1. Statics

    a solid hemisphere of weight W rests in limiting equilibrium with its curved surface on a rough inclined plane and its plane face is kept horizontal by a weight W1 attached to a point in its rim. prove that the coefficient of friction is W1/√(W(W+2W1))

    asked by Vasuki on September 29, 2011
  2. engineering

    Let’s suppose the message x(t) is an analog signal shown in the figure below. a) Draw the block diagrams of the system which converts the analog message signal x(t) to a pulse modulated signal. b) Draw the sampled signal with the sampling frequency

    asked by dioptas on June 6, 2013
  3. Math

    Point A lies in plane B. How many lines can be drawn perpendicular to plane B through point A?

    asked by Christa on October 16, 2013
  4. maths

    the plane has seats for 420 passengers 15% of the seats are empty how many passangers are on the plane?

    asked by teemo on September 5, 2011
  5. Math - distance b etween a line and plane

    Find the distance between the parallel line and the plane. line: vector r = [2,0,1]+t[1,4,1] plane: 2x-y+2z=4

    asked by Shaila on August 28, 2010
  6. calc2

    Let R denote the region in the plane consisting of all points (x,y) where x ≥ 1 and 0 ≤ y ≤ 2/x. Let S denote the solid formed by rotating R about the x-axis. Observe that S is an unbounded region; that is, it extends indefinitely in the direction of

    asked by Anon on March 9, 2012
  7. physics

    A carton lies on a plane tilted at an angle theta 29 degrees to the horizontal, with a friction of uk .12.If the carton starts from rest 7.90 up the plane from its base, what will be the carton's speed when it reaches the bottom of the incline?

    asked by Anne on October 16, 2010
  8. Physics

    A 9 kg block on a frictionless inclined plane at 40° has a cord attached to a pulley of mass 4 kg and radius 11 cm (see the following figure). (a) What is the acceleration of the block down the plane (in m/s2)? (Enter the magnitude.) (b) What is the work

    asked by Haya on April 15, 2017
  9. Physics

    A box with a mass of 4.0kg is sitting on a plane angled at 60degrees above the horizontal. The coefficient of friction between the box and the plane is 0.3. What is the horizontally applied force necessary to stop the box from sliding down the ramp?

    asked by Jared on January 2, 2011
  10. Calculus

    A plane flies horizontally with a speed Of 600km/h at an altitude of 10km and pasess directly over th town of quinton .find the rate at which the distance from the plane to quinton is increasing when its 20km away from quinton ?

    asked by Mehak on March 13, 2011
  11. calculus

    A plane flies horizontally with a speed Of 600km/h at an altitude of 10km and pasess directly over th town of quinton .find the rate at which the distance from the plane to quinton is increasing when its 20km away from quinton ?

    asked by mehak on March 13, 2011
  12. Physics

    A hockey puck of mass .2kg is sliding down an inclined plane with an angle of 15 degrees to the horizon. If the puck is moving with a constant speed, what is the coefficient of kinetic friction between the puck and the plane?

    asked by Cassie on April 20, 2013
  13. newton's law

    A block of mass M is projected up a frictionless inclined plane with a speed VO. The angle of incline is given as theta. a. How far up the plane does it go? b. How much time does it take to get there? I was stuck after Fg(cos(theta+90)= Ma_x

    asked by jack on October 13, 2012
  14. Math

    A piece of a broken circular gear is brought into a metal shop so that a replacement can be built. A ruler is placed across two points on the rim, and the length of the chord is found to be 14 inches. The distance from the midpoint of this chord to the

    asked by Matty on April 28, 2017
  15. grade six math

    Draw an equilateral triangle. Divide each side in half and join the points to make four small equilateral triangles. Rearrange these four equilateral triangles into a parallelogram. Compare the perimeter of the original triangle with the perimeter of the

    asked by marie on December 19, 2011
  16. math

    A right rectangular prism is intersected by a horizontal plane and a vertical plane. The cross section formed by the horizontal plane and the prism is a rectangle with dimensions 8 inches and 12 inches. The cross section formed by the vertical plane and

    asked by Tim on December 3, 2015
  17. math

    In five games, you score 16, 12, 15, 13, and 17 points. How many points must you score in the sixth game to have an average of at least 15 points?

