1. Physics

    (I'll try to describe this the best I can, it's a little hard without showing a picture) This question deals with projectile motion: An archer is standing 150 meters above another archer 450 meters away [so visually the 150m and 450m make the right angle].
  2. Physics (repost)

    (I'll try to describe this the best I can, it's a little hard without showing a picture) This question deals with projectile motion: An archer is standing 150 meters above another archer 450 meters away [so visually the 150m and 450m make the right angle].
  3. physics

    An archer standing a horizontal distance d=50m away from a tree sees an apple hanging from the tree at h=12m above the ground. The archer chooses an arrow and prepares to shoot. The arrow is initially 1.5m above the ground. Just as the archer shoots the
  4. physics

    M1.) Nguyen jumps off a cliff with a height of 100 meters at a velocity of 3.5 meters per second to a save a cat. How long will it take her to reach the surface of the ocean? A3.) A plane vertically flees a horde of zombies at a speed of 7.9 m/s at a
  5. physics

    M1.) Nguyen jumps off a cliff with a height of 100 meters at a velocity of 3.5 meters per second to a save a cat. How long will it take her to reach the surface of the ocean? A3.) A plane vertically flees a horde of zombies at a speed of 7.9 m/s at a
  6. Physics

    An archer stands a horizontal distance d= 55 m away from a tree sees an apple hanging from the tree at h= 12 m above the ground. The archer chooses an arrow and prepares to shoot. The arrow is initially 1.5 m above the ground. Just as the archer shoots the
  7. Physics

    At the other end of what would come to be known as the Roman Empire, Parthian (Persian) archers were able to discourage pursuers by firing backwards from the back of a galloping horse-the famous "Parthian shot." a. If the speed of the arrow vB the
  8. Physics

    At the other end of what would come to be known as the Roman Empire, Parthian (Persian) archers were able to discourage pursuers by firing backwards from the back of a galloping horse-the famous "Parthian shot." a. If the speed of the arrow vB the
  9. Physics

    At the other end of what would come to be known as the Roman Empire, Parthian (Persian) archers were able to discourage pursuers by firing backwards from the back of a galloping horse-the famous "Parthian shot." a. If the speed of the arrow vB the
  10. Physics...help please!

    At the other end of what would come to be known as the Roman Empire, Parthian (Persian) archers were able to discourage pursuers by firing backwards from the back of a galloping horse-the famous "Parthian shot." a. If the speed of the arrow vB the
  11. Physics

    At the other end of what would come to be known as the Roman Empire, Parthian (Persian) archers were able to discourage pursuers by firing backwards from the back of a galloping horse-the famous "Parthian shot." a. If the speed of the arrow vB the
  12. Physics (please help)

    At the other end of what would come to be known as the Roman Empire, Parthian (Persian) archers were able to discourage pursuers by firing backwards from the back of a galloping horse-the famous "Parthian shot." a. If the speed of the arrow vB the
  13. chemistry

    The figure below represents the bulls eye target for an archer. The black dots represent where the archer’s arrows hit: How can this archer be described? a. accurate b. precise c. accurate and precise d. neither accurate nor precise
  14. Algebra

    Can anybody help me on this problem for my Algebra 2 class, I am having a hard time tyring to solve it step by step. The probability that an archer hits the target is p = 0.8, so the probability that he misses the target is q = 0.2. It is known that in
  15. Algebra

    Can anybody help me on this problem for my Algebra 2 class, I am having a hard time tyring to solve it step by step. The probability that an archer hits the target is p = 0.8, so the probability that he misses the target is q = 0.2. It is known that in
  16. science

    An archer exerts an average force of 194 N to draw a 0.25 kg arrow back 1.2 m with the string of the bow. How much work does the archer exert?
  17. Physics

    An archer lying on the ground shoots an arrow at a target that is 400 meters away, and 40 meters high. The initial velocity of the arrow is 120 m/s At what angle does he need to point his bow in order to hit the target? (Assume the value of g as -9.81
  18. Physics

    An archer fires an arrow, which produces a muffled "thwok" sound after it hits a target. If the archer hears the "thwok" exactly 1.2 s after firing the arrow and the average speed of the arrow was 48 m/s, what was the distance separating the archer and the
  19. 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
  20. Algebra

