. The pilot flies in a northwest direction relative to the ground for three hours from city A to city B. Find the speed of the plane relative to the ground, the heading of the

    asked by Anna on November 19, 2012
  25. Math

    The distance from city A to city B is approx. 2160 miles. A plane flying directly to city B passes over A at noon. If the plane travels at 500 mph, find the rule of the function f(t) that gives the distance of the plane from city B at time t hours (with

    asked by Florrie on September 5, 2017
  26. physics

    A block is released on an inclined plane from a height of 1m. There is friction (static and kinetic =.4) and the mass of the block is 5 kg, the mass of the pulley is 1 kg and it has a radius of 5 cm. The slope of the incline is 30 degrees. Find the

    asked by Rachael on November 18, 2011
  27. math

    graphing in the coordinate plane unit test 3. which ordered pair is not a solution of y= -12x - 3 a.(-3,33) ***** b.(8,-98) c.(-9,105) d.(3,-39) 4.not posted 5. find the three solutions of the equation y = 7x - 5 a.(3,-26),(-1,-12),(3,16)

    asked by Pug lover on April 24, 2018
  28. Precalculus 11

    It takes an express train 1hr longer to travel 240km than it does for a small plane to travel the same distance. If the plane travels twice as fast as the train, how fast does the plane travel? This is an ex., they lay out online but I'm confused about how

    asked by Kayla on August 12, 2017
  29. Science

    An airplane's speed in still air is 240 km/h. (a) If the pilot wishes the resultant motion of the plane to be due north when a 60 km/h wind is blowing the plane due east, in what direction should the plane be headed? (b) What will then be the resultant

    asked by Adelinne on January 3, 2016
  30. Physics

    i saw this question from physics book, can someone please help me solve this.. thank you.. A man pulls a 500 Newton block up a plane inclined 300 with the horizontal with a force of 300 Newton parallel to the plane. What net force tends to pull the block

    asked by May on October 9, 2010
  31. Physics

    A 1.1 kg particle-like object moves in a plane with velocity components Vx = 30 m/s and Vy = 90 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular momentum relative to the origin at this moment? _____

    asked by COFFEE on March 30, 2007
  32. Algebra1 Word Problem HELP#2

    Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2^x and y = 4^x−2 intersect are the solutions of the equation 2^x = 4^x−2. (4 points) Part B: Make tables to find the solution to 2^x = 4^x−2. Take the integer

    asked by Tony K on July 30, 2017
  33. science

    i need to draw a picture of nitrogen as a person, with the amount of protons, neutrons, electrons and the atomic number, all of which are 7, corresponding to the head, body, arms and legs. any ideas on how to draw this?

    asked by lynn on February 21, 2010
  34. math

    light from point a makes an angle of 20 degrees to the horizontal plane. it is then reflected by plane mirror m. what is the reflected light s perpendicular to the horizontal plane.

    asked by kitty on February 6, 2013
  35. Math Word Problem

    In an NFL football game, the Bears scored a total of 41 poionts, including one safety (2 points) and two field goals (3 points each). After scoring a touchdown (6 points), a team is given the chance to score 1 or 2 extra points. The Bears, in trying to

    asked by Amy~ on September 19, 2010
  36. math

    Draw and label line QR. Draw point S on it.

    asked by Yinae on September 14, 2009
  37. Physics

    A light plane attains an airspeed of 491 km/h. The pilot sets out for a destination 785 km due north but discovers that the plane must be headed 20.5° east of due north to fly there directly. The plane arrives in 2.25 h. What was the magnitude of the wind

    asked by Nicole on January 26, 2013
  38. trig

    A plane is flying at an elevation of 30000 feet. It is within sight of the airport and the pilot finds that the angle of depression to the airport is 18. Find the distance between the plane and the airport. Find the distance between a point on the ground

    asked by tim on March 10, 2010
  39. Trig

    Two planes take off at the same time from an airport. The first plane is flying at 240 miles per hour on a bearing of S 45.0° E. The second plane is flying in the direction S 45.0°W at 290 miles per hour. What is the bearing of the second plane from the

    asked by Lindy on October 1, 2014
  40. Calculus

    Find a linear function whose graph is the plane that intersects the xy-plane along the line y=2x+2 and contains the point (1,2,2).

    asked by Brandon on September 17, 2012
  41. Physics

    Compared to a 400 kg plane flying at 5200 km/hr, how much momentum does a 2000 kg plane have at the same speed?

