1. science

    How can you tell if a hiker has to hike the steepest elevation? A) The contour lines are evenly spaced. B) The contour lines are spaced farther apart. C) The contour lines are spaced closer together. I really don't know! Please help, God bless you.

    asked by Arthur on November 22, 2017
  2. math

    a hiker can hike 12 3/5 miles in one day. how many days will it take the hiker to hike 72 1/2 miles on a trail?

    asked by dawn on September 25, 2017
  3. Physics

    1)Consider a contour map for the region around a hilltop. a) at some point on the map, in which direction ( relative to the contour lines) is the direction of steepest ascent. b) what can you say about spacing of contour lines versus the steepness of the

    asked by Sarah (C) on July 10, 2011
  4. earth science

    Select all of the answers that apply. Some rules to remember when reading topographic maps are _____. 1)the elevations of contour lines must always be whole number multiples of the contour interval. 2)the thin line separating two different rock units is a

    asked by george on April 8, 2010
  5. Math

    You begin a hike in death valley, California,at -86 meters.You hike to a point of elevation at 45 meters. What is your change in elevation

    asked by Anonymous on September 6, 2016
  6. physics

    A 55 kg hiker starts at an elevation of 1600 m and climbs to the top of a 3400 m peak. (a) What is the hiker's change in potential energy?

    asked by Danny on July 10, 2012
  7. 2 questions really urgent

    sorry i have 2 more questions: what happens when a contour line crosses a river: stays flat, bends upstream , stops why do contour lines never cross eachother: they each represent a different elevation, the map would be too confusing, you cant tell the

    asked by Polly on March 19, 2013
  8. Science (Maps)

    Must all topographic maps have a contour line that represents 0 m of elevation? I'm not sure about this question, but I don't think you do need a line of 0 m because each contour line is exactly the same apart from each other, so you could just subtract

    asked by Cocoa on November 15, 2007
  9. Science

    Must all topographic maps have a contour line that represents 0 m of elevation? I'm not sure about this question, but I don't think you do need a line of 0 m because each contour line is exactly the same apart from each other, so you could just subtract

    asked by Help Plz! on November 15, 2007
  10. calculas maths

    .Two hikers begin at the same location and walk in perpendicular directions. Hiker A travels due north at a rate of 3 miles per hour; Hiker B travels due east at a rate of 5 miles per hour. At what rate is the distance between the two hikers changing 4

    asked by ashwani on November 3, 2012
  11. Physics: Vectors

    A hiker walks 10.0 km[NE], 5.0 km[W], and then 2.0 km[S] in 2.5 h. (a) What is the hiker's displacement? (b) In what direction must the hiker set out, in order to return by the most direct route to the starting point? (c) If the hiker walks at a constant

    asked by Joey on June 20, 2012
  12. Math Functions

    Please help me.. A mountain climber begins a hike at an elevation of 6000 feet. She then climbs such that her elevation increases by 1000 feet per hour. Let x = the amount of time that the climber has been hiking, in hours. Let E(x) = the elevation of the

    asked by Ayaka on October 17, 2016
  13. science/maps

    Can a contour line on a topographic map connect a point with an elevation of 100 feet to a point with an elevation of 110 feet? Explain why or why not.

    asked by linda on February 18, 2011
  14. Science (Physics)

    1.A hiker started to walk from her campsite heading east with a velocity of 5 m\s after 6 seconds, she attained a velocity of 7 m\s. What is the average velocity of the hiker? What is the hiker’s acceleration? If the hiker continues walking for another

    asked by Shannon on September 21, 2012
  15. Earth Science

    A contour (topographic) map indicates that a stream is flowing across a landscape. If the stream has a constant volume, where on the map would the stream most likely have the highest velocity? a. As the stream moves across several closely spaced contour

    asked by Paula on September 30, 2013
  16. science

    must all tpopgraphic maps have a contour line that represents 0m of elevation explain

    asked by Anonymous on November 10, 2013
  17. math

    Mrs.rushford began to hike at an elevation of negative 40 feet. her elevation decreased by 90 feet in one hour what was Ms.rushford elevation after 1 hour

    asked by brooke on November 14, 2010
  18. math

    The horizontal distance between the town of Sko (elevation 40 m) and a hut (elevation 943 m),a resting place for hikers, is 6.68 miles. If a hiker traveled in a straight line from Sko to the hut, the average include would be ___ percent.

