1. Physics

    A golfer hits a shot to a green that is elevated 2.90 m above the point where the ball is struck. The ball leaves the club at a speed of 19.1 m/s at an angle of 30.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Cassie on August 2, 2015
  2. Physics

    A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 44.0° above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Lauren on February 14, 2014
  3. physics

    A coin with a diameter of 2.10 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular speed of 13.3 rad/s and rolls in a straight line without slipping. If the rotation slows with an angular acceleration of magnitude

    asked by Anonymous on November 15, 2011
  4. physics

    In an arcade game a 0.144 kg disk is shot across a frictionless horizontal surface by com- pressing it against a spring and releasing it. If the spring has a spring constant of 164 N/m and is compressed from its equi- librium position by 7 cm, find the

    asked by Anonymous on February 10, 2013
  5. physics 2 HELP PLEASE!!

    Can someone help break this down.. Please tell me if what I identified is so far correct. Also what equations should I use??? x1= 10m x2=? v1= 1.2 m/s v2=? a= -9.8 m/s^2 t= ? 1.) a diver runs horizontally with a speed of 1.2 m/s off a platform that is 10.0

    asked by Heather on February 3, 2016
  6. physics

    An archer shoots an arrow horizontally with an initial velocity of 100 meters per second from a building that is 20 meters high. (air resistance is neglected) a. Calculate the time when the arrow is in the air. b. Find the horizontal distance the arrow

    asked by Anonymous on December 15, 2011
  7. Math Nightmare

    I need help The design of a new airplane requires a gasoline tank of constant cross-sectional area in each wing. A scale drawing of a cross section is shown here. The tank must hold 5000lb of gasoline, which has a density of 42 lb/ft3. Estimate the length

    asked by Fabian on March 13, 2008
  8. physics

    A golfer hits a shot to a green that is elevated 3.10 m above the point where the ball is struck. The ball leaves the club at a speed of 19.4 m/s at an angle of 33.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Tami on October 17, 2014
  9. physics

    A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 16.8 m/s at an angle of 30.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by randy on October 6, 2011
  10. Math

    a rope dancer was walking on a loose rope tied to the top of two equal post of height 9m. when he was 3m above the ground, it was found that stretched pieces of roop made angle of 30 degree and 60 degree with the horizontal line parallel to the ground.

    asked by Akash on January 25, 2018
  11. Microeconomics

    In a natural monopoly: A) Society would be better off if antitrust laws were used to create many different firms in the market B) The marginal cost curve is positively sloped C) If the government requires marginal cost pricing, it must pay the monopolist

    asked by G on September 23, 2008
  12. Physics

    A small steel sphere of mass 0.40 kg is attached by a 0.50 m long cord to a swivel pin set into the surface of a frictionless table top. The sphere moves in a circle on the horizontal surface with a speed of 6.0 m/s. a.) what is the magnitude of the

    asked by Alex on April 12, 2013
  13. physics

    A golfer hits a shot to a green that is elevated 2.60 m above the point where the ball is struck. The ball leaves the club at a speed of 16.7 m/s at an angle of 33.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by louis aaaa on June 23, 2013
  14. physics

    ok it says a shopper in a supermarket pushes a cart with a force of 36N directed at an angle of 26 degrees downward from the horizontal. find the work done by the shopper on the cart as the shopper moves along a 50.6m length of aisle. answer in units of J.

    asked by Claudia on November 1, 2008
  15. physics

    A flight attendent pulls her 78.6 N flight bag a distance of 344 m along a level airport floor at a constant velocity. The force she exerts is 44.8 N at an angle of 64.2 degrees above the horizontal. Find the coefficient of kinetic friction between the

    asked by Bob on March 1, 2009
  16. physics

    A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 14.2 m/s at an angle of 43.2° above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by victoria c on October 20, 2013
  17. Physics

    A children merry go round in the consist of 300 kg solid horizontal disk of radius 8.5 m. It rotates at a speed of .25 revolution per second while a person of mass 150 km takes a ride at the edge of the disk. How fast will the disk be rotating if the

    asked by Tsunayoshi on December 14, 2013
  18. Physics please help!!

