It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a

12,616 results
  1. Ela

    1.Use these sentences to answer the question. "To write a persuasive argument, you should consider claims that contradict your own claim. By considering opposing claims, you can strengthen your own argument." How should an author effectively address

  2. ELA

    1. "To write a persuasive argument, you should consider claims that contradict your own claim. By considering opposing claims, you can strengthen your own argument." How should an author effectively address opposing claims in writing? (1 point) with a

  3. Science

    Roseate spoonbills are wading birds that live in the Everglades of Florida. These birds eat a diet of shrimp fish amphibians and aquatic plants. Which of the following sets of words can be classified for these species? A. Autotroph omnivore predator B.

  4. Math - Counting

    Hi. The question is: A, B, C, and D are nodes on a computer network. There are two paths between A and C, two between B and D, three between A and B and four between C and D. Along how many routes can a message from A to D be sent? My thinking: I came up

  5. Science

    Roseate spoonbills are wading birds that live in the Everglades of Florida. These birds eat a diet of shrimp, fish, amphibians, and aquatic plants. Which of the following sets of words could be used to classify this species? autotroph, omnivore, predator

  6. Physics 221

    1. throughout a time interval, while the speed of a particle increases as it moves along the x axis, its velocity and acceleration might be: A. positive and negative, respectively B. negative and positive, respectively C. negativa and negative,

  7. Math

    Using the arrangement of letters in the margin, compute the number of paths that spell the word MATHEMATICS if all paths must start at the top and move diagonally down through the letters. M A A T T T H H H H E E E M M M M A A A T T I I I C C S I only got

  8. Math

    How many different paths will spell the word BINOMIAL in the following arrangement(moving diagonally downwards to the left or right)? B I I N N N O O O O M M M I I A L L My Answer: Starting from B using Pascal's Triangle B 1 1 1 2 1 1 3 3 1 4 6 4 10 10 20

  9. Math

    During the month of June, Ava kept track of the number of days she saw birds in her garden. She saw birds on 18 days of the month. What experimental probability that she will see birds in her garden on July 1? Can somebody show me how to work this problem

  10. physics

    Hot air balloon A is rising upward a rate of 5.0 m/s. A passenger aboard balloon A observes balloon B rising upward at a relative rate of 7.5 m/s. What is the velocity of balloon B relative to the ground? Assume that up is positive.

  11. Calculus and Vectors

    A bald eagle flying horizontally at 48km/h drops it's prey from a height of 50m. a)what is the prey's vertical velocity when it hits the ground? b)when is the vertical speed greater than the horizontal speed?

  12. Algebra

    The flight paths of two Thunderbird jets are plotted on a Cartesian coordinate plane, and the equations of the jets’ flight paths are represented by y=3^x+2 and y = (1/4)^x. Where do the flight paths intersect?

  13. Physics

    A rocket is fired vertically with an upward acceleration of 30 m/s2. After 20 s, the engine shuts off and the rocket then continues rising (while in free-fall). The rocket eventually stops rising and then falls back to the ground. (a) What is the highest

  14. math

    Need help with inequality. If pet store sells at least 3 times more male birds as female birds, and x represents female birds and y represents male birds. Would the inequality be written as y >=3 ? Why or why not? Thanks

  15. Uniform Motion

    It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 8.00m every

  16. Uniform Motion

    It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 8.00m every

  17. Language Arts

    Falcons belong to the raptor family. They are the fastest flyers of all the raptors. These birds of prey eat small animals and other birds. To catch a bird, a falcon flies high into the air. It dives down and hits its prey in midair. Falcons do not build

  18. math

    word problem: Q1.there were 60 birds at three treesin some moment 6 birds flew away from the first tree,8 birds flew away from the second tree, and 4 birds flew away from the third tre. then there were same number of birds at each of the three trees. How

  19. evolutionary machanism - BIOLOGY

    A flock of migrating birds is blown off course by a storm and carried towards a small island that has no birds. Only three of the birds survive the storm and make it to the island. They start to reproduce and, after several years there are 500 birds on the

  20. Stats

    I'm having some trouble with a stats portion of an animal behavior lab. We have to do chi-sqaure tests to test 3 hypothesis, which are 1) percent prey captured will decline as prey group size increases 2) percent successful hunts will decline as prey group

  21. physics

    If you jump upward with a speed of 1.7 m/s, how high will you be when you stop rising?

