if an acorn falls 45 feet from the top of the tree, how long will it take for the acorn to hit the ground

45,207 results
  1. trigonometry ans.

    At a point on the ground 50 feet from the foot of a tree, the angle of elevation to the top of the tree is 53°. Find the height of the tree to the nearest foot. I got 50xtan53 = 66.35 nearest foot ? would I use tan or sin since I'm finding the foot of the

  2. geometry

    Pine Tree In order to estimate the height h of a tall pine tree, a student places a mirror on the ground and stands where she can see the top of the tree, as shown. The student is 6 feet tall and stands 3 feet from the mirror which is 11 feet from the base

  3. prealgebra

    At the same time that a 60-foot tall building casts a shadow that is 21.5 feet long, a nearby tree casts a shadow that is 18 feet long. Which measure is closest to the height of the tree?

  4. math

    In order to estimate the height 'h' of a tall pine tree, a student places a mirror on the ground and stands where she can see the top of the tree. The student is 6 feet tall and stands 3 feet from the mirror which is 11 feet from the base of the tree.

  5. Pre algebra

    A tree casts a shadow 30 feet long. at the same time of day, 5.5- foot-tall Person casts 5 feet long.how tall is the tree?

  6. math

    A tree casts a shadow that is 20 feet long. The angle of elevation from the end of the shadow to the top of tree is 66 degrees. Determine the height of the tree, to the nearest foot.

  7. Precalculus

    A 60-foot tree casts a shadow 85 feet long. The sine of the angle of elevation of the top of the tree to the sun is approximately ___. A. .82 B. .75 C. .58 D. .33

  8. geometry

    At a point on the ground 50 feet from the front of a tree, the angle of elevation to the top of the tree is 48 degrees. Find the height of the tree.

  9. Math

    Top of a tree broke and fel over. Remaining tree trunk is 5 feet tall . Tip if tree rest on ground is 12 feet from the base of the trunk. What is the length of the broken tree?

  10. geometry

    a tree grew at a 3 degree slant from the vertical. at a point 60 feet from the tree, the angle of elevation to the top of the tree is 14 degrees. find the height of the tree to the nearest tenth of a foot.

  11. ALGERBRA

    A TREE CASTS A SHADOW 12 FEET LONG. AT THE SAME TIME A VERTICAL ROD 8 FEET HIGH CASTS A SHADOW THAT IS 6 FEET LONG. HOW TALL IS THE TREE

  12. Physics

    You attach a meter stick to an oak tree, such that the top of the meter stick is 2.67 meters above the ground. Later, an acorn falls from somewhere higher up in the tree. If the acorn takes 0.196 seconds to pass the length of the meter stick, how high

  13. Science

    A squirrel drops an acorn from a tree.How does potential energy of the acorn compare to its kinetic energy just before the acorn hits the ground

  14. trig

    The angle relative to the horizontal from the top of a tree to a point 12 feet from its base(on flat ground) is 30*. Find the height of the tree.

  15. physics

    A acorn falls from a tree and hits the ground with a speed of 10 m/s: - From what height did the acorn fall? - How long was the acorn in the air?

  16. Math

    A man is in a tree house 7ft above the ground. He is looking at the top of another tree that is 24ft tall. The bases of the trees are 40ft apart. What is the angle of elevation from the mans feet to the top of the tree? Round to the nearest degree. 23 31

  17. Math

    If a tree cast a shadow 30 feet long at the same time that a boy 5 feet tall cast a shadow 3 long. Find the height in feet of the tree.

  18. Geometry

    at 10 feet away from the base of a tree, angle the top of a tree males with the ground is 61 degrees. of the tree grows at an angle of 78 degress with the respect to the ground, how tall is the tree to the nearest foot?

  19. Algebra

    A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. How many feet long is the shadow of that tree?