    asked by jhon on October 27, 2016
  18. MATH

    1.Isoscles obtuse triangle TRI with vertex angle T. 2.Rhombus RHOM with acute

    asked by ashely on April 18, 2011
  19. Chemistry

    Hope you don't mind I have 3 more that I don't understand 1)Draw the structure of the reaction product of 2-methyl-1pentene with H2 in the presence od platinum catalyst 2)Draw the structure of 4-methylcyclohexanol 3)Draw the structure of 2,3-dibromotoluene

    asked by Kellie on March 30, 2007
  20. math( geometry)

    indirect proof given: plane M and N intersect; line CD is parallel to plane M; line CD is parallel to plane N; line CD and line AB are not skew prove: line CD is parallel to line AB

    asked by anonymous on October 11, 2007
  21. Pictures (URGENT)

    I need to draw pictures that represents the weather, for a poster assignment. But I'm having trouble with hot and sunny. what 2 different pictures can i draw to represent them? Also, cold, snowing, and windy. I need 3 different pictures to represent them

    asked by John on September 11, 2009
  22. maths --plse help me..

    without using set square or protacter construct 1. triangle A BC WITH AB = 5.5 CM , BC = 3.2 CM CA = 4.8 CM 2. DRAW LOCUS OF A POINT WHICH MOVES SO THAT IT IS ALWAYS A DISTANCE OF 2.5 CM FROM B. 3. DRAW LOCUS OF POINT SO THAT IT IS EQUIDISTANT FROM BC & CA

    asked by Anonymous on December 28, 2012
  23. physics

    A solid uniform sphere is released from the top of an inclined plane .25 m tall. the sphere rolls down the plane without slipping and there is no energy lost from friction. What is the translational speed of the sphere at the bottom of the incline?

    asked by Anonymous on April 30, 2014
  24. Cal

    A plane flying horizontally at an altitude of 3 mi and a speed of 480 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest

    asked by Jordan on November 11, 2010
  25. math cal

    A plane flying horizontally at an altitude of 3 mi and a speed of 480 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest

    asked by anna on November 18, 2010
  26. Calc

    A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away from the station. (Round to the nearest

    asked by Peter on November 9, 2009
  27. Math

    in the center of the first sheep of graph paper, draw a figure with straight sides that will fit in a 15 by 20 block (the figure can be hard or easy so I was thinking of going with a simple rectangle). On the second sheet of graph paper draw the same

    asked by Marie on June 3, 2012
  28. college

    I have initial and final gauge length and diameter and also have max load. Now i have to draw stress strain diagram. I know how to draw that graph but i a not provided with failure load or yield load so i am not sure how to graph. Appreciate any help.

    asked by Nick on August 19, 2010
  29. math grade recovery plz help

    domino scored 33 points in yesterdays basketball game.his team scored 150 points.what percent of the points did domino score.

    asked by ashleydawolfy on February 11, 2016
  30. MATH

    mark scores 6 points. amy scores 11 points. how many points does mark need to tie the game? WRITE A NUMBER SENTENCE TO SOLVE. THANK YOU

    asked by OLIVIA on November 7, 2012
  31. MATH

    mark scores 6 points. amy scores 11 points. how many points does mark need to tie the game? WRITE A NUMBER SENTENCE TO SOLVE. THANK YOU

    asked by OLIVIA on November 7, 2012
  32. English

    1. Draw a star shape on the A4 paper. 2. Draw a star on a piece of A4 paper. 3. Draw a star shape on A4 paper. ===================== Which expression is grammatical?