  22. Literature

    [This activity is from Daphne Du Maurier's short story, The Birds] Du Maurier tells us that the birds are trying to destroy human life, but we never know what is making them do it. Suppose you are a historian at some future time studying this famous bird

  23. physics

    A cheetah is hunting. Its prey runs for 4.3 s at a constant velocity of +8.4 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

  24. Literature

    'Du Maurier, who wrote the short story The Birds, tells us that the birds are trying to destroy human life, but we never know what is making them do it. Is it really the weather, as some characters in the story think? Is it an evil force? Suppose you're a

  25. Math

    Directions: Use each statement as givena and draw a single conclusion using all of the statements. 1) No birds,except ostriches, are nine feet high.There are no birds in this aviary that belong to anyone but me. No ostrich lives on mince pie. I have no

  26. algebra

    a landscaper uses square tiles to make garden paths the ends of the paths are always 2 tiles wide, and the center portions of the paths are 3 tiles wide. what equation gives the total number y of tiles needed to make a path with a length of x tiles. the

  27. Fractions

    1/2 of the birds at a pet store are yellow. tara buys 1 of the yellow birds. then 1/3 of the yellow birds at the store are yellow. how many yellow birds were at the pet store before tara bought one? how can i explain it step by step in 3rd grade version

  28. physics

    A startled armadill leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is its speed at the height f .536m? How much higher does it go?

  29. math

    Jackson has 14 pet birds and rabbits. The total number of rabbits have 44 more legs than the total number of birds. How many pets birds does he have?

  30. English

    Falcons belong to the raptor family. They are the fastest flyers of all the raptors. These birds of prey eat small animals and other birds. To catch a bird, a falcon flies high into the air. It dives down and hits its prey in midair. Falcons do not build

  31. language arts

    Falcons and Hawks Falcons belong to the raptor family. They are the fastest flyers of all the raptors. These birds of prey eat small animals and other birds. To catch a bird, a falcon flies high into the air. It dives down and hits its prey in midair.

  32. Physics

    Peregrine falcons dive practically straight down and can reach speeds of 100 m/s by the time they reach their prey (smaller birds). If all of the falcon's speed is coming from its initial potential energy, how high must the falcon be above its prey at the

  33. Science

    Roseate spoonbills are wading birds that live in the Everglades of Florida. These birds eat a diet of shrimp fish amphibians and aquatic plants. Which of the following sets of words can be classified for these species? A. Autotroph, omnivore, predator B.

  34. calculus

    A hot air balloon is rising vertically upward from the ground. The crew of a boat from a nearby lake notices this situation and looks upward at an angle of 10 degree to see the balloon. If the boat is 400meters away from the balloon, and the angle of

  35. math gr.10

    Hi! I have been stuck on this problem for the past 20 minutes. Please help! A rectangular garden 30m by 40m has two paths of equal width crossing through as shwon. Find the width of each path if the total area covered by the paths s 325m^2. () - represents

  36. History

    Which of the following tools of the Archaic culture was primarily used for hunting birds and smaller prey? A. atlatls B. game nets C. bird stones D. grinding stones

  37. English

    * I have a headache ( ) and a stomachache. ( ) Listen carefully, and if the expression has a rising intonation, mark an upward arrow. If it has a falling intonation, mark a downward arrow in the parentheses. In the sentence, before 'and' it has a rising

  38. Math

    A pet shop has a total of 17 dogs and birds. Altogether there are 48 feet. How many dogs are there and how many birds? A) 7 dogs and 10 birds B) 9 dogs and 8 birds C) 6 dogs and 11 birds D) 8 dogs and 9 birds I got the answer C is this right?