  20. MAT 150

    At a point on the ground 15 feet from the base of a tree the distance to the top of the tree is 1 foot more than two times the height of the tree find the height of the tree

  21. ¥Math¥

    A tree casts a shadow 36 feet long. A man 6 feet tall cast a shadow 9 feet long. What is the height of the tree? a. 60 feet b. 24 feet c. 18 feet d. 22 feet

  22. math

    Pete is standing 2 feet away from a mirror on the ground. Pete is 5 feet tall and can just see the top of the tree in the mirror from where he is standing. The two triangles formed in the picture above are similar. If the mirror is 12 feet away from the

  23. Geometry

    Starla is 5feet 9inches tall. To find the height of a tree,she measured her shadow and the tree's shadow. Her shadow was 8feet long when the trees shadow was 30 feet long. To the nearest foot,how tall is the tree?

  24. Science

    The fruit of an oak tree is called an acorn. You observe a squirrel gathering and burying acorns. Several months later, you observe an oak seedling growing in the area where the squirrel buried an acorn. What conclusion can you draw about oak tree

  25. Inverse Functions

    A surveyor is standing 550 feet from the base of a redwood tree in the California Redwood Forest. The tree is 362 feet tall. Sketch a drawing that models the situation and then find the angle of elevation of the top of the tree from the spot where the

  26. math

    on a sunny day a tree casts a shadow that is 146 feet long. at the same time a person who is 5.6 feet tall standing beside the tree casts a shadow that is 11.2 feet long. how tall is the tree?

  27. Math

    Amy is 5 feet tall. She places a mirror on the ground and moves until she can see the top of a nearby tree. At this point, she is 2 feet from the mirror. the tree is 48 feet from the mirror. How tall is the tree?

  28. math

    if an acorn falls 45 feet from the top of the tree, how long will it take for the acorn to hit the ground.

  29. math

    A tree casts a shadow that is 20 feet long. The angle of elevation from the end of the shadow to the top of tree is 66 degrees. Determine the height of the tree, to the nearest foot.

  30. geometry

    Suppose the angle of elevation to the top of a tree is 47 degrees. If you are standing 28 feet from the tree, how tall is the tree? Type your numerical answer only in the answer box. Round your answer to the nearest tenth! The tree is _____ feet tall.

  31. Math

    A large elm tree died after it was struck by lightning. The property owner thinks he can remove it himself, but is concerned that it will fall on his greenhouse. He takes several measurements before attempting to cut it down. At 3 PM he measures the shadow

  32. MAT 150

    At a point on the ground 70 feet from the base of the tree the distance the top of the tree is 2 feet more than three times the height of the tree find the height of the

  33. geometrY

    to estimate the height of a tree, Dave stands in the shadow of the tree so that his shadow and the tree's shadow end at the same point. Dave is 6 feet 4 inches tall and his shadow is 15 feet long. If he is standing 66 feet away from the tree, what is the

  34. geometry

    can someone please show me the answer for this problem ? a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of

  35. math

    a large elm tree died after it was struck by lightning.the property owner thinks he can remove it himself,but is concerned that it will fall on his greenhouse.he takes several measurement before attempting to cut it down.at 3 p.m. he measures the shadow of

  36. Math

    A man looks up at the top of a tree. The angle of elevation is 42 degrees. If the tree is 20 feet tall, which of the following best represents the distance from the base of the tree where the man is standing?

  37. math

    A tree casts a shadow that is 20 feet long. A 5-foot-tall boy stands in the shadow so that the end of his shadow lines up with that of the tree. His shadow is 6 feet long. How tall is the tree

  38. Trig

    A tree is growing at an angle out of the ground, 15°17' from vertical. Standing 10 feet away from the base, the angle to the top of the tree is 25°17'. What is the length of the tree?

  39. mathematics

    60-foot y’all building casts a shadow that is 21.5 feet long a nearby tree casts a shadow that is 19 feet long. Which measure is closest to the height of the tree?

  40. 10th grade

    a tree casts a shadow that is 20 feet long. the angle of elevation from the end of the shadow to the top of the tree is 66 degrees. Determine the height of the tree to the nearest foot.

  41. geometry

    If you are standing 22 feet straight from a tree and you look at the top of the tree with a distance of 33 feet how tall would the tree be?