    asked by rfvv on May 18, 2015
  33. math

    Part A: Using the graph above, create a system of inequalities that only contain points D and E in the overlapping shaded regions. Explain how the lines will be graphed and shaded on the coordinate grid above. (5 points) Part B: Explain how to verify that

    asked by Anonymous on April 25, 2017
  34. Analytic Geometry - Reflecting points over lines

    Let P = (5,1), and let Q be the reflection of P over the line y = 1/2x + 2. Find the coordinates of Q. I don't understand how to start? Should we draw perpendicular lines? Analytic Geometry - Reflecting points over lines - Steve, Monday, March 4, 2013 at

    asked by Knights on March 5, 2013
  35. AP physics

    A rescue plane wants to drop supplies to isolated mountains climbers on Rocky ridge 235m below. If the plane is traveling horizontally with a speed of 250 km/h (69.4m/s), how far in advance of the recipients (horizontal distance) must the good be dropped?

    asked by Susana on September 22, 2016
  36. Phys1402

    Object A of charge 5e-6 C is located at the origin of a coordinate plane. Object B of charge 3e-6 C is located on the x-axis of a coordinate plane at x = 0.002 m. Object C of charge 3e-6 C is located on the y-axis of a coordinate plane at y = 0.001 m.

    asked by Anonymous on February 5, 2017
  37. Algebra ASAP!!

    7. The table shows the functions used to determine the number of points earned every month by regular and elite members of a dining club who spend d dollars that month at participating restaurants. Which statement describes the difference in these

    asked by Astral Tellurian on February 5, 2016
  38. math

    The following are the amounts (to the nearest dollar) paid by 25 students for textbooks during the fall term: a. Draw an ordered stem and leaf plot to illustrate the data. b. Construct a grouped frequency table for the data, starting the first class at

    asked by kirk on August 14, 2010
  39. Geometry

    Myles was asked to draw a triangle xyz and then dilate it using the origin aa the center of dilation and a scale factor of 0.75.he thinks adding 0.75 units to the coordinates of the vertices of xyz will help him draw the dilated image. Explain why miles is

    asked by Jennifer on July 27, 2016
  40. physics lab

    Consider different points along one spoke of a wheel rotating with constant angular velocity. Which of the following is true regarding the centripetal acceleration at a particular instant of time? A The magnitude of the centripetal acceleration is greater

    asked by Chris on February 16, 2011
  41. physics

    A jet plane is flying with a constant speed along a straight line, at an angle of 25.5° above the horizontal, as Figure 4.30a indicates. The plane has weight vector W whose magnitude is 86500 N, and its engines provide a forward thrust vector T of 103000

    asked by pooh on November 9, 2014
  42. math

    1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines, draw a half-inch horizontal line that is centered between the lines. 3. Draw a line from the

    asked by Anonymous on January 11, 2017
  43. Trigonometry

    From an observation tower that overlooks a small lake, the angles of depression of point A, on one side of the lake, and point B, on the opposite side of the lake are, 7degrees and 13degrees, respectively. The points and the tower are in the same vertical

    asked by Marika on January 2, 2013
  44. English expression

    A. Listen carefully, and choose the picture suitable for the content of the dialogue. B. Listen carefully, and draw a line to find out who teaches which subject. Look at the two people on the left, and the textbooks on the right. Draw a line between while

    asked by John on March 8, 2008
  45. calculus

    A plane flying horizontally at an altitude of 1 mi and a speed of 560 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 2 mi away from the station. (Round your answer to

    asked by Anonymous on October 2, 2012
  46. English

    11. How does Moishe the Beadle’s experience in the Galician forest change him? Your response should be at least one paragraph long. (2 points) 12. What is the irony of Elie’s and his neighbors' joy in leaving the hot ghetto? Your response should be at

    asked by max on December 28, 2010
  47. Data Management, Math

    10 of your friends (including you..so 10 altogether) are going to have a draw between all of you. Each person gives $10 (for a total of $100). There will be five, $20 draws. One per week for 5 weeks. For the first draw, every person gets a ticket. One

    asked by Jenna on May 13, 2008
  48. organic chem

    Hydrolysis: draw or name the products of hydrolysis of sec butyl 2-methylbenzoate Thank you I know you cant draw them but the names of products would be helpful.