    A stone is aimed at a cliff of height h with an initial speed of v = 64.0 m/s directed 55.0° above the horizontal, as shown in the Figure below by the arrow. The stone strikes at A, 7.31 s after launching. What is the height of the cliff? What is the

    asked by Julia on February 5, 2013
  19. physics

    A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 41.1° above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Dee on January 31, 2013
  20. physics

    A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 41.1° above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Dee on January 31, 2013
  21. physics

    a 20 kg crate is initially moving down a wall at a speed of 2.0 m/s. Determine the magnitude of the average force exerted by the person in order to stop the crate's downward motion in a distance of .50 m. The person pushes in a direction 53 degrees above

    asked by brit on January 8, 2012
  22. physics

    A tennis player serves a tennis ball it is moving horizontally when it leaves the racquet. When the ball travels a horizontal distance of 12 meters, it has dropped 55cm from its original height when it left the racquet. What is the initial speed of the

    asked by jack on September 13, 2015
  23. Physics

    A ladder of length 10m and weight 200N leans against a smooth wall such that its at an angle of 60 degrees to the horizontal. A boy of weight 500N stands on d ladder at 2.5m of the way from the lower end of the ladder. Calculate the normal reaction at the

    asked by Faith on December 30, 2015
  24. physics

    A golfer hits a shot to a green that is elevated 3.00 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 52.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Joe on February 8, 2013
  25. Physics

    A track has a height that is a function of horizontal position x, given by h(x) = x^3 + 4x^2 − 44x + 16. Find all the positions on the track where a marble will remain where it is placed. What kind of equilibrium exists at each of these positions? (Enter

    asked by James on June 22, 2012
  26. Fluid Mechanics

    A cylindrical tank 2m diameter and 4m long with its axis horizontal, is half filled with water and half filled with oil of density 800kg/m^3. Determine the magnitude and position of the net hydrostatic force on one end of the tank. The answers should be

    asked by Claire on November 3, 2010
  27. Physics(check my answer please!!)

    Hello, could you guys let me know if this looks right? Thanks in advance. A ball is fired at a speed of 8 m/s at 20 degrees above the horizontal from the top of a 5m high wall. a) what is the total velocity at the maximum height? b) how far from the

    asked by Timothy on October 3, 2016
  28. physics

    i need help understanding physics. im failing my class and don't want to do anything because i have zero clue where to start. im stuck on this problem currently. a cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of .20 m/s. how

    asked by kaleigh on November 2, 2015
  29. physics

    bull's-eye bob at a hunting range fires his rifle at a target 200 meters downrange. the bullet moves horizontally from the rifle barrel with a speed of 400 m/s? how far does the bullet drop from a straight line horizontal path bny the time it reaches the

    asked by Anonymous on April 29, 2015
  30. PHYSICS

    A spring gun, held horizontally 1.70 m above the ground, fires a 0.010 kg marble so that it lands a horizontal distance of 7.60 m away. If the gun is pointed straight up, and the same marble is fired, how high (in meters) will it rise? I tried using

    asked by Beckles on April 7, 2015
  31. PHYSICS

    A SUPERSONIC FIGHTER JET FLYING HORIZONTALLW AT HEIGHT OF 4KM ABOVE THE GROUND AND AT A SPEED OF 400M/S FIRES A ROCKET VERTICALLY DOWNWARD. THE ROCKET IS RELEASED WITH AN INITIAL SPEED OF 80M/S CALCULATE THE TIME OF FLIGHT OF THE ROCKET AND THE HORIZONTAL

    asked by Anonymous on March 23, 2016
  32. physics

    If the coefficient of static friction is 0.350, and the same ladder makes a 64.0° angle with respect to the horizontal, how far along the length of the ladder can a 71.9-kg painter climb before the ladder begins to slip? The same ladder is 46.7 Newtons in

    asked by heather on October 23, 2010
  33. Mathematics

    C & D is an observation post on the same horizontal ground at the foot A of a vertical tower AB, the tower is 18cm due north and 24m east of C. the angle of elevation of B from D is equals to 35\deg .give the diagram illustration, cal. to 3 sig. fig.

