1. Physics 1

    A jetliner is moving at a speed of 305 m/s. The vertical component of the plane's velocity is 38.9 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Anonymous on September 18, 2012
  2. UCSD

    A jetliner is moving at a speed of 230 m/s. The vertical component of the plane's velocity is 36.4 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Jenna on September 24, 2011
  3. Physics

    A jetliner is moving at a speed of 270 m/s. The vertical component of the plane's velocity is 39.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Katsu on October 19, 2010
  4. PHYSICS

    A jetliner is moving at a speed of 305 m/s. The vertical component of the plane's velocity is 47.5 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by veronica on September 15, 2010
  5. Physics

    A jetliner is moving at a speed of 220 m/s. The vertical component of the plane's velocity is 36.0 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Will on April 1, 2008
  6. physics

    find the expression for the acceleration of a cylinder rolling down without slipping on a rough inclined plane also obtained an expression for coefficient of friction

    asked by shashi ranjan on March 19, 2013
  7. Physics

    mass of 2 kg is released from rest at the top of the inclined plane shown below. at bottom speed is 5 m/s how much work was done by friction between incline and mass

    asked by Anonymous on November 3, 2014
  8. Phyiscs

    A wooden box with a mass of 10.0kg rests on a ramp that is inclined at angle of 25 degrees to the horizontal. A rope attached to the box runs parallel to the ramp and then passes over a frictionless pulley. A bucket with a mass of m hangs from the end of

    asked by Lupita on February 6, 2014
  9. Physics-Mechanics

    horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 5.53 kg which hangs in the air, as shown on the following picture. Assume the cord to be light (massless and weightless) and unstretchable and the pulley to

    asked by Genevieve on September 22, 2010
  10. physics

    A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the

    asked by Mimi on February 20, 2014
  11. physics

    two blocks are connected by a string. the smooth incline surface makes an angle of 42 degrees with the horizontal, andthe block on the incline has a mass of 6.7 kg. find the mass of the hanging block that will cause the system to be in equilibrium. (the

    asked by stephanie on November 3, 2010
  12. pysics

    A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1-kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the

    asked by Ted on February 21, 2014
  13. physics

    A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- $kg$ block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and

    asked by Mimi on February 20, 2014
  14. physics

    A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 12.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. J (b) Determine the work done by the normal force exerted by

    asked by monic on October 10, 2012
  15. physics

    A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 12.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. J (b) Determine the work done by the normal force exerted by

    asked by monic on October 12, 2012
  16. physics

    Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A and the blocks start to slide to the right of their initial position. Determine the acceleration of the system, if m_A = 12 kg, m_B = 38 kg,

    asked by sean on February 21, 2014
  17. PHYSIC 220

    A radar station locates a sinking ship at range 16.7 km and bearing 136° clockwise from north. From the same station, a rescue plane is at horizontal range 19.6 km, 153° clockwise from north, with elevation 2.40 km. (a) Write the displacement vector FROM

    asked by SFSU on February 12, 2016
  18. phyzzzics

    I NEED ANSWERS AND HOW YOU GOT IT~!! 3. If you use a horizontal force of 30.0 N to slide a 12.0-kg wooden crate across a floor at a constant velocity, what is the coefficient of kinetic friction between the crate and the floor? 4. A force of 4.0N is large

    asked by johnica! on December 6, 2009
  19. Help!!!

    An electric field of intensity 4.27 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true. (a) The plane is parallel to the yz-plane. (b) The plane is

    asked by Isabella on January 19, 2012
  20. physics!!!