    asked by meghan on March 4, 2013
  49. statistics

    you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck.

    asked by confused on April 15, 2011
  50. Chemistry

    When it says, " Draw a Lewis diagram for each of the following. " a)One atom of each of the elements in the second period. Is it asking me to draw a Lewis diagram for Lithium and Beryllium?

    asked by Derrick on July 9, 2010
  51. Math

    David is playing a trivia game where he gains points for correct answers and loses points for incorrect answers. At the start of round 3 his score is −1500 points. During round 3 he answered five 1000 point questions correctly and three 500 points

    asked by Maddie on February 20, 2018
  52. English

    1. I (can) (do) 20 (push-ups). [right Answer: 4 points] 2. I (can) (do) 20 (up and down with arms). [ ___ points] ------------------- #1 is a correct sentence. The students who only filled in the first two parentheses got one point as a partial point. [can

    asked by rfvv on July 6, 2018
  53. math 1

    Sarah calculated the points she earned on her test. Sarah thought she earned 95 points but the teacher told her she actually only scored 85 points. What was Sarah's percent error. Round to the nearest tenth.

    asked by erika on January 12, 2016
  54. Chemistry

    2. Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions: Al(s) → Al3+(aq) + 3e− Zn2+(aq) + 2e− → Zn(s) a. Predict the potential of the cell under standard conditions. (4 points) b. Predict whether the

    asked by Morgan on October 22, 2014
  55. 4th grade

    At a school fair, you can toss coins into cups to earn points. If you earn 100 points or more you win a prize. The cups are worth 15, 20, 25, and 30 points. If you get 4 tosses and can stop whenever you reach 100 points, what are all the possible

    asked by Anonymous on December 6, 2010
  56. math

    4. For Questions 4-7, use the following data: The number of file conversions performed by a processor per day for 10 days was: 15, 27, 25, 28, 30, 31, 22, 25, 27, 29 What is the arithmetic mean of the data? (Points: 5) 20.7 25.9 27 29 5. What is the

    asked by Anonymous on November 7, 2011
  57. Social Studies

    1.   The sections of the Transcontinental Railroad join in  (5 points) California. Nebraska. Kansas. Utah. 2.   Improvements in transportation led to  (5 points) lower shipping costs for goods. fewer settlers moving westward. increased

    asked by Christian Brown on February 13, 2014
  58. math

    What will be the next lotto draw, given that this was the last draw? 11-22-9-75-78

    asked by fada on March 11, 2014
  59. Math

    Mandy scores b points in a basketball game. Jay scores 3 points less than Mandy. Kareem scores 2 times as many points as Mandy. Find the number of points that Jay scores in terms of b.

    asked by Sam on February 20, 2014
  60. Science

    An American Red Cross plane needs to drop emergency supplies to victims of a hurricane in a remote part of the worlds. The plane is traveling horizontally at 100.0m/a at a height of 50.0 above the ground.What horizontal distance does the package travel

    asked by Anonymous on October 2, 2012
  61. Calculus some1 plz!!!!

    A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is π/3, this angle is decreasing at a rate of π/4 rad/min. How fast is the plane traveling at that time? (Round

    asked by yolana on March 14, 2011
  62. physics

    A jet airplane is in level flight. The mass of the airplane is m = 8870 kg. The plane travels at a constant speed around a circular path of radius R = 9.55 miles and makes one revolution every T = 0.126 hours. What is the magnitude of the lift force acting

    asked by kg90 on October 9, 2013
  63. A plane flies horizontally at an altitude of 5 km