    asked by Eze Vivian on February 27, 2018
  34. physics

    A shell is fired from a gun with a muzzle velocity of 466m/s at an angle of 57.4 degrees with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment, whose speed immediately after the explosion is

    asked by Kelly on October 10, 2011
  35. physics

    a simple pendulum of lengh l,the mass of whose bob is m,is observed to have a speed v0 when the cord makes an angle theta0(0

    asked by laura on November 29, 2016
  36. PHYSICS -urgent

    A bomber in level flight, flying at 92m/s, releases a bomb at a height of 1950m. (a) How long is it before the bomb strikes earth? (19.9s) (b) How far does it travel horizontally? (1832m) (c) What are the horizontal and vertical components of its velocity

    asked by eddie on March 24, 2015
  37. Physics

    In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.050 s, during which time it experiences an acceleration of 380 m/s2. The ball is launched at an angle of 51° above the ground. Determine the

    asked by Cetris on February 28, 2015
  38. Math

    I need help and I forgot my book and class please help me solve theses Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks,

    asked by Kaylee on November 7, 2012
  39. Physics

    An artillery gun is trying to hit a target that is 7.2 km away. If the shell is fired at 680 ms-1 at what angle above the horizontal should the gun be fired to hit the target assuming that air resistance is negligible? [g=9.8 ms-2]

    asked by Rebecca on September 30, 2010
  40. Algebra..

    Find the slope of the straight line that passes through the given points or state that the slope is undefined. Then indicate if the line through the points rises (left to right), falls (left to right), is horizontal, or is vertical. 1. (7, 4) and (1, 1) 2.

    asked by Pat6 on September 14, 2012
  41. Physics

    A 0.58- kg flashlight is swung at the end of a string in a horizontal circle of 0.85- m radius with a constant angular speed. If no torque is applied, what must the radius become if the angular speed of the flashlight is to be halved?

    asked by kate on November 18, 2009
  42. Physics

    A merry-go-round makes one complete revolution in 9.1 s. An 18.8 kg child sits on the horizontal floor of the merry-go-round 4.7 m from the center. Find the child’s acceleration. The acceleration of gravity is 9.8 m/s 2

    asked by Jaleena on January 18, 2012
  43. Algebra II

    The shape of a supporting arch can be modeled by h(x)= -0.03^2+3x, where h(x) represents the height of the arch and x represents the horizontal distance from one end of the base of the arch in meters. Find the maximum height of the arch.

    asked by Jon on March 1, 2008
  44. Physics

    An object gets the acceleration 8.0 m/s2 in a vertical direction (y) but 5.0 m/s2 in a horizontal direction (x). What will be the position of the object at the time t=2.0 s if his initial postiotion was (0,0), initial speed in y-direction 0 and in

    asked by Physics: Motion in two dimensions? on May 16, 2014
  45. Physical science

    A projectile spends 20 seconds in the air. It reaches a peak height of 8 meters. How long does it take to reach it's peak height? The projectile has a range of 80 meters. What is it's horizontal velocity?

    asked by Rosie on June 21, 2011
  46. College Math

    I have been struggling with this problem I cannot get the right answer. Please give me the steps to solve this problem. Let f(x)= (2x-9)(x^2 + 6) (A) Find the equation of the line tangent to the graph of f(x) at x=3 (B) Find the values(s) of x where the

    asked by Ronnie on June 19, 2010
  47. physics

    A student atands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18.0 m/s. The cliff is 50.0 m above flat, horizontal beach. With what speed of impact does the stone land?

    asked by mb on September 26, 2008
  48. Physics

    A sled rope is held at an angle of 45 degrees with the horizontal ground. A force of 60 N acting parallel to the ground is required to keep the sled in motion. How much force must be exerted on the rope?

    asked by Adam on March 5, 2013
  49. Physics

    In New Hampshire the average horizontal component of Earth's magnetic field in 1912 was 16 uT, and the average inclination or "dip" was 73 degrees. What was the corresponding mag-nitude of Earth's magnetic field?

    asked by Michelle on November 12, 2012
  50. physics

    a frog sees an insect at a horizontal distance of 1meter from it .the frog can jump with a maximum speed of 4m/s in any direction .find the mimimum distance that the insect has to keep the frog so that it can escape from the frog

    asked by girl on September 23, 2018
  51. Physics

    A horizontal rope is tied to a 45.0kg box on frictionless ice. What is the tension in the rope if: A) The box is at rest? B) The box moves at a steady vx = 4.40m/s ? C) The box vx = 4.40m/s and ax = 4.60m/s2 ?