    An electric field of intensity 4.27 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true. (a) The plane is parallel to the yz-plane. (b) The plane is

    asked by Isabella on January 20, 2012
  21. Physics

    Imagine a right-angle triangle with angle θ = 40o on the left. The serves as an increasing slope. On the slope is an object of mass m1= 340 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is

    asked by LeahHH on October 6, 2009
  22. Physics

    Imagine a right-angle triangle with angle θ = 40o on the left. The serves as an increasing slope. On the slope is an object of mass m1= 340 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is

    asked by lynn on October 6, 2009
  23. physics

    A bullet of mass 6.00 g is fired horizontally into a wooden block of mass 1.21 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.210. The bullet remains embedded in the block, which is observed to slide

    asked by sandra on November 5, 2017
  24. physics

    Block A (mass = 3 kg), moving at +5 meters per second, collides with stationary block B (mass = 4 kg). Block A comes to a sudden stop, while block B starts moving. What will be the approximate final speed of block B?

    asked by Rachel on June 5, 2017
  25. physics please help :/

    A 0.50-kg block, starting at rest, slides down a 30.0° incline with kinetic friction coefficient 0.30 (the figure below). After sliding 84 cm down the incline, it slides across a frictionless horizontal surface and encounters a spring (k = 33 N/m). (a)

    asked by Angel on March 1, 2012
  26. physics

    A 0.50-kg block, starting at rest, slides down a 30.0° incline with kinetic friction coefficient 0.30 (the figure below). After sliding 84 cm down the incline, it slides across a frictionless horizontal surface and encounters a spring (k = 33 N/m). (a)

    asked by Angel on February 28, 2012
  27. Physics

    A 6 kg block free to move on a horizontal, frictionless surface is attached to a spring. The spring is compressed 0.16 m from equi- librium and released. The speed of the block is 1.44 m/s when it passes the equilibrium po- sition of the spring. The same

    asked by Name on January 5, 2014
  28. Physics

    A 6 kg block free to move on a horizontal, frictionless surface is attached to a spring. The spring is compressed 0.16 m from equi- librium and released. The speed of the block is 1.44 m/s when it passes the equilibrium po- sition of the spring. The same

    asked by Alex on January 5, 2014
  29. physics

    A 0.50-kg block, starting at rest, slides down a 30.0° incline with kinetic friction coefficient 0.30 (the figure below). After sliding 84 cm down the incline, it slides across a frictionless horizontal surface and encounters a spring (k = 33 N/m). (a)

    asked by Angel on February 29, 2012
  30. Physics bobpursley

    hello ok i realized what you meant. =) An object of mass M = 921 g is pushed at a constant speed up a frictionless inclined surface which forms an angle θ = 50o with the horizontal. The normal force acts perpendicular to the slope. The slope is the

    asked by Nala on October 14, 2009
  31. Phyics

    How far does a 5-kg block with an initial speed of 3 m/s slide up a frictionless 28° incline plane?

    asked by Amy on February 17, 2013
  32. physics

    The characteristics of a horizontal and undamped spring-block system are k=400N/m and M=0.3kg.The position of the block is determined by its abscissa along an x'ox axis. When the spring has its natural length then x=0. a) the spring is stretched by

    asked by vicky on October 21, 2016
  33. Physics

    You attach one end of a spring with a force constant k = 893 N/m to a wall and the other end to a mass m = 2.02 kg and set the mass-spring system into oscillation on a horizontal frictionless surface as shown in the figure. To put the system into

    asked by Kristin on April 22, 2015
  34. physics

    two different masses have equal, non zero kinetic energies. the momentum of the smaller mass is? what is the magnitude of momentum of a 0.140 baseball traveling at 45.0m/s? a 2.00g bullet hits and becomes embedded in 5.00 kg wood block which is hanging

    asked by tina on February 25, 2009
  35. physics

    two different masses have equal, non zero kinetic energies. the momentum of the smaller mass is? what is the magnitude of momentum of a 0.140 baseball traveling at 45.0m/s? a 2.00g bullet hits and becomes embedded in 5.00 kg wood block which is hanging

    asked by tina on February 25, 2009
  36. Physics

    A ladder ABC of length 20m is leaning against a wall at an angle from the horizontal. There is a roller at the top of the ladder that rests against the vertical wall. The coefficient of friction between the ladder and the horizontal surface at A is 0.5.

    asked by Lisa on January 9, 2016
  37. physical

    An electric field with a magnitude of 3.50 kN/C is applied along the x axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.7 m long assuming that (a) the plane is parallel to the yz plane; (b) the plane is parallel to the xy

    asked by abc on March 20, 2013
  38. Physics

    A bomb is dropped from a plane flying at 4000 meters. The plane is flying at 80 m/s. How far, in a horizontal direction, did the bomb hit the ground?