    A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is π/3, this angle is decreasing at a rate of π/4 rad/min. How fast is the plane traveling at that time? (Round

    asked by yolana on March 15, 2011
  64. geometry

    The figure shows a partially completed set of steps to construct figure PQRS. The next step is to construct side RS of the figure so that side RS is congruent to side PQ and angle PQR is congruent to angle SRN. The chart shows the steps each of the four

    asked by ricco latsonas on January 29, 2013
  65. Physics

    A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the

    asked by Carter on November 28, 2013
  66. Physics

    A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the

    asked by Fernandez on December 1, 2013
  67. physics

    A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the

    asked by Haffmeister on November 30, 2013
  68. English

    I left out a few sentences I urgently need you to check. Thank you. 1) The programme was first broadcast in 2004.(Can you also say: the fist time it was broadcast was...) 2) They lived building homes from the trees and eating the food which was on the

    asked by Henry2 on December 9, 2011
  69. math

    Camilla has 3 times as many points as Lynn. Lynn has 5 more points than Kim. Camilla, Lynn, and Kim combined have twice as many points as Jasmine. If Jasmine has 25 points - how many points do the three other girls have?

    asked by Jake on January 17, 2011
  70. Trig

    If a plane takes off on runway 31 (N 31o W) and flies 4 miles, then makes a right (90o) turn and flies 11 miles, what bearing will the traffic controller use to locate the plane?

    asked by Melinda on January 25, 2012
  71. physics

    An object is on a frictionless inclined plane. The plane is inclined at an angle of 16.9 degrees with the horizontal. Using the accerlation due gravity(9.8m/s squared),what is the magnitude of object's acceleration?

    asked by Vlad on November 30, 2011
  72. science

    a body with a mass of 40kg is at the point of sliding down an incline plane of 20degrees.calculate the external force required to pull the body up the incline plane

    asked by Anonymous on March 28, 2016
  73. physics

    A plane is heading to a destination 1750 km due north at 175 km/h in a westward wind blowing 25 km/h. At what angle from north should the plane be oriented so that it reaches its destination?

    asked by Lisa on January 11, 2010
  74. trigonometry

    A plane is headed due west with an air speed of 300 mph. The wind is from the north at 80 mph. Find the bearing for the course and the ground speed of the plane.

    asked by mikey on November 27, 2012
  75. Physics

    You are a passenger on a jetliner that is flying at a constant velocity. You get up from you seat and walk toward the front of the plane. As, a result, your forward momentum increases. What (if anything) happens to the forward momentum of the plane?

    asked by Bill on October 26, 2009
  76. Algebra II

    A plane flies with a heading of 48 degrees NW and an air speed of 584 km/h. It is driven from its course by a wind of 58.0 km/h from 12.0 degrees SE. Find the ground speed and the drift angle of the plane.

    asked by Arielle on November 2, 2011
  77. Trig

    Please help with this question: A plane travels a distance of 140 km due west of Vancouver International Airport. It then travels 60 km at a bearing of 340 degrees. How far from the Airport is the plane? Thank you for all your help.

    asked by Cassandra on April 20, 2015
  78. Physics

    An airplane is flying with a velocity of v0 = 260 m/s at an angle of 30.0° with the horizontal. When the altitude of the plane is h = 2.0 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle ?

    asked by Student on September 5, 2007
  79. physics

    An 8kg block starts from rest from the top of a plane, inclined at 40o with respect to the horizontal, and slides down at a constant acceleration. If the coefficient of kinetic friction between the block the plane is 0.35 determine how far the block

    asked by Anonymous on May 18, 2015
  80. physics

    An 8kg block starts from rest from the top of a plane, inclined at 40o with respect to the horizontal, and slides down at a constant acceleration. If the coefficient of kinetic friction between the block the plane is 0.35 determine how far the block

    asked by Anonymous on May 18, 2015
  81. Physics

    The block shown in (Figure 1) has mass m = 7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle θ = 22.0 ∘ to the horizontal. If the block starts from rest 15.2 m up the plane from its base, what will be the block's speed when it

    asked by Simone on November 28, 2015
  82. Physics

    A plane starts from rest at the end of a runway and requires 200.0 km/h for takeoff . If it takes 30.0 a to reach takeoff speed, what acceleration must the plane's engines provide to get off the runway ?