    asked by Shari on November 15, 2011
  42. physics

    the work needed to push something to the top of a frictionless inclined plane depends upon the plane's.....

    asked by regine on January 8, 2011
  43. Calculus

    Find an equation of the plane. The plane that passes through the point (−1, 2, 1)and contains the line of intersection of the planes x + y − z = 4 and 4x − y + 5z = 4

    asked by john on January 31, 2014
  44. calculus

    Find the point on the surface z = 2x2+xy+3y2 where the tangent plane is parallel to the plane 8x-8y-z=5.

    asked by RAJ on October 17, 2014
  45. Calculus

    Please verify the answers~ Thank you! 1. Which of the following is the x-intercept of the plane 2x-4z+1=0? a) P(2,0,-4) b) P(0,0,0) c) P(-1/2,0,0) d) P(0,0,1/4) Answer is C. 2. Which of the following is not a direction vector for the plane 3x-2y-z+4=0? a)

    asked by Antia on April 10, 2012
  46. Calculus

    Find a linear function whose graph is the plane that intersects the xy-plane along the line y=2x+2 and contains the point (1,2,2).

    asked by Brandon on September 17, 2012
  47. Science

    A coffin is given an initial speed of 4.4 m/s up the 17.8º inclined plane with a coefficient of kinetic friction of 0.4. How far up the plane will it go?

    asked by Rachel on October 16, 2013
  48. math

    sketch the plane x+2y-z=6. if you need help,find a third line by letting z=0 and then graph the resulting equation in the xy plane

    asked by rvb on August 13, 2014
  49. Calculus

    Find a linear function whose graph is the plane that intersects the xy-plane along the line y=2x+2 and contains the point (1,2,2).

    asked by Brandon on September 17, 2012
  50. plz help asap

    It will take an hour for plane A to meet plane B which is flying towards it. If, within 45 minutes, the distance between them will be 200 miles, how far apart are they now?

    asked by PLEASE HELP :) on May 20, 2016
  51. Physics PLEASE HELP

    A coffin is given an initial speed of 4.4 m/s up the 17.8º inclined plane with a coefficient of kinetic friction of 0.4. How far up the plane will it go?

    asked by Rachel on October 16, 2013
  52. statistics

    one of the points in a set of points if (4,8). What is the residual for this point if the equation of the regression line for these points is y=3.6+1.8x

    asked by Anonymous on October 29, 2015
  53. physics

    A plane traveling at 80 m/s lands on a runway and comes to rest after 10 seconds. What was the plane's deceleration

    asked by d mac on August 31, 2012
  54. Physics

    A plane with a mass of 4.50 x 10^3 kg accelerates on takeoff at 10.0 m/s2. What is the net force acting on the plane?

    asked by Sarah on May 9, 2017
  55. physics

    A crate is given an initial speed of 2.9 up the 29 plane shown in the figure . Assume = 0.13 how far up the plane will it go?

    asked by Anonymous on June 15, 2012
  56. calculus

    Find parametric equations for the line that is perpendicular to the plane 2x-y+3z=7 and intersects the plane when x=1 and y=1.

    asked by Zac on January 15, 2013
  57. Geometry

    Point P lies in plane M. How many circles are there in plane M that have center P and a circumference of 6π inches? a) none b) one c) two d) four e) more than four

    asked by Liv on July 7, 2010
  58. Calculus

    Find the scalar equation of a plane that is perpendicular to plane r=(-2,1,3)+s(0,1,1)+t(-1,0,3) and also intersects it along the line (x-3)/2=(y+1)/-3,z=1

    asked by Zac on July 29, 2014
  59. science

    what, if anything, happens to the speed of a fighter plane when it fires a cannon at an enemy plane in front of it?

    asked by tasha on February 19, 2007
  60. geometry

    Point P lies in plane M. How many circles are there in plane M that have center P and a circumference of 6ㅠ inches? a) none b) one c) two d) four e) more than four

    asked by Alice on July 11, 2010
  61. Phyisics

    If a toy plane was going 28 feet in five seconds. How fast was the plane going. If you could show me how you got the answer

    asked by Steve Allen on August 19, 2011
  62. math

    Point P lies in plane M. How many circles are there in plane M that have center P and a circumference of 6ㅠ inches? a) none b) one c) two d) four e) more than four

    asked by Kyle on July 11, 2010
  63. Physics 20

    A plane with a mass of 4.50 x 10^3 kg accelerates on takeoff at 10.0 m/s2. What is the net force acting on the plane?