    Is H=-4.9t²+vt+s the formula for a projectile motion, where h is height in meters t time in seconds and v velocity in meters per second and s start height in meters
  21. Physics

    An archer fires an arrow, which produces a muffled "thwok" sound after it hits a target. The archer hears the "thwok" exactly 2.6 s after firing the arrow and the average speed of the arrow is 36 m/s. Find the distance sepa­rating the archer and the
  22. physics

    An archer pulls her bowstring back 0.420 m by exerting a force that increases uniformly from zero to 240 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do in pulling the bow? J
  23. physics

    A bicyclist moving at a constant speed takes 10.0 seconds to travel 500 meters down a path inclined 30.0° downward from the horizontal. What is the vertical velocity of this motion?Select one of the options below as your answer: A. 18.3 meters/second B.
  24. Basic Physics

    While standing on an open bed of a truck moving at 35 m/s, and archer sees a duck flying directly overhead. The archer shoots an arrow at the duck and misses. The arrow leaves the bow with a vertical velocity of 98 m/s. a) how long does it remain in the
  25. Physics

    Pulling the string on a bow back with a force of 28.7 lb, an archer prepares to shoot an arrow. If the archer pulls in the center of the string, and the angle between the two halves is 138*, what is the tension in the string?
  26. physics

    An archer pulls her bow string back 0.400 m by exerting a force that increases uniformly from zero to 240 N. (a) What is the equivalent spring constant of the bow? 1 N/m (b) How much work does the archer do in pulling the bow? 2 J THANKS!
  27. Physics

    Pulling the string on a bow back with a force of 28.7lbs, an archer prepares to shoot an arrow. If the archer pulls in the center of the string, and the angle between the two halves is 138 degrees, what is the tension in the string?
  28. Projectile Motion Physics

    An Arrow directed at a stationary target is shot at an angle of E25N. The arrow hits the intended target at the same height from which it is launched, 3.0s later. Determine the distance from the archer to the target.
  29. physics

    An archer locks a 0.20kg arrow on a bowstring. Then the archer exerts an average force of 110N to draw the string back 0.60 m . Assume that friction is negligible . What speed does the bow give to the arrow? If the arrow is shot vertically upward,how high
  30. physics

    Short projectile motion question a peron kicks a football from 39.6 meters from the goal posts. the kcik leaves the ground with a speed of 24.8m/s at an angle of 49.6 degrees. the goal post are 3.10 meters high determine the amount by which the kick clears
  31. probability

    Please help me solve this problem step by step pleaseeee! The probability that an archer hits the target is p= 0.8, so the probability that he misses the target is q = 0.2. It is known that in this situation the probability that the archer hits the target
  32. Algebra

    Use the given information to write a systems of equations, and then solve the system algebraically to answer the question: A car begins at rest and accelerates. Its distance in meters, t, by the formula C(t) =4t^2. A second car, 150 meters ahead, is
  33. physics

    When archer pulls an arrow back in his bow.He is storing potential energy in his bow What avg force must the archer exert if he pulls the string back a distance of 30 cm?
  34. physics

    An archer pulls a bowstring back 0.390 m, and the spring constant of the bow is 675 N/m. a.) Find the amount of work the archer did to draw the bow. b.) Find the speed an arrow of mass 0.075 kg will have when it is shot from the bow. Assume no losses from
  35. physics

    An archer pulls her bowstring back 0.488 m by extending a force that increases uniformly from zero to 251 N. What is the equivalent spring constant of the bow? Answer in units of N/m. How much work does the archer do in pulling the bow? Answer in units of
  36. Physics

    An archer shoots at a target 60m away. If she shoots at a velocity of 55m/s [right 3degrees above the horizontal] from a height of 1.5m, does the arrow reach the target before striking the ground? What should the archer do to get her next shot on target?
  37. Physics help!!

