1. English

    1. He stood on the hill with his arms crossed. 2. She sleeps with one eye open. 3. Don't talk with your mouth full. 4. He is walking with a baseball in his hand. 5. He was reading a book with his wife knitting beside him. 6. She worked in the living room
  2. English

    1. On the hill stood an old tree. 2. On the hill it stood. 3. On the hill stood this. 4. On the hill this stood. 5. On the hill stood these. 6. On the hill these stood. (Are #1 and #2 correct? What about #3 and #4? Which one is correct? What about #5 and
  3. English

    1. On the hill an old tree stood. 2. On the hill stood an old tree. 3. On the hill, an old tree stood 4. On the hill, stood an old tree. 5. On the hill it stood. 6. On the hill stood it. (Which ones are grammatical?)
  4. Genetics

    1) A White eye (w) female Drosophila is crossed with diminutive (dm) males. The F1 wild type females are then crossed to the double mutant, white eye, diminutive males and produce the following: white eye, normal size 487 normal eye, diminutive 475 normal
  5. Rob

    1) A White eye (w) female Drosophila is crossed with diminutive (dm) males. The F1 wild type females are then crossed to the double mutant, white eye, diminutive males and produce the following: white eye, normal size 487 normal eye, diminutive 475 normal
  6. Interpersonal comunication

    An unwillingness to listen or agree can be communicated through A. chewing of the lips or nails. B. slumping. C. arms crossed over the chest. D. squinting. answer c.
  7. English

    1. She stood there, and she closed her eyes. 2. She stood there, closing her eyes. 3. She stood there, with her eyes closed. 4. While she stood there, she closed her eyes. 5. While she closed her eyes, she stood there. ------------------ Are the five
  8. Math

    Eye radius of category 5 cyclones is 20Km. What is the probability that any randomly selected category 5 cyclone will cross the Qld coast such that the eye wall of the cyclone will pass over Cairns which is on a 3200Km section of Qld coast? Cyclones
  9. physics

    A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.1 m. Neglect friction and air resistance. What must be the height
  10. physics

    A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 39.6 m. Neglect friction and air resistance. What must be the height
  11. Physics

    A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.3 m. Neglect friction and air resistance. What must be the height
  12. social studies

    what has stood for almost 2500 years on a hill called acropolis and the people of greece built me to honor the godess athena
  13. Psychology

    From your perspective, how does the material in your textbook on the topics of self-presentation and social perception relate to the passage from Matthew 7:3-5, in which Jesus asks: "Why do you look at the speck of sawdust in your brother's eye and pay no
  14. Algebra

    Ann sleeps 8 hours per night. Write an expression for the number of hours Ann sleeps in n nights
  15. math?

    ann sleeps 8 hrs per night. Write an expression for the number of hrs ann sleeps in n nights
  16. English

    1. He stood there, and he closed his eyes. 1-2. He stood there, closing his eyes. 2. He stood there, and then he closed his eyes. 3. He stood there, and after that he closed his eyes. 4. He stood there, with his eyes closed. 5. He stood there with his eyes
  17. English

    1. He stood silent. 2. He remained quiet. 3. He lay speechless. 4. He stood silently. 5. He stood quietly. 6. He was standing arrogantly. 7. He was standing silent. (Are they all grammatical? From #1 to #3, adjectives are used. In the other sentences,
  18. phys. help

    A 30-kg child coast down a hill on a 20-kg sled. She pushes off from the top of the hill with a velocity of 1 m/s. At the bottom of the hill, she is moving 4 m/s. If there is no heat generated when she slides down, how high is this hill? thank u
  19. applilcations of trigonometry

    A surveyor wants to find the height of the top of a hill. He observes that the angles of elevation of the top of the hill at points C and D, 300m apart, lying on the base of the hill and on the same side of the hill are 30° and 45° respectively What is
  20. English

    1. She stood on her hand at the concert. 2. She stood on her hands at the concert. ------------------------------- Do we have to use 'hand' or 'hands'? Are both Okay? Which one is commonly used? • English - Writeacher Saturday, December 2, 2017 at 8:01am
  21. math