  39. Math- Weighted Average

    A cheetah is 300 feet from its prey. It starts to sprint toward its prey at 90 feet per second. At the same time the prey starts to sprint at 70 feet per second. When will the the cheetah catch the prey? Can you please provide an explantaion? Thanks

  40. Calculus Please Help?

    A hawk flying at 25 m/s at an altitude of 150 m accidentally drops its prey. The parabolic trajectory of the falling prey is described parametrically by x=25t,y=150−4.9t^2 until it hits the ground. The variable x represents the horizontal distance

  41. science

    It is true that _____.? a) prey capture and eat their predator b) an organism may be the prey in one relationship, the predator in another c) a predator is always a predator d) animals do not help each other escape predators e) some animals are never prey

  42. math

    Waddell mountains have a species of birds that hatches two birds each week. Currently there are 7 birds. Write a function represent this graph?

  43. Math

    Waddell mountains have a species of birds that hatches two birds each week. Currently there are 7 birds. Write a function represent this graph?

  44. math

    Ms. Dixon sees more than 119 birds but fewer than 132 birds. How many birds might she have seen?

  45. math

    ms. Dixon sees more than 199 birds but fewer than 132 birds.how many birds might she have seen?

  46. Math

    Ms.Dixon sees more than 119 birds but fewer than 132 birds. How many birds might she have seen?

  47. Biology

    All organisms in group 2(birds, fish, mammals, echinoderms, amphibians) except _______ are thought to share a common ancestor that possessed many of the same characterisitcs as the modern lancelets. A)echinoderms B)fish C)amphibians D)birds E)mammals

  48. Algebra 1

    A cheetah is 300 feet from its prey. It starts to sprint toward its prey at 90 feet per second. At the same time, the prey starts to sprint at 70 feet per second. When will the cheetah catch its prey?

  49. English

    I just wanted to know if the following rephrases are possible. 1) African cheetahs stalk their prey in semi-arid grassland. 2) They catch, capture, their prey in semi-arid grassland. (are these verbs possible to rephrase "stall"?) 3) They follow their prey

  50. Math

    A Woman has cat's and birds. When asked how many of each she has she answers... " I have between both cats and birds 400 feet and 232 eyes.(Cats have 4 feet and Birds have 2 feet) How Many Total? How many Birds? How many Cats? Please help me solve this.

  51. childcare

    6. You've developed a file in which you keep pictures of different colored birds. One day you give the group of pictures to a preschooler and ask him to separate the pictures by color-all red birds in one pile, all blue birds in another pile, and so on. He

  52. math

    A positive integer is called a rising number If its digits form a strictly increasing sequence. for example, 1457 is a rising number, 3438 is not a rising number, and neither 2334. Questions: How many 3-digit rising numbers are there where 3 is the middle

  53. Literature

    I have to write an essay describing the external conflict Nat Hocken from the short story 'The Birds' encounters and how he overcomes it. This is what I got: In The Birds, Nat Hocken, a farm worker and war veteran notices an unusual number of birds

  54. Math

    A Woman has cat's and birds. When asked how many of each she has she answers... " I have between both cats and birds 400 feet and 232 eyes.(Cats have 4 feet and Birds have 2 feet) How Many Total? How many Birds? How many Cats?

  55. CALC 2

    The position of particle P at time t is given by {x=t, y=3t-1} and the position of particle Q at time t is given by {x=4t-(t^2), y=t+1} a) Sketch both paths as well as possible. Be sure to label the paths with the particles (P and Q) traveling on each of

  56. Science

    Jessica and David spotted birds at the neighborhood park where they had a bird feeder set up. Why are the birds a consumer in this habitat? A. They are eaten by other animals B. They need food to survive C. The birds make food of their own

  57. math

    two paths each of width2.5 run across the middle of a rectangular field of15 long and 9m wide.find the area of the paths.