    asked by Sarah on June 22, 2012
  39. Math

    TWO OBSERVERS, WHO ARE 2 MILES APART ON A HORIZONTAL PLANE, OBSERVE A BALOON IN THE SAME VERTICAL PLANE WITH THEMSELVES.FIND THE HEIGHT OF THE BALOON, (A) IF IT IS BETWEEN THE OBSERVERS (B) IF IT IS ON THE SAME SIDE OF BOTH OF THEM

    asked by Shihara on March 15, 2012
  40. Physics

    Although a mass on the end of a string can be whirled around in a horizontal circle, (plane of the mass is horizontal), is it possible for the string itself to be horizontal? Explain and justify your answer. I know that it is impossible, because it just

    asked by Hannah on November 15, 2007
  41. physics

    hi every one i appreciate help as ineed answer as soon a jetplane discharges a jet at rate of 28kg/s with a velocity of 950 m/s relative to the plane if the forward speed of the plane is 875km/h what is the thrust developped on the plane and the power

    asked by georgie on December 15, 2012
  42. Physics

    A 17.9 kg block is dragged over a rough, hor- izontal surface by a constant force of 74.1 N acting at an angle of angle 32.3◦ above the horizontal. The block is displaced 72.4 m and the coefficient of kinetic friction is 0.242. Find the work done by the

    asked by Kaylee on June 22, 2014
  43. physics

    A 32.7-kg block (m1) is on a horizontal surface, connected to a 6.7-kg block (m2) by a massless string as shown in the Figure. The pulley is massless and frictionless. A force of 236.1 N acts on m1 at an angle of 28.7o. The coefficient of kinetic friction

    asked by anonymus on August 18, 2018
  44. physics

    The mass of the heavier block is 28 kg and the mass of the lighter blocks is 14 kg and the magnitude of the force of the connecting string on the smaller block is 24 N. Assume: g = 9.8 m/s^2 and the horizontal surface on which the objects slide is

    asked by michelle on September 28, 2012
  45. science

    A 2:35 kg block is pushed 1:57 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of 67.5 degree with the horizontal. The acceleration of gravity is 9.8 m/s2. If the coefficient of kinetic friction between the

    asked by aksha on October 21, 2007
  46. Physics

    A man pulls a drum of oil 10kg upon an inclined plane OA.if OA=5m and AB=3m as shown below in a triangle. Calculate the A the potential energy at A and workdone by the man.

    asked by Anonymous on March 24, 2019
  47. physics B

    A block is given n intial speed of 3.0 s^-1 m up the 22.0 degree plane (a) How far up the plane will it go? (b) How mcuh time elapses before it returns to its starting point? Assume Mu k = 0.17 for (a) a = - (Mu k g cos theta + g sin theta) I got - 5.23

    asked by physics B on September 3, 2009
  48. pHysics !!

    A 20-g bullet is fired horizontally into a 980 g block of wood suspended by a long cord. The bullet sticks in the block and causes the block to swing 15 cm above its initial level. a) What is the momentum of the bullet before it hit the block? b) Determine

    asked by kent on September 1, 2013
  49. Physics

    A 4kg and a 2kg block are moving along a horizontal frictionless surface. The 4 kg block is moving to the right with a speed of 6 m/s and the 2 kg block is moving to the left with a speed of 3 m/s. The two blocks collide inelastically and then continue to

    asked by Jon Routh on November 17, 2009
  50. Mechanics, Waves and Optics

    A crate with a total mass of 18.0 kg is pulled by a person along the floor at a constant speed by a rope. The rope is inclined at 20 degree above the horizontal, and the crate moves 20.0 m on a horizontal surface. The coefficient of kinetic friction

    asked by Anonymous on August 7, 2013
  51. physics

    A string going over a massless frictionless pulley connects two blocks of masses 4.4 kg and 11 kg. As shown on the picture below, the 4.4 kg block lies on a 23◦ incline; the coefficient of kinetic friction between the block and the incline is μ = 0.29.