    An archer shoots an arrow with a velocity of 45 m/s at an angle of 50 degrees with the horizontal.An assistant standing on the level ground 150m downrange from the launch point throws an apple straight up with the minimum intial speed necessary to meet the
  38. Physics urgent

    An archer shoots an arrow with a velocity of 45.0m/s at an angle of 50.0degrees with the horizontal.An assistant standing on the level ground 150m downrange from the launch point throws an apple straight up with the minimum intial speed necessary to meet
  39. Science

    An archer fires an arrow, by applying an average force of 182 N across a distance of 38.0 cm on the bow. If the arrow has a mass of 22.0 g, find its velocity when the archer releases the bow: a)if the conversion is 100% efficient. b)if the conversion is
  40. PHY 101

    An archer aims an arrow precisely horizontally over a large, flat field and lets it fly. At the same instant, the archer's watchband breaks and the watch falls to the ground. Does the watch hit the ground before, at the same times as, or after the arrow
  41. Newtons square meters

    What's the pressure exerted by a 150 newton person standing on an area converted by the persons shoes of 0.20 square meters? Help please
  42. algebra

    The formula for the height of a fallinis shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall. h=-4.9f+k If aq rock is droppped from a building that is
  43. AP PYHSICS

    A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
  44. PHYSICS

    A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
  45. Physics Projectile Motion

    An archer shoots an arrow at a 72.0 m distant target, the bull's-eye of which is at same height as the release height of the arrow. (a) At what angle must the arrow be released to hit the bull's-eye if its initial speed is 36.0 m/s? (Although neglected
  46. Physc

    A symmetric projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. HOw long it takes to reach its peak height? The projectile has a range of 80 meters.What is its horizontal velocity? What is the projectile's horizontal
  47. physics

    a projectile is fired at 50 meters per second at an angle of 30 degrees below the horizontal off a cliff that is 50 meters high. How far away and at what speed and angle will this projectile land?
  48. physics

    an archer at the edge of a cliff fires an arrow from a height of 14.6 m above the ground at the bottom of the cliff. the arrow just clears a rock on a pillar that is 21.7 m above the gound which is 45.2 m horizontally away from the archer.determine a,the
  49. physics

    an archer at the edge of a cliff fires an arrow from a height of 14.6 m above the ground at the bottom of the cliff. the arrow just clears a rock on a pillar that is 21.7 m above the gound which is 45.2 m horizontally away from the archer.determine a,the
  50. physics

    Maria is standing 4.5 meters from the tennis net. She hits the ball horizontally with a velocity of 18.0 m/s from a height of 1.20 meters. Will the ball clear the net, which has a height of 1.0 meters? This is a question from my hw. I was wondering if
  51. science

    if a dog runs 6 meters in 1 second and then at the end of the second second the dog ran an additional 4 meters. what would describe the dogs motion in both seconds
  52. physics

    If a ball is dropped from rest, it will fall 5 m during the first second. How far will it fall during the second second? A. 15 meters B. 10 meters C. 5 meters D. 20 meters the way the question is worded it seems it should be 10meteres but I think it wants
  53. Physicis

    A rocket initially at rest accelerates at a rate of 99.0 meters/second2. Calculate the distance covered by the rocket if it attains a final velocity of 445 meters/second after 4.50 seconds. A.) 2.50 x 10(2) meters B.) 1.00 x 10(3) meters C.) 5.05 x 10(2)
  54. physical science

    A weight attached to a wire is swung in a circular path. Its speed is 12 meters/sec, and it has a centripetal acceleration of 9.0 meters/sec2. Calculate the diameter of the circle. 1.3 meters 2.6 meters 16 meters 32 meters
  55. physical science

    a symmetric projectile spends a total of 20 seconds in the air. it reaches a peak height of 8 meters. how long does it take to reach its peak height? the projectile has a range of 80 meters. what is its horizontal velocity? what is the projectile's
  56. Pre-Algebra

    Martha is in a hot air balloon that has risen straight up from the launch point. Matthew is standing on the ground, 16 meters away from the launch point. If Martha and Matthew are 20 meters apart, how high has the balloon risen? A. 4 meters B. 12 meters C.
  57. physics

    A friend is making an iMovie and wants your help designing a skateboard stunt. You estimate that your friend�s mass is four times greater than that of the skateboard. For the following questions, ignore friction. In one scenario, your friend starts
  58. Physics