  58. Math

    Paula saw 6 yellow birds and x blue birds while bird watching. James saw twice as many birds as Paula did. James saw 26 birds. Write an equation to find how many blue birds Paula saw while bird watching My answer is 2x(26-6) is this correct?

  59. Writing (Writeacher and Ms. Sue)

    Write a description of a scene in the story "The Birds" by Daphne Du Maurier as it would look to a bird flying overhead. What do you think? I wrote the description about the scene when the birds are entering the house through the chimney. "The bright

  60. physics

    You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 17 m/s2. After 20 s, the engine shuts off and the rocket continues rising (in freefall) for a while. (Neglect

  61. physics

    if you jump upward with a speed of 2mls, how long will it take before you stop rising?

  62. ap biology

    we are looking at the Hardy weinberg equilibrium theory and we were given fifty problems to work over the break and even though i have answered most of them there is one that has be taken a long time because I am not sure if it can be solved. here is the

  63. calc

    Two paths represented by [x, z] = [-82.2, 43] +s [0.2, 1.7] and [x, y] =[-84.4, 45.5] +t [2.4 -0.9]. Determine the intersection of the two paths.

  64. testing and selection of dogs

    please check this for me thank you A dog with a strong prey drive has A. difficulty learning to obey. B. a vicious nature. C. a strong urge to chase and capture prey. D. a willingness to defend itself against preying animals. I said C

  65. Science/Math

    In a population being studied over a limit of time, four eggs hacth, six birds leave the area, three are eaten by cats, and five move into the area. What is the population change over the period of study? A. An increase of 2 birds. B. A decrease of 4

  66. physics

    You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 15 m/s2. After 21 s, the engine shuts off and the rocket continues rising (in freefall) for a while. (Neglect

  67. College Algebra

    Let x = the number of birds that Tim has. Let y = the number of dogs that Tim has. Tim has more than twice as many dogs as he has birds. Tim has more than 2 birds. The total number of dogs and birds that Tim has is less than 11. Set up an appropriate

  68. Physics

    How high will you be when you stop rising if you jump upward with an initial vertical speed of 2 m/s? Answer to the nearest 0.1 m, and use g = 9.80 m/s2.

  69. Biology

    Many species of birds are behaviorally adapted to migrate from one area to another as the seasons change. Often, this migration involves the birds flying north toward the Arctic during the summer and returning south during the winter. These birds have most

  70. Economics

    “On a net basis, foreigners sold a record $22 billion of long-term Treasury debt in November. A repeat performance would fuel market nightmares about _______ Treasury rates and a _______ dollar.” The blanks are best filled with A. falling; rising B.

  71. microeconomics

    If MP of labor is rising, then AV must be rising too. Is this True or False? do some research, then take a shot. Hint: your text probably has a graph with both marginal and average (cost or production) curves. Is there a level where the M curve is rising

  72. Statistics

    Suppose a certain species bird has an average weight of grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with grams. For a small group of 13 birds, find the margin of error for a 70% confidence

  73. explantaation

    how do birds fly? do u know where to find diagrams of how birds fly? http://www.fi.edu/wright/again/wings.avkids.com/wings.avkids.com/Book/Animals/intermediate/birds-01.html

  74. Math Word problems

    A number of birds were in a tree. Half flew away. 6 more flew away, a quester of the birds remained. How many birds were originally in the tree.

  75. Math Word problems

    A number of birds were in a tree. Half flew away. 6 more flew away, a quarter of the birds remained. How many birds were originally in the tree.