  42. math

    use a vertical motion model to find how long it will take a walnut to reach the ground if it falls from the top of a 55-foot tree?

  43. math

    Because of the prevailing winds, a tree grew so that it was leaning 6° from the vertical. At a point 100 feet away from the tree, the angle of elevation to the top of the tree is 22°55'

  44. math

    On a sunny day, a 6-foot man casts a shadow that is 11 feet long. The shadow of a nearby oak tree is 66 feet long. Find the height of the tree.

  45. math

    A child’s kite is on top of a straight pine tree. A ladder is placed against the tree and touches the kite. The ladder forms a 45-degree angle with the flat ground. The base of the tree is 9 feet away from the base of the ladder. With only this

  46. geometry

    a tree cast a shadow 25 feet long. the angle of elevation from the far end of the shadow to the top of the tree is 64 degrees,find the heighth of the tree

  47. Math help me please

    A tree's root is 13 feet below ground and spans a radius of 8 feet. If the tree's elevation above ground is 28 feet with branches that span a radius of 12 feet, what is the total length of the tree from root tip to top? A) 15 feet B) 35 feet C) 41 feet D)

  48. math

    The shadow of a 5-foot tall post is 10 feet long. At the same time a tree casts a shadow that is 24 feet long. What is the height of the tree? A. 2 feet B.14 feet C. 12 feet D. There is not enough information to solve the problem

  49. Advanced physical science

    At the top of the Washington monument, a bird drops an acorn into the reflecting pool 169m below. If the acorn has a massof 1.0 kg, with what velocity would it hit the water?

  50. Trig

    From a certain distance from the base of a Giant Sequoia tree a surveyor determines that the angle of elevation to the top of the tree is 47deg. The surveyor then walks 100 feet away from the tree and determines that the angle of elevation to the top of

  51. math

    a christmas tree is 34 feet tall. it casts a shadow 24 feet long. toms christmas tree is standing beside the tree at rockefeller center and is 5 feet 8 inches tall. how long of a shadow would toms tree cast?

  52. trigonometric oblique triangle

    you are standing 40m from the base of a tree leaning 8 degree from the vertical away from you. the angle o elevation from your feet to the top of the tree is 20 seconds and 50 minutes find the height of the tree.

  53. math

    Using the shadow method, Norman finds the height of a tree as follows: He measures the shadow of the measuring stick (4ft) and the tree (20ft). He then uses similar triangles to find the tree's height. If the measuring stick is 3 feet long, how tall is the

  54. Math

    Kerry got her kite stuck in the very top of a tree. If she knows that she is standing 50 yards away from the tree and the angle that her kite string makes when held to the ground by her feet is 48 degrees, how tall is the tree?

  55. grade 10 trigonometry

    In 1966, the Falls Incline Railway opened in Niagara Falls. It moves people from upper parking areas down to Queen Victoria Park. The incline track is 170 feet long and has an angle of inclination of 36°. What is the vertical distance between the top

  56. Math

    A person who is 5 feet tall is standing at 110 feet from the base of the tree and the tree cast a shadow of 120 feet the person shadows 10 feet in length was the height of the tree?

  57. college aLGEBRA

    1. A toy manufactor needs a piece of plastic in the shape of a right triangle with the longer leg 1 cm more than the shorter leg. How long should the sides of the triangle be? a^2+b^2=c^2 x^2+(x+1)^2=(x+2)^2 x^2+x^2+2x+1= x^2+4x+4 2. Martha want to buy a

  58. math

    If a person standing 5 feet tall casts a shadow 12 feet long, then how long is a tree's shadow if a tree stands 17.5 feet tall?

  59. trigonometry

    A tree broken over by the wind forms a right triangle with the ground if the broken parts makes an angle 50 degree with the ground and the top of the tree is now 20 feet from its base how tall the tree?

  60. Trigonometry

    From the foot of a building I have to look upwards at an angle of 22degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50degrees to look at the top of the tree. a.