    asked by TlP on May 11, 2014
  52. Social studies

    1.These Chinese inventions allowed soldiers to fight on horseback A)block and tackle B)taps and dies C)rack and pinion D)saddle and stirrups*** 2. The Shang made there first capital city A) anahuac B)Beijing C)Anyang*** D)gobi 3.the best-known Shang art

    asked by Oliver on January 16, 2018
  53. physics help

    Please explain the answers. Thank You 1. A rifle is fired horizontally over a large flat plane. At the instant the rifle is fired, a student drops a second identical bullet from the same height as the rifle. Which bullet hits the ground first? 2. A monkey

    asked by Mia on March 19, 2015
  54. physics

    To move a large crate across a rough floor, you push on it with a force F at an angle of 21°, below the horizontal, as shown in the figure. Find the acceleration of the crate, given that the mass of the crate is m = 38 kg, the applied force is 329 N and

    asked by anonymous on October 14, 2011
  55. Physics

    A man drags a table 4.25 m across the floor, exerting a constant force of 54.0 N, directed 28.0° above the horizontal. I have found the work done by the applied force to be 202.6 J but I can't find the second part of the question which is below. (b) How

    asked by Cindy on October 4, 2011
  56. physics

    Running into the train at that speed would severely damage both train and passengers. Calculate the minimum time Superman must take to stop the train, if the passengers experience an average horizontal force of 0.520 their own weight. and How far does the

    asked by katie(again same question diff parts) on February 20, 2008
  57. Physics

    A firefighter 41.8m away from a burning building, directs Zach stream of water from a ground level fire hose at an angle of 33.0 degrees above the horizontal . If the speed of the streams it leaves the hose is 42.7m/s, at what height will the stream of

    asked by Sarah on September 8, 2013
  58. Physics

    A golf ball is hit with an initial angle of 54.7o with respect to the horizontal and an initial velocity of 85.1 mph. It lands a distance of 104.3 m away from where it was hit. By how much did the effects of wind resistance, spin, and so forth reduce the

    asked by Emily on January 30, 2011
  59. Physics/Mechanics

    Two part Question: A load of 1500N is to be at Height of 3m above the ground. The available Incline planes are 10 degrees and 40 Degrees to the horizontal. Find out the Work Done by effort on the 10 degrees and 40 Degrees ramps. Assume the coefficient of

    asked by Jamie on July 5, 2016
  60. physics

    Cameron kicks a football with an initial vertical velocity of 18.5 m/s and an initial horizontal velocity of 18 m/s and there is a flight time of approximately 2.0 s. Will the field goal travel far enough to make the field goal from 29 m away (if the ball

    asked by Danny on September 12, 2014
  61. physics

    An open railroad car of mass 2449 kg is coasting with an initial speed of 17 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 10 m/s. How much

    asked by glenmore on December 4, 2011
  62. algebra

    A horizontal pedestrian bridge is supported from a parabolic arch. The bridge goes above a roadway that is 49 feet wide. At ground level, the Main Street span of the arch touches the ground, the arch is 16 ft. High. How tall is the arch at it’s tallest

    asked by Sarah on October 1, 2018
  63. physics - HELP ASAP!

    A 3.60 kg ball is dropped from the roof of a building 184.8 m high. While the ball is falling to earth, a horizontal wind exerts a constant force of 12.1 N on the ball. (acceleration of gravity = 9.81 m/s^2) How far from the building does the ball hit the

    asked by Desperate Help! on November 7, 2009
  64. Physics

    Consider the box being pulled across the horizontal surface again. If the box has a mass of 10kg, the coefficient of friction is 0.25,the distance that the box is pulled is 5m, the force is 150N and the angle is 30 degrees, ehat was the initial speed of

    asked by Aishah on August 19, 2016
  65. Physics

    To move a large crate across a rough floor, you push on it with a force F at an angle of 21° below the horizontal, as shown in the figure. Find the force necessary to start the crate moving, given that the mass of the crate is m = 29 kg and the

    asked by HELP PLEASE on October 27, 2012
  66. Physics

    A dart leaves a toy dart gun with initial velocity of 7.76 m/s, regardless of the angle it is fired. What is the maximum horizontal distance that the dart can travel? Assume that the dart gun is fired at ground level. Answers: A) 6.14 m B) 3.88 m C) More

    asked by Agent P on September 5, 2017
  67. physics(moment/equilibrium)