    asked by Nabil on January 19, 2013
  19. Science

    Three people hiked to the top of the hill represented by the following topographic map. Each hiker started at the same elevation but at different locations around the hill. Use this map for questions 4 - 6. (All of them are at a elevation of 180 meters and

    asked by Science help on November 15, 2017
  20. physics

    2.A hiker used a compass to orient himself as he walked 3.00 km in a direction 50.0° north of west, and then an additional 2.00 km in a direction 20.0° south of west. The trip took 1.25 hours. Calculate the magnitude and direction of the hiker’s

    asked by sherry on July 5, 2017
  21. math

    Mrs.Chavez is on an 8-kilometer hike. She wants to reach the halfway point of the hike in 3 hours. She plans to hike 1.5 kilometers the first hour and 1.5 kilometers the second hour. What could she do to determine how far she should hike in the third hour?

    asked by Colton on February 23, 2012
  22. Science

    On a topographic map, five contour lines are very close together. The contour interval is 100ft. How high is this feature? Answer: 400ft

    asked by Sue on November 4, 2015
  23. Math

    A group of friends went on a hiking trip. They planned to hike a total of 38 miles. They want to complete 25% of the hike by the end of the first day. About how many miles should they hike the first day?

    asked by Anonymous on November 17, 2015
  24. calc

    The department of transportation has proposed a new 7-mile stretch of highway. The elevation of the highway x miles along the path is given by E(x)=.004 (x^4-8x^3)+2. Where is the steepest point

    asked by Anonymous on April 16, 2015
  25. Physics

    An 80 kg hiker climbs a 1000 m high hill at a constant speed. If the hiker's body is 25% efficient, how many kg of fat does the hiker burn in climbing the hill? Given: heat of reaction of body fat is 37000 kilo joules per kilogram. I know that change in

    asked by Bobby on February 15, 2014
  26. algebra

    The formula for determining how long a hike will take is t=12(d+h) , where d is the distance in miles and h is the elevation gain in thousands of feet. Solve for h.

    asked by Anonymous on October 5, 2017
  27. science/maps

    On a topographic map, how would you show a hill with an elevation of 80 feet if the contour interval is 10 feet?

    asked by linda on February 18, 2011
  28. Physics

    A hiker throws a ball at an angle of 21.0 degrees above the horizontal from a hill 21.0 m high. The hiker's height is 1.750 m. The magnitudes of the horizontal and vertical components of the velocity are 14.004 m/s and 5.376 m/s, respectively. Find the

    asked by Willie on September 21, 2009
  29. Algebra

    Two hikers are 22 miles apart and walking toward each other. They meet in 5 hours. Find the rate of each hiker if one hiker walks 2.2 mph faster than the other.

    asked by Pat on February 25, 2017
  30. PHSYICS

    A HIKER SHOUTS TOWARD A VERTICAL CLIFF 685 M AWAY. THE ECHO IS HEARD 4.00 SECONDS LATER. WHAT IS THE SPEED OF SOUND OF THE HIKER'S VOICE IN AIR?

    asked by ROWDY ANDRESS on November 8, 2010
  31. Physics

    A hiker throws a rock with a mass of 1.4kg from a cliff that is 37 m above the ground . The hiker gives the rock an initial downward velocity of 8.5 m/s. a) What is the energy of the rock at the moment the hiker releases it? b) What is the velocity of the

    asked by cee on May 4, 2014
  32. Math

    a group of friends went on a hiking trip. they planned to hike a total of 38 miles. they want to complete 25% of the hike by the end of the first day.

    asked by Tiffany on September 24, 2013
  33. Geometry

    To reach a campsite, a hiker first walks for 2 mi at a bearing N 40 degree E. Then He walks 3 mi due east. What are the magnitude and direction of his hike from his stating point to the campsite? Round the distance to the nearest tenth of a mile and the

    asked by Jay on November 28, 2011
  34. Physics

    A 67 kg hiker climbs to the top of a 3700 m-high mountain. The climb is made in 5.5 h starting at an elevation of 2800 m. Calculate assuming the body is 16% efficient, what rate of energy input was required.

    asked by Kristie on March 1, 2011
  35. physics

    On a 3 day hike a hiker walks 40 km due south the first day, 30 km at an angle of 40 degrees south of east the second day, and 25 km at an angle of 45 degrees north of west the third day. What is the person's displacement from her original position?