    asked by Cassandra on May 5, 2017
  64. physical science

    If the mass of a plane is 2,500 kg and the net force on it is 14,000 N, what is the plane's acceleration?

    asked by Annabeth on May 14, 2013
  65. Math

    An aircraft pilot wishes to fly from an airfield to a point lying S20oE from the airfield. There is a wind blowing from N80oE at 45 km/h. The airspeed of the plane will be 550 km/h. (a) What direction should the pilot steer the plane (to whole degree)?

    asked by Jerome on October 2, 2018
  66. college math

    10. For questions 10-13, use the following data: 13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points: 5) 20 14 34.6 82 11. What is the range of the data? (Points: 5) 14 34.6 82 50 12. What is the variance of the data? (Points: 5)

    asked by Anonymous on November 7, 2011
  67. math

    10. For questions 10-13, use the following data: 13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points: 5) 20 14 34.6 82 11. What is the range of the data? (Points: 5) 14 34.6 82 50 12. What is the variance of the data? (Points: 5)

    asked by Anonymous on November 7, 2011
  68. math correction

    graphing : y = 3/4x +2 the points i have are: (-3, -1/4), (-2,1/2),(-1,1 and 1/4)0,2),(1, 2 and 3/4),(2, 3and 1/2)(3, 4 and 1/4),(4,5) Question: If you graphed this...did the points fall on the line? If they did, they have to be points on the line.

    asked by jasmine20 on January 14, 2007
  69. Math

    A plane has parametric equations x = 3 + 4t - s y = 1 + 2t z = 1 - 5t + 4s So we have to find the direction vector for the plane and I'm thinking it's (3,1,1). Can somebody please double check?

    asked by Anonymous on January 18, 2019
  70. Calc 3

    At what point on the paraboloid y = x2 + z2 is the tangent plane parallel to the plane 7x + 2y + 3z = 2? (If an answer does not exist, enter DNE.)

    asked by Becky on September 27, 2012
  71. Science

    A plane's average speed between two cities is 600 km/hr, if the trip takes 25hrs,how far does the plane fly?

    asked by Joan on January 22, 2019
  72. Science

    a plane traveling 70mph drops a stone and it lands on the ground 8 seconds later. how high up is the plane?

    asked by Savanah on November 10, 2009
  73. math

    an early flight lasted for 12 seconds. The plane flew 144 feet. What is the plane's speed in ft/s?

    asked by tanya on April 21, 2009
  74. Physics

    A pilot stops a plane in 484 m using an acceleration of -8 m/s2. How fast was the plane moving before the breaking began? Thanks.

    asked by Jake on February 15, 2010
  75. Science

    a plane traveling 70mph drops a stone and it lands on the ground 8 seconds later. how high up is the plane?

    asked by Savanah on November 10, 2009
  76. physics

    A plane is cruising at 155.00 km/h increases it speed to 285.1 km/h in just 11.5 s as it makes a dive. What was the acceleration of the plane? a = vf - vi / t

    asked by taylor on April 12, 2017
  77. Trigonometry

    11. If a navigation error puts a plane 2.5° off course, how far off course is the plane after flying for 2 hours at 152 miles per hour?

    asked by Mark on June 8, 2016
  78. math

    3.Graph the points A(–5, 0 ), B(–4, 3), and C(0, –4) on the same coordinate plane. 2. Without graphing, identify the quadrant in which the point (x, y) lies if x < 0 and y < 0. (1 point) 3.Determine which ordered pair is a solution of y = –5x + 10.

    asked by please please please help urgent on April 8, 2015
  79. AP Physics

    Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. The hanging block has a mass of 16 kg and the one on the plane has a mass of 8

    asked by Brianna on October 15, 2015
  80. calculus

    shortly after taking off, a plane is climbing at an angle of 30° and traveling at a constant speed of 640 ft/sec as it passes over a ground radar tracking station. At that instant of time, the altitude of the plane is 1000 ft. How fast is the distance

    asked by Anonymous on October 18, 2011
  81. phys

    1. A vector has (at minimum) how many parts associated with it? 2. When adding three vectors graphically one needs to: a. Spin each one like a spinner on a board game. b. Do nothing because more than two vectors cannot be added graphically c. draw all the

    asked by Jawad on August 29, 2005
  82. Algebra

    I have a graph here. The vertex is (4,-4), then the points (3,-3) and (5,-3), then the points on the x axis are (2,0) and (6,0), then the points (1,5) and (5,5). This is a parabola that opens up. I'm asked to write a function for f(x) in standard form. I'm