  61. Math

    The tree is 12 feet tall the tree shadow is 6 yards long write this as a rate of tree height to shadow length.

  62. math

    A tree is struck by lightning. The top part breaks and falls to the ground. The part of the tree still standing is 30 feet tall and the top part that hit the ground is 40 feet from the base of the tree. How tall was the tree originally?

  63. Physics

    A squirrel sees a BIG acorn being thrown from a tree by a chipmunk and attempts to snatch it. The acorn is thrown from a 10.0 m high branch and with a horizontal velocity of 1.1 m/s. The squirrel on the ground is 5.0 m from the base of the tree. What is

  64. Physics

    A squirrel sees a BIG acorn being thrown from a tree by a chipmunk and attempts to snatch it. The acorn is thrown from a 10.0 m high branch and with a horizontal velocity of 1.1 m/s. The squirrel on the ground is 5.0 m from the base of the tree. What is

  65. math

    A tree, in danger of falling , stands 65 feet from the house. The angle of elevation from the bottom of the house to the top of the tree is 50 degrees. If the tree should fall directly towards the house, will it the house? show all work and explain your

  66. trig ratios'

    To help a young tree grow straight, a gardener attaches three guy wires to it and the ground. She places the wires two feet below the top of the tree. If the wires are ten feet long and each makes an angle of 58 degrees with the ground. Find the height of

  67. Trig

    To help a young tree grow straight, a gardener attaches three guy wires to it and the ground. She places the wires two feet below the top of the tree. If the wires are ten feet long and each makes an angle of 58 degrees with the ground. Find the height of

  68. trig

    as the sun rises it casts a long shadow over a boy who is leaning next to a tree. the tree is 35 feet tall and the sun's rays create an angle of depression of 70 degrees with the top of the tree. how long is the shadow

  69. trig

    To help a sapling (young tree) grow straight, a gardener attaches three guy wires to it and the ground. She places the wires two feet below the top of the tree. If the wires are ten feet long and each makes an angle of 58 degrees with the ground, find the

  70. math

    From 70 feet away from the base of a tree on level ground, the angle to the top of a tree is 60⁰. What is the height of the tree? What is the approximate distance from the vantage point to the top of the tree, to one decimal point? (Assume that the tree

  71. Math

    A tree is 18 feet tall and casts a shadow that is 22 feet long. How fat is it from the end of the shadow to the top of the tree

  72. geometry

    Tree stands 25 feet tall and 15 feet wide base 7.5 feet . You want to hang strings of lights from top to bottom on the outside. How long should each string be?

  73. Precalc/Trig

    I have no idea how to solve this one problem: Round to two decimal places. Two observers 25 feet apart, sight to the top of the tree. If the angle of elevation to the top of the tree from the observer closest to the tree is 30 degrees and the angle of

  74. geometrY

    See the last picture at the bottom of this web page (for a pic of this exact problem). Using ratios, Tree height = T 15/66 = 6.33/T 15T = 512.73 T = 34.182 T = 34.182 when getting this answer from my question: to estimate the height of a tree, Dave stands

  75. Geometry

    A six-feet tall person wants to know the height of a tree. The person stands 20 feet from the tree and sights to the top of the tree. The angle of the sight line is 30 degrees. How tall is the tree?

  76. math

    tree casts a shadow 32 feet on the ground. If the distance from the end of the shadow to the top of the tree is 40 feet, how tall is the tree?

  77. Math

    Q1.A tree was chopped by the Samuels family for the holidays. How tall was the tree originally if the piece they chopped down was 7feet tall, and fell 4 feet from the stump? Q2. Mr pratt's rake is leaning up against a wall. If the top of the rake hits the

  78. Angle of elevation

    John stands at 12 feet from the foot of a tree. The angle of elevation to the top of the tree is 60°. What is the height of the tree?

  79. CST GEOMETRY

    a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of the tree to the nearest foot?

  80. Geometry

    A tree casts a shadow that is 70 feet long. At the same time a person is standing nearby who is 5 feet 6 inches tall and their shadpw os 60 inches long. What is the proportion and what is the height of the tree?