    asked by Samantha Murillo on September 26, 2011
  36. Math

    Indira and Jean begin their hike at 10 a.m. one morning. They plan to hike from the 2 2/5-mile marker to the 8 1/10-mile marker along the trail. They plan to hike at an average speed of 3 miles per hour. Will they reach 8 1/10-mile marker by noon? Explain

    asked by Secret Student on November 4, 2015
  37. science

    would a map with a 25ft. contour interval or a 50 ft. contour interval show more detail?

    asked by Anonymous on October 17, 2008
  38. math

    A hiker is 400 meters away from the base of the radio tower. The angle of elevation to the top of the tower is 46 degrees . How high is the tower?

    asked by Daniela on February 20, 2017
  39. Physics

    A tourist hikes 3.4 km North to visit a landmark and then hikes an additional 1.2 km South to a lake. What is the hiker's total distance traveled and the hiker's displacement?

    asked by Black on October 3, 2017
  40. maths

    Two hikers begin walking towards each other from an initial distance of 20 km apart. Hiker P averages 4 km/h while hiker Q averages 6 km/h. When and where do they meet?

    asked by Jannie on October 13, 2010
  41. physics

    A hiker shouts toward a vertical cliff 660 m away. The echo is heard 4.00 s later. (a) What is the speed of sound of the hiker's voice in air? (b) The wavelength of the sound is 0.758 m. What is its frequency? (c) What is the period of the wave?

    asked by willis tower on February 5, 2013
  42. Physics

    A hiker shouts toward a vertical cliff 675 m away. The echo is heard 4.00 s later. (a) What is the speed of sound of the hiker's voice in air? m/s (b) The wavelength of the sound is 0.774 m. What is its frequency? Hz (c) What is the period of the wave?

    asked by Tiara on January 5, 2011
  43. Calculus AB

    A hiker walks due east for 40 minutes, then changes course by going South 25 degrees West. After 20 minutes, he changes course again, this time at South 75 degrees East. He goes through this path for one hour after which he heads north reaching his final

    asked by Michael on July 30, 2016
  44. English

    1. Tadpole noodles are made from corn. 2. Tadpole noodles are made of corn. (Which one is right?) 3. She is going to go for a hike. 4. She is going to go hiking. 5. She is going to go on a hike. 6. She is going to go out for a hike. (Are the four sentences

    asked by rfvv on August 27, 2012
  45. Math

    Two tourists went on a hike at dawn. One went from a to b and another one went from b to a. They met at noon but did not stop and continued walking maintaining same speed for the whole trip. One finished his hike at 4pm in B and another one came to A at 9

    asked by Jin on October 31, 2017
  46. maths

    a hiker walk due east at 4km per hour and a second hiker starting from the same point walks 55 degree north-east at the rate of 6km per hour. H ow far apart will they be after 2 hours

    asked by bushra on February 15, 2013
  47. Physics

    A hiker hikes in a straight line and maintains a constant velocity of +0.5 m/s. At time t=0.0 s, the hiker is 30 m from point A. What is the displacement from point A at 120 s? a. 60 m c. 120 m b. 90 m d. 15 m

    asked by John on October 28, 2014
  48. physics

    The route followed by a hiker consists of three displacement vectors , , and . Vector is along a measured trail and is 1060 m in a direction 20.0 ° north of east. Vector is not along a measured trail, but the hiker uses a compass and knows that the

    asked by jennifer on May 29, 2012
  49. Science

    Contour lines that are close together always indicate steeper slopes than contour lines which are spaced farther apart Do you agree or disagree explain? I agree but I don't know how to explain

    asked by M on October 23, 2014
  50. physics

    1)A hiker throws a ball at an angle of 21.0 above the horizontal from a hill 21.0 m high. The hiker's height is 1.750 m. The magnitudes of the horizontal and vertical components are 14.004 m/s and 5.376 m/s, respectivley. Find the distance between the base

    asked by Anonymous on April 16, 2008
  51. math

    luisa hike 7 miles of a 21 mile trail .What percent of the trail did she hike

    asked by iwona on March 9, 2016
  52. maths

    a hiker walk due east at 4km per hour and a second hiker starting from the same point walks 55 degree north-east at the rate of 6km per hour. H ow far apart will they be after 2 hours. this is my ques but .i am having problem that if the hiker walks 55

    asked by annny on February 17, 2013
  53. math

    Franco hikes 4 miles each day for 5 days. He carries 100 ounces of water with him. It takes him 1 hour to hike 4 miles. How many hours did he hike in 5 days?