    A pole AB of length 10m and weight 600N has its centre of gravity 4m from the end A,and lies on horizontal ground. Calculate the force required to beging tto lift the end. Why would this force applied at the end A not be sufficient to lift the end A

    asked by benjieo on June 12, 2014
  68. science

    a framed picture of weight 15N is to be hung on a wall using a price of string . the end of the string are tied to two points ,0.60m apart on the same horizontal level ,on the back of the picture .Find the tension in the string if the string is (a) 1.0 m

    asked by soumya on September 19, 2017
  69. Physics-Mechaincs

    A force of 23.52 N pushes and pulls to blocks as shown in the figure below. The vertical contact surfaces between the two blocks are frictionless. The contact between the blocks and the horizontal surface has a coefficient of friction of 0.29. The

    asked by Genevieve on September 24, 2010
  70. physics

    A 5-g marble, released form rest, was allowed to roll on a ramp whose lower end is 25 cm from the floor. When it left the ramp, it behaved like a body in projectile motion. What was the horizontal velocity of this marble when it left the ramp? With what

    asked by kik on March 6, 2011
  71. physics

    A pole AB of length 10m and weight 600N has its centre of gravity 4m from the end A,and lies on horizontal ground. Calculate the force required to beging tto lift the end. Why would this force applied at the end A not be sufficient to lift the end A

    asked by benjieo on June 12, 2014
  72. 11th grade

    A box is sliding up an incline that makes an angle of 16.0° with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.30m/s.

    asked by shan lalani on September 20, 2010
  73. Physics

    Two spheres A and B of equal mass are free to move on a smooth horizontal surface. A and B move towards each other with velocity vectors ai+bj and ci+dj r respectively and collide when the line joining their centres is parallel to i. After impact A and B

    asked by Yash on April 8, 2015
  74. Physics

    A pilot flying low and slow drops a weight; it takes 2.8 s to hit the ground, during which it travels a horizontal distance of 100 m . Now the pilot does a run at the same height but twice the speed. How much time does it take the weight to hit the ground?

    asked by Lina on September 11, 2015
  75. Physics

    An open railroad car of mass 2445 kg is coasting with an initial speed of 22 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 5 m/s. How much

    asked by Alex on May 30, 2012
  76. physics

    The tension at which a fishing line snaps is commonly called the line's "strength." What minimum strength is needed for a line that is to stop a salmon of weight 85 N in 9.0 cm if the fish is initially drifting at 2.5 m/s? Assume a constant deceleration

    asked by Anonymous on October 15, 2010
  77. Math

    A 6.4 ton military fighter must land on a flight strip. If the plane lands at a speed of 368 mph, and the coefficient of kinetic friction is 0.72 between the wheels and the ground. If the runway must be at least 150% as long as the shortest possible

    asked by Chelsea on June 2, 2009
  78. physics

    Pls help me. Explain the following a. When methylated spirit is poured on the skin, it has cooling effect, b. A piece of ice at 0 degree Celsius cools a drink more effectively than the same mass of cold water at 0 degree Celsius, c Ice floats on water, d.

    asked by rita on May 12, 2018
  79. statistics

    The weights of pineapples grown are approximately normally distributed with a standard deviation of 2.5 and mean of 31 ounces. Suppose a single pineapple is selected at random. a. If a single pineapple is selected at random, what is the approximate

    asked by James on January 18, 2010
  80. math magic square

    on a four by four grid distribute the numbers 1 through 8 and -1 through -8 so that all horizontal, vertical and main diagonals equal zero http://mathworld.wolfram.com/MagicSquare.html You have to b a smart kid to answer this soo you cant you silly person

    asked by kelly on February 6, 2007
  81. stoichiometry

    2. A feed ingredient gave the following percentage analysis moisture (16.0%), protein (18.0%), and fibers and minerals (66.0). If the moisture content were to be reduced by drying material in order to bring up the protein to 20.0%, what should be the final

    asked by lecille gaudiano on February 16, 2016
  82. calculus review please help!