  76. physics

    A mass is dropped from a height of 30m, and at the same time from ground level (and directly beneath the dropped mass), and another mass is thrown straight up with a speed of 15 m/s. a) How far apart are the two masses after 0.5 s? b) Will the massses ever

  77. Literature

    'Du Maurier, who wrote the short story The Birds, tells us that the birds are trying to destroy human life, but we never know what is making them do it. Is it really the weather, as some characters in the story think? Is it an evil force? Suppose you're a

  78. Statistics

    Suppose a certain species bird has an average weight ofx=3.55 grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with 0=0.37 grams. For a small group of 15 birds, find the margin of error for a 70%

  79. physics

    You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 17 m/s2. After 20 s, the engine shuts off and the rocket continues rising (in freefall) for a while. (Neglect

  80. Physics

    A cheetah is hunting. Its prey runs for 2.56 s at a constant velocity of +10.02 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

  81. Physics

    A cheetah is hunting. Its prey runs for 3.07 s at a constant velocity of +11.32 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

  82. physics

    A cheetah is hunting. Its prey runs for 3.21 s at a constant velocity of +8.36 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

  83. physics

    A cheetah is hunting. Its prey runs for 2.9 s at a constant velocity of +9.9 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

  84. math

    how would you write an algebraic expression for tthe same number of birds,b, sitting on three different wires, then 9 birds fly off

  85. grammar/english/Ms.Sue

    The following grammar sentences need to follow the rule of "Dangling Modifiers",if they need no change write no change. 1.Flying over the oak tree, the farmer saw the flock of birds that had damaged his crops. My answer:The farmer saw the flock of birds

  86. English

    Using colons The special exhibit on birds contains the following types: prehistoric birds, seabirds, and domestic birds. The letter we wrote to the museum began Dear Sir: Please let us know when the special exhibition on penguins will be shown at your

  87. math

    If you have 32 pets and 4 are birds what % are birds 4/32= 1/8 how do I convert this to a percent? or do I need to figure this a different way?

  88. expression

    the same same number of birds, b, sitting on three different wires, then 9 birds fly off

  89. reading

    i had to read these 2 passages on was a silly poem about birds ball and the othe was a passage about woodpeckers that was true ihave to give to thngs in common and 2 things different i am trouble giveing the different ones

  90. Constant acceleration

    How is constant acceleration shown on a velocity-time graph? Isn‘t it shown as a straight line rising upward?

  91. rly need help on math problem!

    Directions: Use each statement as givena and draw a single conclusion using all of the statements. 1) No birds,except ostriches, are nine feet high.There are no birds in this aviary that belong to anyone but me. No ostrich lives on mince pie. I have no

  92. Math

    One half of the birds at the pet store was yellow. Tara buys one of the yellow birds. The one third of the birds at the store are yellow. How many yellow birds were at the store before Tara brought one ?

  93. PHYSICS

    In 2286, Admiral Kirk and his crew were forced to use the sling shot effect in a stolen Klingon Bird-of-Prey to travel back in time to the late 20th century to retrieve two humpback whales. The stolen Klingon Bird-of-Prey traveled towards the sun at a

  94. PHY 1

    In 2286, Admiral Kirk and his crew were forced to use the sling shot effect in a stolen Klingon Bird-of-Prey to travel back in time to the late 20th century to retrieve two humpback whales. The stolen Klingon Bird-of-Prey traveled towards the sun at a

  95. Math

    Waddell Mountains have a species of bird that hatches two new birds each week. Currently, there are 7 birds. Write a function representing this growth? What is the domain and range of the graph?

  96. Biology

    Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species is eliminated? If you were a scientist you could do an experiment to

  97. Physics

    A cheetah is hunting. Its prey runs for 2.88 s at a constant velocity of +8.93 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time? (Give the magnitude of the

  98. Algebra2

    The function f(t)=100,000/1+5000e^(-t) represents the population of an endangered species bird t years after they were introduced to a non-threatening habitat. a.In what year will there be 70,000 birds? b.How many birds were intially introduced to the

  99. last one i promise....physics

    A startled armadill leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is its speed at the height f .536m? How much higher does it go?

  100. Physics

    A startled armadillo leaps upward rising .536 m in the first .197 s. What is its initial speed as it leaves the ground? What is its speed at the height of .536m? How much higher does it go?

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