    asked by Ty on January 27, 2015
  54. calculus

    a) Let f(z) = z^2 and γ(t) = 1 + it^3, t ∈ [0,1]. i) Write out the contour integral ∫γ f(z)dz as an integral with respect to t. You do not need to evaluate this integral. ii) Evaluate the integral ∫0,1+i z^2dz iii) What is the relationship between

    asked by jack on March 5, 2016
  55. Math

    A certain part of a hiking trail slopes upward at about 10° angle. After traveling a horizontal distance of 120ft along this part of the trail. What would be the change in hiker's vertical position? What distance has the hiker traveled along the path?

    asked by Ieza on March 27, 2016
  56. Geology

    One of the curious things about the loss of life in regions surrounding the Bay of Bengal is that some 38,195 lives were lost in Sri Lanka, whereas only 2 lives were lost in Bangladesh. How could this be? It certainly couldn’t be the difference in

    asked by Anonymous on February 27, 2010
  57. phsycis

    A 62 kg hiker climbs to the top of a 3700 m-high mountain. The climb is made in 5.0 h starting at an elevation of 2600 m. Calculate the average power output in watts. Calculate the average power output in horsepower.

    asked by peyton on March 2, 2010
  58. English

    Homework Help: English Posted by rfvv on Tuesday, October 27, 2015 at 9:18am. 1. Tomorrow, we're going to go to hike. 2. Tomorrow, we're going to go hiking. =================== Which one is grammatical? Are both grammatical? Then, what is the differencein

    asked by rfvv on October 29, 2015
  59. physics

    A hiker makes four straight-line walks A 31 km at 299 degrees B 32 km at 210 degrees C 29 km at 59 degrees D 22 km at 150 degrees in random directions and lengths starting at position (41 km, 41 km). Which vector will return the hiker to the starting

    asked by Joe Rogers on September 21, 2012
  60. English

    1. Tadpole noodles are made from corn. 2. Tadpole noodles are made of corn. (Which one is right?) 3. She is going to go for a hike. 4. She is going to go hiking. 5. She is going to go on a hike. 6. She is going to go out for a hike. (Are the four sentences

    asked by rfvv on August 27, 2012
  61. math

    A hiker travels N 33 degrees W for 15km, then turns 90 degrees and walks 12km in the direction S 57 degrees W At that time how far is the hiker from his starting point? What is his bearing from his starting point?

    asked by sandra on January 10, 2012
  62. Physics

    The Alert Hiker: An alert hiker sees a boulder fall from the top of a distant cliff and notes that it takes 1.3s for the boulder to fall the last third of the way to the ground. a.What is the height of the cliff in meters? b.If in part (a) you get two

    asked by Zalak on November 21, 2012
  63. math

    A group of hikers walk to a lake near the park. They hike 2,408 meters to the lake. They take a shortcut back to the park that is 1,457 meters long. How many kilometers is their hike ?

    asked by sam on December 2, 2013
  64. math

    If a hiker walks trail B (1 mile in length) at 6 mph and trail C (3 mils in length) at 2 mph, what is the hiker's overall average speed, in mph, for hiking on the two trails?

    asked by jake on January 28, 2013
  65. Reading

    What are some differences between the diary of Anne frank and the hitch-hiker I put that in the diary if Anne frank there is no foreshadowing and they have different personalities and that hitch hiker is a thriller story what else ca I write?

    asked by Anonymous on March 15, 2013
  66. College Physics

    A wooden bridge crossing a canyon consists of a plank with length density λ = 2.25 kg/m suspended at h = 10.89 m below a tree branch by two ropes of length L = 2h and with a maximum rated tension of 2000 N, which are attached to the ends of the plank, as

    asked by Kimmy on November 11, 2013
  67. Math College 115

    A hiker can walk 2 miles in 43 minutes. What is his average speed in miles per hour? Round your answer to two decimal places. The hiker's average speed is ___ miles per hour. What formula can be used to find the distance travel, d, in miles in t hours?