    asked by Sarah on March 6, 2014
  52. Physics

    1. The total length of a spring is 0.25 m. What it is unstretched and 0.30 m when a force of 17.82 N is applied to it. What will be the length when 26.72 N is applied to it? 2. A piller with a cross sectional area of 1.5 m^2 supports a portion of a

    asked by Cielo on September 3, 2014
  53. Physics

    Can someone explain to me how I can solve this problem? This problem contains multiple parts but I'm stuck on the last two. Here is the full problem: A block of mass 2.5 kg is sliding at 10 m/s on an initially frictionless, horizontal surface. There is

    asked by Bella on November 21, 2018
  54. Physics

    What is the acceleration of a skateboard down a ramp inclined at 19.5 degrees to the horizontal? 3.271 is the answer. This shouldn't be too tough, but I can't get it. Thanks!

    asked by Anonymous on September 7, 2008
  55. trig

    What would be the force required to push a 100-pound object along a ramp that is inclined 10 degrees with the horizontal?

    asked by greenburrow on March 19, 2012
  56. Trigonometry

    find an equation of the line passing throug (2,6) and is inclined at an angle 60 degrees counterclockwise from the horizontal

    asked by Angel on October 1, 2016
  57. Physics

    If a 5.40g bullet is fired horizontally into a suspended(hanging)10kg block of wood and causes the block, with bullet embedded, to move off with horizontal velocity of 0.30m/s, What is the impact velocity of the bullet?

    asked by Anonymous on April 17, 2010
  58. Physics

    If a 5.40g bullet is fired horizontally into a suspended(hanging)10kg block of wood and causes the block, with bullet embedded, to move off with horizontal velocity of 0.30m/s, What is the impact velocity of the bullet?

    asked by Kirsten on April 15, 2010
  59. Physics

    Cn u plz gv explaination 2 d solutions steps by steps briefly?Cz i really dnt understand hw 2 apply d formula wen i revise it nw. Much appreciated. [g=10 m/s^2 ] a fixed wedge whose smooth sloping face is inclined at 30 degree to the horizontal. A particle

    asked by Warm on September 29, 2008
  60. Physics

    A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 200 N/m. The spring is unstretched when the 30.0 kg block

    asked by mightymouse on March 3, 2009
  61. help! physics

    A 1.7 kg block is moved at constant speed over a surface for which the coefficient of kinetic friction is 0.27. The displacement is 2 m. It is pushed by a force directed at 25 degrees below the horizontal. Find the work done on the block by: the force. How

    asked by joe on October 29, 2011
  62. physics

    A 1.7 kg block is moved at constant speed over a surface for which the coefficient of kinetic friction is 0.27. The displacement is 2 m. It is pushed by a force directed at 25 degrees below the horizontal. Find the work done on the block by: the force. How

    asked by joe on October 29, 2011
  63. Physics

    Two forces are applied to a block of mass MM=12.0 kg that sits on a horizontal, frictionless table. One force F⃗ 1F→1 has a magnitude of 10.0 N and is directed at an angle θ1 equal to 37.0° from the xx direction as labeled in the figure below. As a

    asked by Neam on February 23, 2017
  64. Physics

    This is a question related to work. Today we had a pop quiz in my physics class and I am just trying to check my work here :D 1) if there is a 5 kg block on a horizontal table connected with string to a 3 kg block hanging off the side of the table through

    asked by William on October 20, 2014
  65. physics

    A satellite is in a circular earth orbit that has a radius of 6.63E+6 m. A model airplane is flying on a 16.4 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the

    asked by Anonymous on February 12, 2012
  66. physics

    A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 19.3° above the horizontal. The sledge moves a distance of 19.8 m on a horizontal surface. The coefficient of kinetic friction between the sledge

    asked by Allie on March 9, 2011
  67. physics

    A sled loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope inclined at 20.0o above the horizontal. The sled moves a distance of 17.0 m on a horizontal surface. The coefficient of kinetic friction between the sled and