    asked by James on October 7, 2014
  83. math

    A jet plane traveling at 500 mph overtakes a propeller plane traveling at 200 mph that had a 2-hour head start. How far from the starting point are the plains?

    asked by justin on December 4, 2012
  84. Precalcuse

    A plane is headed N40E at 400 mph.there is a wind speed of 50mph from the south.if no correction is made for the wind,what are the final direction and ground speed of the plane?

    asked by Damanta on March 4, 2015
  85. science

    If an airplane directly north at 2000 km/hr and there are 50 mph/hr winds blowing west. whis is the actual path of the plane seen from someone on the ground? What is the ground speed of the plane in mph?

    asked by janaki on March 22, 2013
  86. physics

    An object is on a frictionless inclined plane. The plane is inclined at an angle of 25.5 degrees with the horizontal. Using the accerlation due gravity from your reference table. What is the magnitude of object's acceleration?

    asked by Anonymous on October 22, 2010
  87. Physics

    A pilot wants to fly a plane directly eastward when the wind is from the north at 55 miles per hour. if the air speed is 230 miles per hour, in what direction must the plane be headed?

    asked by Dude on August 2, 2010
  88. algebra

    A plane can fly a certain distance in 6 hours with the wind, but can return only three-fourths the distance in the same time. If the speed of the plane in still air is 200 km per hour, find the velocity of the wind.

    asked by Help, pls on April 2, 2015
  89. economics

    (2 points) Suppose that the following equations describe an economy (C, I, G, T, and Y are measured in billions of dollars and r is measured in percent; for example, r = 10 means r = 10%)

    asked by kojo on August 17, 2010
  90. Maths

    find the points of intersection of (a) the tangents to the graph of y=2+2x-x^2 at the points where the graph meets the x-axis. (b) the normals to the graph at these points. (c) find the area of the triangle created from the two intersections and the point

    asked by John B on December 15, 2016
  91. Vectors and matrices

    A triangle T has a vortices (3,-1),(5,-1) and (5,-4).draw and label the traingle T. M is the matrix (1 0) ( 0 -1). The triangle T is mapped on triangle T by the means of transformations M,draw and label T on your diagram. T has a vertices at (3,1),(5,1)

    asked by Vanessa on November 29, 2016
  92. Physics

    A mass of 6.10 kg rests on a smooth surface inclined 39.0o above the horizontal. It is kept from sliding down the plane by a spring attached to the wall. the spring is aligned with the plane and has a spring constant of 126 N/m. How much does the spring

    asked by Janelle on November 5, 2012
  93. physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle è?

    asked by tish on February 10, 2011
  94. Physics

    An airplane is flying with a velocity of 248 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.5 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

    asked by Cetris on February 28, 2015
  95. physics

    An airplane is flying with a velocity of 224 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.1 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle?

    asked by james on February 8, 2010
  96. college physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle è?

    asked by jc on February 23, 2011
  97. physics

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.2 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

    asked by Mo on January 18, 2010
  98. las st

    An airplane is flying with a velocity of 240 m/s at an angle of 30.0o with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

    asked by des on February 6, 2017
  99. Geometry

    A fighter plane observes a target on the ground with an angle of depression of 21 degrees. The target is 3.5 miles away along a direct line of sight. How high is the fighter plane? Round to hundredths. Please help!

    asked by Kevin on March 25, 2014
  100. Math

    a plane with an airspeed of 192mi/h is headed on a bearing of 121 degrees. a north wind is blowing (from north to south) at 15.9 mi/h . find the ground speed and the actual bearing of plane.

    asked by Tareena on May 24, 2008