    Two vectors with magnitudes of 6 meters and 8 meters cannot have a resultant of: 48 meters 14 meters 10 meters 2 meters Please explain. I do not understand how to figure this out!
  59. Physics

    An archer needs to hit a bull’s eye on a target at eye level 60.0 ft away. If the archer fires the arrow from eye level with a speed of 47.0 ft/s at an angle of 25 degree above the horizontal, will the arrow hit the target?
  60. 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?
  61. physics

    You are standing 7.0 meters from a sound source that radiates equally in all directions, but it is too loud for you. How far away from the source should you stand to experience one third the intensity that you did at 7.0 meters? answer in meters
  62. Math (1 question)

    estimate the area of a circle with a radius of 27 meters. Use 22/7 for pi. A. 258 square meters B. 1,125 square meters C. 2,291 square meters D. 5,253 square meters
  63. science

    For a machine with an efficiency of 80%, what is the work output of the machine if its work input is 2,000 joules? would i divide 2000/.80? which gives me 2500? Also, If a machine requires an effort force of 750 newtons applied over a distance of 2 meters,
  64. math 117

    A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched
  65. math 116

    A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched
  66. math

    how tall is a flag pole when a person is standing 12 meters away and he is 1.5 meters tall and casts a shadow 3 meters long?
  67. Algebra~Scary problem!

    A launched rocket has an altitude, in meters, given by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which the launch occurs, at the velocity v in meters per second, and the t is the number of seconds for which the rocket is airborne.
  68. geometry

    2. A person who is 1.5 meters tall casts a shadow that is 8 meters long. The distance along the ground from the person (N) to the flagpole (G) is 32 meters. Find the height of the flagpole (FG) showing all calculations.
  69. College Physics

    An archer draws a bow, getting ready to shoot a 55.0 gram arrow. The tension in the bowstring is 424 N, and it is bent at the angles 30 degrees a)What is the magnitude of the "drawing" force holding the string at rest? b)If the drawing force is removed (by
  70. physics

    A projectile was fired out of a lead ejector at an angle of 45 degrees up from horizontal. The projectile velocity was 1000.00 meters per second. How high did it go? and how far did the projectile go?
  71. Geometry

    A rectangle has an area of 6 square meters. What will be the area of the rectangle if each side length is increased by a factor 5? A. 11 square meters B. 30 square meters C. 125 square meters D. 150 square meters I think the answer is B
  72. Math (Ms.Sue)

     Find the circumference of a circle whose area is 452.16 square meters. (Use 3.1416 as the value of π.)  A. 12 meters B. 75.3984 meters C. 24 meters D. 37.6992 meters I don't know what formula to use for this equation.
  73. Math - PreCalc (12th Grade)

    If the distance covered by an object in time t is given by s(t) = 2t2 + 3t, where s(t) is in meters and t is in seconds, what is the average velocity over the interval from 2 seconds to 4 seconds? A) 15 meters/second B) 14 meters/second C) 13 meters/second
  74. Physics Quick!

    An archer shoots an arrow with a velocity of 49.5 m/s at an angle of 52.0¡Æ with the horizontal. An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the minimum initial speed necessary to meet
  75. Physics

    An archer applies an average force of 200 N to draw the bow string back 1.3 m. a)How much work did the archer do on the string? b)How much mechanical potential energy is stored in the stretched bow? c)How much kinetic energy does the arrow have before it
  76. physics

    an archer standing on a cliff 48m above the level field below shoots an arrow at an angle of 30• above horizontal with a speed of 80m/s.how far from the base of the cliff will the arrow land.
  77. Math

    A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? (1 point) 4 meters•• 144 meters 2 meters 1 meter Correct this
  78. Math plz help one qustion only!!!!!!!!!!!!!!!!!!!!