    asked by bob on October 8, 2017
  68. physics

    A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 19.3° above the horizontal. The sledge moves a distance of 19.8 m on a horizontal surface. The coefficient of kinetic friction between the sledge

    asked by Alexandria on March 20, 2011
  69. physics

    I have a question involving the spring costant: A 2-kg block is attached to a horizontal ideal spring with a spring constant of 200N/m. When the spring has its equilibrium length the block is given a speed of 5 m/s. What is the maximum elongation of the

    asked by Diane on November 5, 2006
  70. math

    Two planes leave simultaneously from Chicago's O'Hare Airport, one flying due north and the other due east (see figure). The northbound plane is flying 50 miles per hour faster than the eastbound plane. After 3 hours the planes are 2840 miles apart. Find

    asked by Anonymous on February 7, 2019
  71. trig

    the basic N of an antenna rests on horizontal ground. the angle of elevation of the top R from a pt H on the ground is 42 degrees

    asked by Anonymous on October 17, 2011
  72. Physics. PLEASE HELP!!

    A 1.3 kg steel ball and 8 m cord of negligi-ble mass make up a simple pendulum that can pivot without friction about the point O. This pendulum is released from rest in a horizontal position and when the ball is at its lowest point it strikes a 1.3 kg

    asked by Amber on April 7, 2012
  73. Science

    A ball is thrown horizontally from the top of a cliff 20m high. If the initial horizontal velocity is 8.0m/s,find how long it takes to reach the horizontal plane at the foot of the cliff.

    asked by Abigail on September 22, 2013
  74. science

    a constant force applied at an angle of 20 above the horizonal , pulls a 200 kg block, over a distance of 3 m, on a rough, horizontal floor. the coefficient of kinetic friction is 0.2 show that work done by the kinetic frictional force on the block can be

    asked by Anonymous on May 2, 2016
  75. AP physics

    On Block has a mass M=500 g, the other has mass m=460 g, they are hooked to a string and is on a pulley will one mass on either side, the pulley, which is mounted in horizontal frictionless bearings, has a radius of 5 cm. When released from rest, the

    asked by Kristen on January 27, 2008
  76. physics

    A 2.7 kg block, starting from rest, slides down a ramp with friction. The top of the ramp is 1.5 m above the ground; the bottom of the ramp is h = 0.25 m above the ground. The block leaves the ramp moving horizontally, and lands a horizontal distance d

    asked by amy on May 31, 2010
  77. Physics

    A force of 2000N is used to push a box up am inclined plane that is 15m long. If the 100 kg box is raised to a height of 8m,how much work is done against friction ?let g=10m/s^2.

    asked by Riana on April 2, 2013
  78. physics

    Blocks A A (mass 6.50kg kg ) and B B (mass 10.50kg kg ) move on a frictionless, horizontal surface. Initially, block B B is at rest and block A A is moving toward it at 4.00m/s m/s . The blocks are equipped with ideal spring bumpers. The collision is

    asked by josh on November 9, 2013
  79. physics

    You spot a plane that is 1.63 km north, 2.3 km east, and at an altitude 5.2 km above your position. 1) At what angle from due north (in the horizontal plane) are you looking? ( ) °E of N 2) Determine the plane's position vector (from your location) in

    asked by amanda on February 17, 2018
  80. Physics

    First, I'm sorry for asking a lot of questions, however I don't know how to solve any of these problems. Can you please help me by telling me how I should solve it and what formulas should be used? I don't want the actual answers but how to solve these

    asked by Stephanie on December 9, 2018
  81. Physics

    150kg cart is traveling right 3m/s. a 20kg block of coal comes from the cart at 38degrees below the horizontal. The new velocity of the cart with the block is 3.95m/s. What is the initial speed of the coal.