    asked by Student on February 26, 2014
  83. maths

    firstly we have been given the function y= x^3 - 4x whose graph we have to draw.then we are given the function y = (x-1)^3 -4(x-1) whose graph we have to draw as well.Now i know it is a transformation of the first graph,but i cant see how.Any help would be

    asked by shahrukh on December 17, 2006
  84. chemistry

    I've been doing organic chemistry and I don't really understand how to draw some isomers. I know how to draw the easier isomers like Butan-1-ol and Butan-2-ol but I don't get how there can be other ones and how to draw them...please help

    asked by Anonymous on June 21, 2008
  85. math, trigonometry

    a plane starts from a point P and flies 240km on a bearing of 120degrees to Q. At Q the plane makes a 90degree turn and flies back 100km on a bearing of 210degrees to R. At R the plane again changes direction and flies back to P. The direct distance, in

    asked by YaYeet on October 31, 2018
  86. physics

    A 75 kg pilot flies a plane in a vertical loop. At the top of the loop, when the plane is completely upside-down for an instant, the pilot hangs freely in the seat and does not push against the seat belt or seat. The airspeed indicator reads 120 m/s. What

    asked by leah on November 20, 2014
  87. math

    Hi I need help with this math problem: The plane that contains the points (8,3,1), (2,6,3), and (4,6,2) has an equation of the form ax + by + cz = d. Find coefficients for this equation, trying two different approaches to the problem. One method uses

    asked by jen on July 29, 2010
  88. algebra-word problem

    Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air. TIA

    asked by jen on March 23, 2008
  89. maths

    eight points lie on the circumference of a circle. one of them is labelled P. chords join some or all of the pairs of these points so that the seven points other than P lie on different numbers of chords. what is the minimum number of chords on which P

    asked by Jarin on July 22, 2007
  90. algebra

    Flying with the wind, a plane traveled 570 miles in 3 hours. Flying against the wind, the plane traveled the same distance in 5 hours. Find the rate of the plane in calm air and the rate of the wind. Rate of plane ______mph Rate of wind ________mph

    asked by Barb on December 6, 2014
  91. math

    Flying with the wind, a plane traveled 570 miles in 3 hours. Flying against the wind, the plane traveled the same distance in 5 hours. Find the rate of the plane in calm air and the rate of the wind. Rate of plane ______mph Rate of wind ________mph

    asked by Oshyanna on December 6, 2014
  92. math

    Flying with the wind, a plane traveled 570 miles in 3 hours. Flying against the wind, the plane traveled the same distance in 5 hours. Find the rate of the plane in calm air and the rate of the wind. Rate of plane ______mph Rate of wind ________mph

    asked by Quintyn on December 7, 2014
  93. Geometry

    A plane is is flying 240 mph heading N60°E. The wind is blowing S30°E at 30 mph. 6. What is ground speed of the plane? 7. What is the smallest angle in the triangle? 8. What is the biggest angle in the triangle? 9. What is the remaining angle in the

    asked by Amber on June 5, 2012
  94. geometry

    A plane is is flying 225 mph heading S25°W. The wind is blowing S80°E at 60 mph. What is the bearing of the plane? What is the smallest angle of the triangle? What is the largest angle of the triangle? What is the remaining angle of the triangle? What is

    asked by me on November 24, 2013
  95. Mathematicas

    To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of

    asked by Ana on January 28, 2010
  96. Physics

    A Block weighing 72.2 N rests on a plane inclined at 20.0 deg. to the horizontal. The coefficients of static and kinetic friction are 0.22 and 0.12 resp. What is the minimum magnitude of F that will start the block moving up the plane? (I also got 9,74 N

    asked by Lily on September 29, 2007
  97. maths

    plane leave jammu at 5 am and reached patna at 7.20 am flying at a speed of 600 km/h what will distance coveredby plane

    asked by megha on January 22, 2017
  98. physics

    A small plane starts down the runway with acceleration 7.4 .if the force provided by its engine is 1.5×104 , what is the plane's mass?

    asked by Anonymous on June 25, 2011
  99. Physics

    A plane is flying 250 m/s west with a crosswind of 25 m/s north affecting the flight. What is the magnitude and direction of the plane?

    asked by Madi on February 23, 2015
  100. Math

    1. Name the intersection of plane ACG and plane BCG. A. AC B. BG C. CG D. The planes need not intersect. Is the answer C? this is hard for me since there isn't a picture. Thank you!

    asked by tim on September 18, 2015