  81. Math

    Juan employs something called a mirror method. He places a mirror exactly 12 meters from the bottom of a maple tree and then walks backwards until he sees an image of the top of the tree . From the tree which is angle 1 and from him is angle 2 these angles

  82. math

    a 6 foot red casts a shadow that is 7 feet long. the shadow of a nearby tree is 42 feet long. slove a proportion to find the height of the tree

  83. maths

    A landscaper sights the top of a tree at a 68 degree angle.she then moves an additional 70 feet directly away from the tree and sights the top at a 43 degree angle.how tall is the tree to the nearest tenth of a foot.

  84. math

    Lighting hit a tree three-eighths of the distance up the trunk from the ground and broke the tree so that its top landed 40 feet from the base of the trunk. How tall was the originally tree?

  85. Algebra

    Terence wants to estimate the height of a tree. He places a mirror on level ground, as shown in the picture below, and stands so that he can see the top of the tree in the mirror. Since light bounces off the mirror at the same angle at which it strikes the

  86. trig

    A tree casts a shadow 203 feet long. Find the number of feet in the height of the tree knowing that the angle of elevation of the sun is 16 degrees. Give your answer to the nearest integer. a. 57 b. 56 c. 61 d. 58 e. 55

  87. math

    A student notices that the shadows of a sign and a tree lie along the same line and end at the same point. The height of the sign is 3 feet. The length of the tree's shadow is 20 feet. The distance from the base of the sign to the vase of the tree is 16

  88. mathemathics

    an observer and a tree are standing against a slope. the observer is 80m from the tree.the angle between the slope, from the feet of the observer,and thetop of the tree is 14 degree.the slope makes an angle of 9 degree with the horizontal. solve the

  89. Sue

    60- foot tall building casts a shadow that’s 21.5 feet long a nearby tree casts a shadow that’s 19 feet long. Which measure is closest to the height of the tree?

  90. Sue

    60- foot tall building casts a shadow that’s 21.5 feet long a nearby tree casts a shadow that’s 19 feet long. Which measure is closest to the height of the tree?

  91. math

    If a person standing 5 feet tall casts a shadow 12 feet long, then how long is a tree's shadow if a tree stands 17.5 feet tall?

  92. Geometry

    A tree stands 22 feet tall and is 382 feet from a building. The tree casts a shadow that is 40 feet long. How tall is the building? I got 211 feet, but I do not think that is correct. Can you tell me what I am doing wrong? I set it up like this h/382=22/40

  93. Math

    A man wants to remove a tall pine tree from his yard. Before he goes to home depot, he needs to know how tall an extension ladder he needs to purchase. He measure the shadow of the tree to be 225 feet long. At the same time he measures the shadow of a 4

  94. math

    A child’s kite is on top of a straight pine tree. A ladder is placed against the tree and touches the kite. The ladder forms a 45-degree angle with the flat ground. The base of the tree is 9 feet away from the base of the ladder. With only this

  95. math

    If tree is broken 18 feet from its base. The top lands 24 feet from the base. How tall is the tree?

  96. math

    On a sunny day, a tree casts a shadow 60 feet long. At the same time, a yardstick casts a shadow 2 feet long. How tall it the tree??

  97. Math - Trig

    From the foot of a building I have to look upwards at an angle of 22degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50degrees to look at the top of the tree. a.

  98. PLEASE ANSWER THIS!!!

    Two trees stand side-by-side. The shorter tree is feet tall. Its shadow is 9 feet long. The taller tree is feet tall. How long is its shadow?

  99. Math

    Samantha wants to find the height of a pine tree on her yard.she measures the heigth of the mailbox at tree feet and it shadow at 4.8 feet. Then she measures the shadow of the tree at 56 feet . How tall is the tree?

  100. Math

    The height of a Norway Spruce is 10 feet. 2 1/2 feet per year, how long will it take the tree to reach the height of 25 ft? Write an equation that could be used to find how long it will take for the tree to reach a height of 25 ft.

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