    asked by Hneo on September 5, 2016
  68. math help pleaseee (: ! <345

    One hiking club charges $20 to become a member and $5 to participate on each hike. Anotherclub charges no membership fee, but charges $7 to participate on each hike. How many hikes must you go on to make the first club more economical ?(:

    asked by Mary on January 8, 2009
  69. physics

    A 64 kg hiker climbs to the top of a 3700 m-high mountain. The climb is made in 5.5 h starting at an elevation of 2900 m. Calculate the average power output in watts. Calculate the average power output in horsepower & Calculate assuming the body is 14%

    asked by mike on October 10, 2010
  70. 3rd grade math

    The hike back to jill's house took an hour. they walked for 1/2 hour amd stopped for a water break. how much longer did they have to hike to get back to jill's house. write the answr in a fraction and in minutes.

    asked by mythreyee on January 23, 2013
  71. Physics

    A wooden bridge crossing a canyon consists of a plank with length density λ = 2 kg/m suspended at h = 10.0 m below a tree branch by two ropes of length L = 2h and with a maximum rated tension of 2000 N, which are attached to the ends of the plank, as

    asked by Giancarlo on September 6, 2014
  72. groundwater science

    Assume that a gaining stream exists in physical connection with groundwater in an unconfined aquifer. Assume that several contour lines of equal head cross the stream and intercept it. True or False: Since the stream is gaining, the contour lines of equal

    asked by mark on February 12, 2011
  73. Physics

    A 56.6kg hiker starts at an elevation of 1270m and climbs to the top of a 2660 peak. (I know the answers to B and C, I just have a question on A) A) What is the change in the hikers potential energy? I took PE=mg(h2-h1) and got

    asked by Elisabeth on June 6, 2010
  74. trigo

    0 point midway between two objects one lying three times as far as the other one, the c of elevation of the taller is twice the smaller c of elevation. find the c of elevation?

    asked by osep on July 30, 2015
  75. Writing

    What is the correct way to write this sentence? For the fourth-grade class hike, a lot if kids wore new hiking shoes, they were sturdy. Answer choices A For the fourth-grade class hike, there were a lot if kids they wore new hiking shoes that were sturdy.

    asked by Ashley on March 26, 2017
  76. groundwater science

    Assume that a losing stream exists in physical connection with groundwater in an isotropic unconfined aquifer. Assume that several contour lines of equal head cross the stream and intercept it. These contour lines of equal head are "V-shaped", with the

    asked by dan on February 19, 2011
  77. Trigonometry

    Two hikers are wandering through heavy woods with walkie talkies. The walkie talkies have a range of 0.0568182 miles. From their starting point, they head off at an angle of 109.167° of each other. Hiker 1 walks 0.24 miles per hour, hiker 2 walks 0.17

    asked by Miles on March 1, 2017
  78. Earth science

    The following questions are based on the “Mt. Dome, California,” quadrangle (Figure 33-2 found on page 228 of the Laboratory Manual; enlarged to scale 1:48,000; contour interval 40 feet) and the stereogram of the same region (Figure 33-3 found on page

    asked by Diamond on July 13, 2013
  79. Math Pythagorean

    A hiker goes 3 miles north, 2 miles east, one mile south, 4 miles east and then 2 miles north. After an injury, he sends his coordinates to a helicopter rescue team. If the helicopter starts at the same place as the hiker did, and it flew in a straight

    asked by Hori on April 22, 2016
  80. physics

    A hiker starts at his camp and moves the following distances while exploring his surroundings: 70.0m north, 2.75 x 10^2m east, 130m at an angle 30.0 degrees north of east, and 1.50 x 10^2m south. a.) find his resultant displacement from camp. (take east as

    asked by george on January 30, 2013
  81. Physical Science

    What is the hiker's total displacement? part a of the hike: distance:4km east start time: 9:00 am end time: 9:45 am part b: distance:6 km south start time: 9:45 am end time: 10:45 am part c: distance:4 km west start time:10:45 am end time: 11:15 part d:

    asked by dark1 on February 20, 2014
  82. physics

    The Pacific Crest Trail runs from the Mexican border to the Canadian border through California, Oregon, and Washington,covering 2650 miles of trail, but only about 1000 straight-line miles. B).If you hike this trail in 14.0 weeks, from Mexico to

    asked by mely on January 26, 2011
  83. physics

    as a hiker descends a hill, the work done by gravity on the hiker is a.) positive and depends on the path taken b.) negative and depends on the path taken c) positive and indepedent of the path taken d.)negative and independent of the path taken

    asked by tina on October 11, 2010
  84. Physical Geography PLEASE CHECK & HELP WITH #2!