    asked by Frustrated on April 14, 2013
  82. Physics

    A block is suspended from the end of a spring. An external force holds the block so that initially the spring is not stretched or compressed. When the block is released, it oscillates up and down between positions A and B. If the mass of the block is 0.5

    asked by Mary on February 20, 2012
  83. physics

    Two blocks each with weight w are held in place on a frictionless incline. In terms of w ans the angle theda of the incline, calculate the tension in a) the rope connecting the blocks; b) the rope that connects block A to the wall? a) it was wsin(theda) b)

    asked by Chris on November 16, 2006
  84. physics

    A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the

    asked by Katie on February 18, 2012
  85. Physics

    A satellite moves on a circular earth orbit that has a radius of 6.4 106 m. A model airplane is flying on a 23-m guideline in a horizontal circle. The guideline is parallel to the ground. Find the speed of the plane such that the plane and the satellite

    asked by Natasha on February 22, 2012
  86. physics

    A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the

    asked by Katie on February 20, 2012
  87. physics

    A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the

    asked by Katie on February 17, 2012
  88. Physics

    Two blocks,each of mass 3.0 kg are connected by a light cord and placed on a horizontal surfabe when a horizontal force of 20 newton is applied on a block an accn of 0.50 metre per second square is produced find(a)tensiom(b)force of friction which is same

    asked by Jack on January 31, 2017
  89. college physics

    find the frictional force exerted on a 20kg block pulled slowly over a horizontal floor using a rope which makes a 30 degree angle over the horizontal. the pulling force is 100N??? i found the Fn to be 146 N what do i do from there?

    asked by josh on June 10, 2010
  90. general physics

    A string going over a massless frictionless pulley connects two blocks of masses 5.9 kg and 9.5 kg. the 5.9 kg block lies on a 31 ◦ incline; the coefficient of kinetic friction between the block and the incline is µ = 0.22. The 9.5 kg block is hanging

    asked by David on February 20, 2016
  91. Physics...help please!

    Unlike a ship, an airplane does not use its rudder to turn. It turns by banking its wings: The lift force , perpendicular to the wings, has horizontal component, which provides the centripetal acceleration for the turn, and a vertical component, which

    asked by Cesar on April 7, 2011
  92. Physics

    "An airplane is climbing at an angle of 15 degrees to the horizontal with the sun directly overhead. The shadow of the airplane is observed to be moving across the ground at 200 km/h. How long does it take for the plane to increase its altitude by 1000 m"?

    asked by Stuck on July 6, 2010
  93. Physics

    A pair of blocks of the mass M =30.7 kg, and 2 M are dragged over a rough, horizontal surface by two constant forces of magnitude F=98.0 N. The angle α = 22.7 ° . The blocks are displaced 7.5 m, and the coefficient of kinetic friction is 0.258. *for the

    asked by Haley on October 15, 2014
  94. math

    A pair of blocks of the mass M =30.7 kg, and 2 M are dragged over a rough, horizontal surface by two constant forces of magnitude F=98.0 N. The angle α = 22.7 ° . The blocks are displaced 7.5 m, and the coefficient of kinetic friction is 0.258. *for the

    asked by Haley on October 15, 2014
  95. physics

    A 20kg block is being pulled by a 150N force,the block is initially at rest,if the coefficient of frictionbetween the block and the surface is 0.3,find (a)the normal force,(b)the friction force acting on the block,(c)find the acceleration of the block

    asked by amaka on October 28, 2011
  96. science

    A weight of 10N is supported by 2 strings AB and AC tied to a horizontal support.The strings makes an angle of 30 degree and 60 degree inclined respectively to the horizontal support.calculate the tention T1 and T2 in the strings

    asked by fuseini on January 24, 2017
  97. physics

    A mass m = 17 kg is pulled along a horizontal floor with NO friction for a distance d =5.4 m. Then the mass is pulled up an incline that makes an angle θ = 32° with the horizontal and has a coefficient of kinetic friction μk = 0.36. The entire time the

    asked by fox on March 23, 2018
  98. math

    A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with

    asked by dmetrion on November 5, 2015
  99. algebra

    A plane that carries mail makes a round trip each day from Chicago to New York. It makes 3 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with

    asked by kara on November 28, 2010
  100. physics

    A 20 g bullet moving horizontally with a speed v hits a 2-kg block of wood resting on a table. After hitting the block the bullet is embedded in the block of wood and the block and the bullet moves a distance of 40 cm before it stops. If the coefficient of

    asked by Edward on July 23, 2012