    A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? • 4 meters************ • 144 meters • 2 meters • 1 meter
  79. Algebra

    The height, in meters, of a projectile can be modeled by h= -4.9t^2 + vt + s where t is the time (in seconds) the object has been in the air, v is the initial velocity (in meters per seconds) and s is the initial height (in meters). A soccer ball is kicked
  80. math

    marcel is standing 5 meters away from a street light. he is 2 meters tall and the light is 6 meters high. how long is marcel's shadow?
  81. physics

    an object is launched horizonally from the top of a lab table that is .90 meters tall. it lands 2.75 meters away. what was the initial horizontal launch speed of the devise? the launcher is now angled 12 degrees below the horizontal. this raises the
  82. physics

    an object is launched horizonally from the top of a lab table that is .90 meters tall. it lands 2.75 meters away. what was the initial horizontal launch speed of the devise? the launcher is now angled 12 degrees below the horizontal. this raises the
  83. math concepts and applications

    A rectangle has a length of 6 meters and a perimeter of 20 meters. What is the width of the rectangle? A. 4 meters B. 7 meters C. 14 meters D. 52 meters C ?
  84. Finding distances

    Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are
  85. Finding distances

    Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are
  86. PHYSICS PLEASE HELP QUICK

    An object with an initial speed of 4.0 meters per second accelerates uniformly at 2.0 meters per second2 in the direction of its motion for a distance of 5.0 meters. What is the final speed of the object? Vi=4m/s a=2.0m/s*s d=5.0m Vf=? Vf©÷=Vi©÷+2ad
  87. Geometry

    7. What is the surface are of a conical grain storage tank that has a height of 37 meters and a diameter of 16 meters? Round the answer to the nearest square meter. 2,831 square meters 2,664 square meters 1,152 square meters 1,131 square meters
  88. Physics

    Two vectors with magnitudes of 6 meters and 8 meters cannot have a resultant of: 48 meters 14 meters 10 meters 2 meters
  89. Math

    A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? A. 4 meters B. 144 meters** C. 2 meters D. 1 meter
  90. Math

    A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? • 4 meters************ • 144 meters • 2 meters • 1 meter
  91. Earth Space Science

    the horizontal distance between a crest to the next trough of an ocean wave is 5 meters. what is the wavelength of the ocean wave? A)2 meters B)5 meters C)10 meters D)20 meters I think its 10 meters but im not so sure, I would like to make sure.
  92. math

    find the area of prism 5 millimeters 6 meters 13 meters not drama scale A. 48 meters squared B. 346 meters squared C. 780 meters squared D. 195 meters squared help
  93. math

    find the area of prism 5 millimeters 6 meters 13 meters not drama scale. A. 48 meters squared B. 346 meters squared C. 780 meters squared D. 195 meters squared help
  94. math

    find the area of prism 5 millimeters 6 meters 13 meters not drama scale A. 48 meters squared B. 346 meters squared C. 780 meters squared D. 195 meters squared
  95. Physics

    2018-West High School-Trimester 3 Home Announcements Assignments Discussions Grades1 People Pages Files Syllabus Quizzes Modules Class Notebook Google Drive Office 365 Discovery Education Collaborations Flipgrid Physics Projectile Motion Quiz Started: Mar
  96. Algebra

    A projectile is fired straight up in the air. Let h(t) be its height in meters above the ground t seconds after it was fired. Use the model h(t) = −4.9t2 + 70t + 30 to answer the following questions. Feel free to use a calculator for computations,
  97. math

    Erin is making a pitcher of lemonade. Her pitcher is a cylinder with a diameter of 8.6x10^-2 meters and a height of 0.44 meters. What is the approximate total amount of lemonade that will fit in her pitcher? A.2.6 x10^-3 cubic meters B.1.0x10^-3 cubic
  98. math

    victor drives 300 meters up a hill that makes an angle of 13 degrees with the horizontal. To the nearest tenth of a meter, what horizontal distance has he covered? 307.9 meters 292.3 meters 69.3 meters 67.5 meters *****im thinking C, please help*****
  99. Geometry

    Can you check these multiple choice questions thanks. 1. What is the length of a rectangle that has an area of 20 square meters and a perimeter of 18 meters. A. 10 meters B. 2 meters C. 5 meters D. 9 meters Answer: B 2. Find the minimum perimeter of a
  100. algebra

    An archer releases an arrow at shoulder height. • Measure the distance from the fl oor to your shoulder when you are standing. Suppose you release an arrow and it hits the target at a point 5 ft above the ground. Sketch a possible parabolic path of