    A koala sleeps an average of 22 hours each day about how many hours does a koala sleeps in a year?
  22. trig

    A hill rises from the horizontal at 15º. The road leading straight up the hill is 800 meters long. How much higher is the top of the hill than the base of the hill? Round to the nearest meter. (Enter only the number.)
  23. Math

    Paul is standing at the bottom of a hill that is 150 meters high. He measures the angle of the elevation of the top of the hill to be 32 degrees. If the slope of the hill is constant, how far will his walk to the top of the hill be
  24. Physics

    A skier is traveling at a speed of 36.2 m/s when she reaches the base of a frictionless ski hill. This hill makes an angle of 15° with the horizontal. She then coasts up the hill as far as possible. What height (measured vertically above the base of the
  25. trigonometry

    a tower 150 meter is situated at the top of the hill.At a point 650 m down the hill.The angle between the surface of the hill and the line of sight to the of the tower is 12degrees 30 '.Find the inclination of the hill to a horizontal plane.
  26. College Physics

    A skier is traveling at a speed of 39.7 m/s when she reaches the base of a frictionless ski hill. This hill makes an angle of 14° with the horizontal. She then coasts up the hill as far as possible. What height (measured vertically above the base of the
  27. Physics

    A person struggles to read by holding a book at arms length, a distance of 50.0 cm. What power of reading glasses should be prescribed for him, assuming they will be placed 2.0 cm from the eye and he wanted to read at normal near point of 25.0 cm?
  28. physics

    An astronomical telescope has an object lens of 80cm and an eyepiece of 5cm focal length.If the image is formed 25cm from the eye piece when a distant object is viewed by the eye close to the eye piece ,detemine the magnifying power of the telescope.What
  29. physics 12U

    A driver parks his car on a hill but accidently leaves it in neutral. The car starts from rest and accelerates down the 45 m long hill. It take the car 12.3 seconds to reach the bottom of the hill. a) What is the final velocity of the car at the bottom of
  30. physics

    The cart starts from rest at the top of a hill with height, H1. It rolls down the hill and at the bottom of the hill it has a speed of 8 m/s. Next it is at the top of same hill but pushed so that it starts at the top of the hill with a speed of 6 m/s. How
  31. physics

    The cart starts from rest at the top of a hill with height, H2. It rolls down the hill and at the bottom of the hill it has a speed of 10 m/s. Next it is at the top of same hill but pushed so that it starts at the top of the hill with a speed of 4.59 m/s.
  32. physics

    A 417 kg pig is standing at the top of a muddy hill on a rainy day. The hill is 100m long with a vertical drop of 37.4 m. If the pig slips and begins to slide down the hill, assuming a negligible amount of friction what will be the pigs speed at the bottom
  33. Physics

    A 1600-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 32 m/s. Going up a hill, the car's engine produces 54 hp more power to sustain the constant velocity than it
  34. Physics

    A 1800-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 28 m/s. Going up a hill, the car's engine produces 52 hp more power to sustain the constant velocity than it
  35. genetics

    a man with blue eye married a girl with broun eye and the mother of the girl has blue eye. What is the probability that their children will have blue eye
  36. Physics- Exercise 10

    A 500kg pig is standing at the top of a muddy hill on a rainy day. the hill is 100.0m long with a vertical drop of 30.0m. the pig slips and begins to slidedown the hill. What is the pig's speed at the bottom of the hill? Use the Law of conservation of
  37. Physics help please!!!

    Biomedical measurements show that the arms and hands together typically make up 13.0% of a person's mass, while the legs and feet together account for 37.0% . For a rough (but reasonable) calculation, we can model the arms and legs as thin uniform bars
  38. Physics

    Biomedical measurements show that the arms and hands together typically make up 13.0% of a person's mass, while the legs and feet together account for 37.0% . For a rough (but reasonable) calculation, we can model the arms and legs as thin uniform bars
  39. gen physics II optics

    Find the radius of a star image formed on the retina of the eye if the aperture (pupil) diameter at night is 0.70 cm and the length of the eye is 3.1 cm. Assume the wavelength of the starlight in the eye is 500 nm. (1nm=10^9 m)
  40. Math