    The following questions are based on the “Mt. Dome, California,” quadrangle (Figure 33-2 found on page 228 of the Laboratory Manual; enlarged to scale 1:48,000; contour interval 40 feet) and the stereogram of the same region (Figure 33-3 found on page

    asked by Sandra on June 30, 2012
  85. MATH TRIG

    FROM A DISTANCE OF 80 M. THE ANGLE OF ELEVATION OF THE TOP OF A FLAGPOLE IS 18 DEGREES. dETERMINE THE HEIGHT OF THE FLAGPOLE.(NEAREST TETH OF A M. mY CONFUSION IS ANGLE OF DEPRESSION AND ANGLE OF ELEVATION. mY TECHER CALLS FROM TOP ELEVATION WHILE i INSIST

    asked by JASON on May 14, 2009
  86. Math

    the elevation of a sunken ship is -120 feet. your elevation is 5/8 of the ship's elevation. what is your elevation?

    asked by Gennady on September 14, 2018
  87. geology

    Given a scale of 1:24,000: A. What is the ground distance in feet represented by three inches on the map? 72000in 6000ft B. What is the ground distance in meters represented by 5 cm on the map? 120meters C. How about the ground distance in kilometers

    asked by karen on March 6, 2011
  88. science

    Which side of the hills (compass direction) is the steepest?

    asked by Anonymous on March 7, 2009
  89. Physics

    A hiker follows a route that consists of three displacement vectors A, B, and C. Vector A is along a measured trail and is 1550 meters in a direction 25 degrees north of east. The direction of Vector B is 41 degrees east of south, and the direction of

    asked by Anonymous on January 20, 2009
  90. math

    A scuba diver dove from the surface of the ocean to an elevation of −89 9 10 feet at a rate of −24 feet per minute. After spending 11.75 minutes at that elevation, the diver ascended to an elevation of −8 9 10 feet. The total time for the dive so far

    asked by Anonymous on October 4, 2017
  91. 淤ㄇ

    A scuba diver dove from the surface of the ocean to an elevation of −59 9 10 feet at a rate of −12 feet per minute. After spending 14.5 minutes at that elevation, the diver ascended to an elevation of −8 9 10 feet. The total time for the dive so far

    asked by ㄑㄎ濕濕ㄎㄎ on October 4, 2016
  92. math

    A scuba diver dove from the surface of the ocean to an elevation of −99 9 10 feet at a rate of −30.7 feet per minute. After spending 14 minutes at that elevation, the diver ascended to an elevation of −8 9 10 feet. The total time for the dive so far

    asked by john on September 17, 2016
  93. Music

    What is a contour? I just need a definition please!

    asked by Brooklyn on December 18, 2017
  94. math

    A scuba diver dove from the surface of the ocean to an elevation of -79 9/10 feet at a rate of -18.8 feet per minute. After spending 12.75 minutes at that elevation, the diver ascended to an elevation of -28 9/10 feet. The total time for the dive so far

    asked by kimie on September 24, 2015
  95. medical electronics

    The range of step size in steepest descent algorithm is -∞

    asked by biomedical signal processing on February 12, 2018
  96. art

    what contour line show?

    asked by jessica pham on February 25, 2009
  97. math

    A scuba diver dove from the surface of the ocean to an elevation of -79 9/10 feet at a rate of -18.8 feet per minute. After spending 12.75 minutes at that elevation, the diver ascended to an elevation of -28 9/10 feet. The total time for the dive so far

    asked by tiffany on October 21, 2016
  98. science/maps

    Could contour lines on a map ever cross? Explain please

    asked by linda on February 20, 2011
  99. math

    A scuba diver dove from the surface of the ocean to an elevation of −89 9 10 feet at a rate of −24 feet per minute. After spending 11.75 minutes at that elevation, the diver ascended

    asked by Anonymous on October 4, 2017
  100. Physics

    A rescue team has to use a specially designed sling-shot to supply emergency medicine to a stranded hiker. The hiker's altitude above the ground is 320m and his horizontal distance from the launch site is 410m. The launching angle of the initial velocity

    asked by Becky on May 15, 2014

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