    1) Find the area of the region bounded by the curves y=arcsin (x/4), y = 0, and x = 4 obtained by integrating with respect to y. Your work must include the definite integral and the antiderivative. 2)Set up, but do not evaluate, the integral which gives

    asked by Danni on March 22, 2017
  83. PHYSICS

    A player kicks a ball at an angle of 37degree with the horizontal and with an initial speed of of 48ft/s. A second player standing at a distance of 100ft from the first in the direction of the kick starts running to meet the ball at the instant it is

    asked by CHRISTINE on May 28, 2016
  84. principle of management

    Posted by vedrana on Tuesday, March 13, 2012 at 9:39am. An announcement of the company-sponsored picnic travels from the employees’ social committee to the other employees through email. This communication is ______ and ________. a. Horizontal;

    asked by vedrana on March 13, 2012
  85. Calculus

    A ball is thrown from the origin of a coordinate system. The equation of its path is y = mx - e^2m/1000 . x^2, where m is positive and represents the slope of the path of the ball at the origin. For what value of m will the ball strike the horizontal axis

    asked by Candy on January 29, 2009
  86. Science-Physics

    You push a 67 kg box across a floor where the coefficient of kinetic friction is uk = .55. The force you exert is horizontal. (a) How much power is needed to push the box at a speed of .50 m/s? (b) How much work do you do if you push the box for 35 s?

    asked by Erica on January 9, 2011
  87. math

    help me ..... Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the

    asked by weloo_volley on April 24, 2012
  88. Algebra

    A golf ball is hit with an initial velocity of 140 ft per second at an inclination of 45 degrees to the horizontal. In​ physics, it is established that the height h of the golf ball is given by the function h(x)=-32x^2/140^2+x, How far does the golf ball

    asked by mu on October 7, 2015
  89. math

    Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the absolute

    asked by weloo_volley on April 30, 2012
  90. math

    help me ..... Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the

    asked by weloo_volley on April 24, 2012
  91. Physics help

    Fortune tellers use crystal balls to see the future. A fortune teller has a crystal ball with an index of refraction of 1.5 and diameter of 0.2 m. You sit on one side of the ball and the fortune teller sits on the other. She holds up a small red jewel on

    asked by SOmebody on May 23, 2013
  92. Pyhsic problem..Please help

    Fortune tellers use crystal balls to see the future. A fortune teller has a crystal ball with an index of refraction of 1.5 and diameter of 0.2 m. You sit on one side of the ball and the fortune teller sits on the other. She holds up a small red jewel on

    asked by pyhsiclover on May 21, 2013
  93. physics

    A room has dimensions 3.00 m (height) 3.70 m 4.30 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. (a) What is the magnitude of its displacement? (b) Could the length of its path be less than this magnitude? (c)

    asked by hannah on January 19, 2010
  94. Physics HELP!!

    A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back cover are perpendicular to the book and are horizontal. The book weighs 29.7kg. The coefficient of static friction between his hands and

    asked by joane on October 15, 2012
  95. physics

    a spring lies on a horizontal table, and the left end of the spring is attached to the wall. the other is connected to a box. the box is pulled to the right, stretching the spring static friction exists between the table and the box

    asked by Anonymous on October 23, 2014
  96. geometry

    In the figure shown (sorry no diagram, but description below), NK and ML are parallel, JN=10 feet, NK=14 feet, JL=22 feet, and ML=24. Find KL. Its a triangle with JN and NM on the left side and JK and KL on the right side. NK is a horizontal line in the

    asked by shb on February 9, 2011
  97. physics

    a 20 kg traveler's bag is being pulled along the floor with a force of 50 NF. the force is applied on the handle forming an angle of 30 degree with the horizontal. neglecting friction,what is the acceleration og the bag? How much force is exerted by the

    asked by jhon on November 30, 2014
  98. physics

    a 20 kg traveler's bag is being pulled along the floor with a force of 50 NF. the force is applied on the handle forming an angle of 30 degree with the horizontal. neglecting friction,what is the acceleration og the bag? How much force is exerted by the

    asked by jhon on November 29, 2014
  99. Physics

    A circular loop of wire with radius 0.0450 m and resistance 0.154 R is in a region of spatially uniform magnetic. The magnetic field is directed out of the plane. The magnetic field has an initial value of 7.89 T and is decreasing at a rate of -0.630 T/s.

    asked by Kyle on February 29, 2012
  100. English

    It was two by the village clock, When he came to the bridge in Concord town. He heard the bleating of the flock, And the twitter of birds among the trees, And felt the breath of the morning breeze Blowing over the meadows brown. And one was safe and asleep

    asked by 303 on October 21, 2012