    Snowflakes have six identical arms. Using the centre of the snowflake as the point of rotation,what is the smallest positive angle through which you could rotate the snowflake so the arms line up?(The rotated snowflake would match the appearance of its
  41. Physics

    A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 85.0 kg, and the hill is inclined at 19.0° with respect to the horizontal. Air resistance opposes the motion of the cyclist. Later, the bicyclist climbs
  42. Physics

    A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 55.0 kg, and the hill is inclined at 16.0° with respect to the horizontal. Air resistance opposes the motion of the cyclist. Later, the bicyclist climbs
  43. 8th grade physical science

    You are on roller blades on top of a small hill. Your PE is 1,000.0 Joules. The last time you check your mass was 60.0 kg. What is the height of the hill? if you start skating down this hill, your poetntial energy will be converted to kinetic. At the
  44. Physics

    a 107 lb little red wagon full of kids is on the top of a 41.4 m hill. the wagon falls down the hill and up a 14.5 m hill. how fast is it going on the top of the second hill if there is no friction?
  45. physcis

    biker passes a lamppost at the crest of a hill at + 4.5 m/s. she acceleratets down the hill at a constant rate of +0.40 ,/s2 for 12 seconds.\ how far does she move down the hill during this time?..
  46. Physics

    Roger (mass of 75 kg) is travelling on a new ride called the Riddler's Revenge. On a 7.1 m hill he is moving along at 31.3 m/s, then slows down to 24.7 m/s on the second hill. How high is the second hill?
  47. Physics

    A person can see an object in focus only if the object is no farther than 35 cm from the right eye and 58 cm from the left eye. Write a prescription for the refractive powers ℛ (in diopters) for the person's corrective lenses. right eye dpt left eye
  48. Science

    How does DNA determine a trait such as eye color? A. DNA codes for proteins that determine eye color. B. DNA code for mRNA that detemines eye color. C. DNA interacts with proteins to control eye color. D. DNA contains pigments which make up eye color. Is
  49. Physics help

    A skier approaches the base of an icy hill with a speed of 11.6 m/s. The hill slopes upward at 24° above the horizontal. Ignoring all friction forces, find the acceleration of this skier (a) when she is going up the hill, (b) when she has reached her
  50. misc

    Just a curious question: When you punch someone in the eye hard enough, you give them a 'black eye' which is actually purple...so why is it called a black eye? -MC
  51. Physics

    a bike passes a lamp post at the crest of hill at 4.5 m/s. she accelerates down the hill at the rate of 0.04 m/s squared for 12 seconds. how far does she move down the hill during this time ?
  52. Social Studies (France and nuclear arms)

    can anyone educate me about why france should have the right to nuclear arms?? and be specific about what the arms and rights are? please please please! i need to argue about it. thank you!
  53. Physics

    Kathy is changing the tire of her car on a steep hill 20 m high. She trips and drops the 10 kg spare tire which rolls down the hill. What is the speed of the tire at the top of the next hill if the height of the hill is 5 m high?
  54. PHYSICS

    An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until it is at ground level.
  55. trigonometric problem

    Point A and B are on the same horizontal line with the foot of a hill and the angles of depression of these points from the top of hill are 32° and 22° respectively. If the distance between A and B is 80 meters, what is the height of the hill?
  56. math

    A straight road up a hill has a slope of 1/4. From the bottom of the hil to the top of the hill, the horizontal change is 80 m. Determine the height of the hill. I'm thinking that it's 80/4 = 20 m.. but I'm not 100% sure.
  57. physics

    4. An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until it is at ground
  58. Physics

    An 80.0 kg rollerblader is at rest at the top of a 100 m hill at a 7o incline. The coefficient of friction on the hill is 0.110. What is the roller blader's kinetic energy at the bottom of the hill?
  59. Physics

    An 80.0 kg rollerblader is at rest at the top of a 100 m hill at a 7o incline. The coefficient of friction on the hill is 0.110. What is the roller blader's kinetic energy at the bottom of the hill?
  60. physics

    What are the speed and acceleration (increase/decrease or remain constant) of a ball rolling down a a) straight hill, b) concave hill c) convex hill Can someone explain why they are, not just the answers?
  61. college physics

    A certain person's eye measures 24.0 mm from the pupil to retina. (a) If we treat the eye's lens as a thin lens, what is its focal length when the person focuses on a pencil 44.3 cm from the eye? (b) While the person focuses on the pencil, what is the
  62. physics

    a person is standing at the top of a 58 m tall hill. He stumbles and falls. As he rolls down the hill, magically friction has no effect on him! when he is still 25.0 m above the base of the hill determine how fast he is moving.
  63. Physics

    A person is standing at the top of a 58.0m tall hill. He stumbles and falls.As he rolls down the hill, magically friction has no effect on him! When he is still 25.0m above the base of the hill determine how fast he is moving.
  64. English

    1. Keep your fingers crossed. (Why do you use this expression? When we wish somebody good luck, we keep our fingers crossed. Why do we do that? Do you have some reason for that?)
  65. english

    I need to think of some famous sayings of phrases about eyes such as Into the eye of the storm An eye for an eye, a tooth for a tooth
  66. physics

    A severely myopic patient has a far point of 5.00 cm. By how many diopters should the power of his eye be reduced in laser vision correction to obtain normal distant vision for him? Assume the image at the back of the eye is formed 0.2 m from the eye's
  67. physics

    A 4000 kg trailer is towed up a hill with a 5% grade. If the towing truck starts from rest at the bottom of the hill and reaches a speed of 12 m/s at the top of the hill, how much is the towing force. The road from the bottom to the top of the hill is
  68. Physics

    A 4000 kg trailer is towed up a hill with a 5% grade. If the towing truck starts from rest at the bottom of the hill and reaches a speed of 12 m/s at the top of the hill, how much is the towing force. The road from the bottom to the top of the hill is
  69. Physics-Work, Energy, and Power

    A 56.9 kg sledder descends an 8.21-meter high hill, encountering a friction force of 11.7 N, Fill in the blanks and determine the speed of the sledder after traveling the 31.7 meters to the bottom of the hill. Top of the hill: KE=0J PE=_ W=_ Work=_ PE=0J
  70. English

    1. The professor stood at the lectern and gave his lecture. 2. The teacher stood at the teacher's table and began to teach. 3. The teacher stood at the lectern and began to teach. 4. The teacher stood at the lecture table and began to teach.
  71. English plz check my work!?!?!

    She slams the door closed. The tears won't stop running. She hits her head into the pillow. "Why was I ever born?!" She screamed out. Her mother ran up the stairs, calling her name. Before her mom could open the door she quickly locked it. "Trinity?!Trinty
  72. physics

    A toboggan approaches a snowy hill moving at 15.0 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.460 and 0.350, respectively, and the hill slopes upward at 41.0 above the horizontal. Find the acceleration of
  73. college

    A woman can see clearly her right eye only when objects are between 45 cm and 155 cm away. Prescription bifocals should have what powers so that she can see distant objects clearly(upper part) and be able to read a book 25 cm away(lower part) with her
  74. Physics-Optics

    A woman can see clearly her right eye only when objects are between 45 cm and 155 cm away. Prescription bifocals should have what powers so that she can see distant objects clearly(upper part) and be able to read a book 25 cm away(lower part) with her
  75. Math help please

    Which hill described in the table is the steepest? Explain. Street|Horizontal distance|vertical rise Dixie |80 |40 hill | Bell |80 |20 hill | | Liberty|80 |60 hill | | A)Bell Hill;it rises 1 foot for every 4 feet of horizontal travel. B)Dixie Hill; it
  76. English

    1. He was sleeping with his wife kniting beside him. 2. He was sleeping and his wife was knitting beside him. 3. He was sleeping with his mouth open. 4. He was sleeping with his arms crossed. 5. He was sleeping with his legs up. 6. He was sleeping with his
  77. Physics

    I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be the highest to gain the potential energy (PE). I hope someone can help with this example I just made up to help me understand:
  78. history

    coat of arms for the yarnall family When I searched on Google for "coat of arms" Yarnell, this is the result I found: http://www.houseofnames.com/xq/asp.c/qx/yarnell-coat-arms.htm No results found! So I guess you are free to make up your own!! =) Ooops! I
  79. grammar

    Which is the correct verbal usage of the following sentence? I let it there while I stood and applauded or I left it there while I stood and applauded?
  80. physics

    Lauren is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling up the hill at all. What would her speed at the bottom need to be? 50 m/s 71 m/s 7.1 m/s 240 m/s
  81. physics

    Lauren is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling up the hill at all. What would her speed at the bottom need to be? 50 m/s 71 m/s 7.1 m/s 240 m/s
  82. physics

    A boy standing on top of a hill throws a stone horizontally. The stone hits the ground at the foot of the hill 2.5 s later. How high is the hill ?
  83. physics

    A toboggan slides down a hill and has a constant velocity. The angle of the hill is 6.50° with respect to the horizontal. What is the coefficient of kinetic friction between the surface of the hill and the toboggan?
  84. physics

    A toboggan slides down a hill and has a constant velocity. The angle of the hill is 6.70° with respect to the horizontal. What is the coefficient of kinetic friction between the surface of the hill and the toboggan?
  85. physics

    A BOY IS HANGING FROM A BRANCH OF A TREE THE TENSION IN THEW ARMS WILL BE MAXIMUM WHEN THE ANGLE BETWEEN THE ARMS IS
  86. Physics

    A figure skater is spinning with her arms out wide. Will she spin faster or slower if she tucks in her arms? Why?
  87. trigo

    Points A and B are on the same horizontal line from the foot of a hill and the angles of depression of these points from the top of the hill are 30deg and 22deg, respectively. If the distance between A and B is 75m, what is the height of the hill?
  88. physics

    a bicyclist has a mass of 50 kg. Intial velocity is 20 m/s as she hits the bottom of the hill. Doing no work, she reaches the top of the hill with a final velocity of 5 m/s. What is the vertical height of the hill?
  89. Physics

    A hollow sphere starts from rest and rolls down a hill without sliding. At the bottom of the hill, it has a linear velocity of 5 m/s. What was the height of the hill the sphere rolled down (in meters)?
  90. physics

    A sled slides without friction down a small, ice-covered hill. If the sled starts from rest at the top of the hill, its speed at the bottom is 7.60 m/s. What is the height of the hill?
  91. Botany

    Individuals homozygous for cd genes were crossed with wild type ++ . The F1 dihybrid thus produced was test crossed. It produced progeny in the following ratio - ++ 900, + d115 cd 880, c + 105. What is the distance between c and d genes?
  92. phycis

    A roller coaster has two hills and starts from rest atop the first hill , which is the higher of the two hills . The secound hill increases if the height of the initial hill is increased by 20m
  93. 10th grade

    Suppose that a kid was casually sledding down a gentle slopping hill going 6 feet per second. Then, he hit a steeper part of the hill and started accelerating at a rate of 1.2 feet/second squared. At the bottom of the steep part of the hill he was going
  94. PHYSICS

    Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #8: A 20 kg block of ice slides without friction down a
  95. Physics

    A toboggan approaches a snowy hill moving at 11.1 m/s . The coefficients of static and kinetic friction between the snow and the toboggan are 0.410 and 0.280, respectively, and the hill slopes upward at 42.0 ∘ above the horizontal. A)Find the
  96. physics

    a boy of mass 40 kg hanging from the horizontal branch of a tree .the tension in his arms is minimum when the angle between the arms?
  97. Physics-Please help

    If I have a roller coaster, and hill 1 height is 50cm and hill height 2 is 25 cm and the PE is .9 as it approaches the top of hill 2, how do I calculate the speed. Please help
  98. science

    what is the probability that if each parent has one brown eye gene and one blue eye gene will have one chance in four that there children will get two blue eye genes?please help.
  99. algebra

    . A boy is sitting in his red wagon at the top of a hill, holding onto a tree to keep from rolling down the hill. The distance from the top of the hill to the bottom is 41 meters. He pushes off from the tree at a starting velocity of 2 m/s, and then
  100. Physics

    A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 80 kg and the hill is inclines at 15 degrees with respect to the horizontal. Air resistance opposes the motion of the cyclist. Later, the bicyclist

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40