1. science
    A steel block weighing 12N is pulled up an incline plane 20° above the horizontal by a constant force of 7.35 N which makes an angle of 10° above the inclined plane. The block stars from rest and is pulled 2.0m along the inclined plane. the coefficient of friction between ...
  2. Science
    Instructions to Students: ⦁ These sub-chapters will be done via “Flipped Learning”. This means that the learning is flipped to be done independently in your individual homes, instead of in school. ⦁ As such, go through the slides (on LMS) and complete the notes ...
  3. Science
    Hi, so there is a Japanese Exchange Science Program and i need a science experiment for my application. The experiement has to be done in America and then in Japan. I have been searching online for ideas but nothing seems to come up. Will someone help me with some ideas for ...
  4. Science
    A bullet travelling with velocity 60m/s penerates a trunk and comes to rest covering 0.5m. calculate the time taken during the retardation
  5. science
    A water bed is 2.0m square end 30.0cm depth what is its weight
  6. Science
    a person takes a trip hi driving with a constant speed of 90 km per hour except for 30 minutes fresh shop is a person average speed is 75 km per hour how much time you spend on trip and how far does the person travel
  7. science
    differences between rotation and revolution of the earth
  8. Science PHYSICS
    What happens to total voltage if multiple cells are connected in series? Connected in parallel? 2. What happens to the voltage, current and brightness of the bulbs if they are connected in series? connected in parralel
  9. Science
    Two uses of chemicals in our everyday life
  10. science
    9. Write a paragraph about the asteroid theory of dinosaur extinction. Be sure to include any geological evidence.
  11. Science
    In a new system of unit called star unit 1*kg=10kg,1m*=1km,1s*=1min. Convert 1J of energy in new system of unit.
  12. Computer Science
    Must be in C#: I will not be submitting this work as my own work. I just want help with the problem. For today's lab you will be creating a basic inventory system. The inventory system will be for a DVD store. You will have to make a DVD class that has fields to hold a title (...
  13. Science
    Doesn't a diploid cell has 46 chromatids and duplicate in to 92 chromotids? why do people say 46 chromosomes in a deploid cell?
  14. Science
    What is the endocrine system for.
  15. science
    science depends on which of the following hunches evidence**** imagination philosophy
  16. science
    what are the functions of liver, pancreas and stomach
  17. Science
    When a wire of 5m and radius 0.5mm is stretched by a load of 49N, the Elongation produced in the wire is 0.1cm.find the energy stored per unit volume of the wire.
  18. Science
    Can someone explain grade 9 biology translation and transcription for me? My teacher doesnt explain it well. I cannot understand it at all. Detailed description please and easy to understand.
  19. computer science
    anyone know any new software capability in computer science that came out this year?
  20. Science
    1. One of the ways humans can preserve biodiversity is (blank). A. habitat destruction B. habitat preservation C. habitat fragmentation D. poaching
  21. Science
    A peice of ice weighting 5g at -20 centigrade is put into 10g of ice at 30C. Assuming no heat is lost to the outside.Calculate the final tempature of the mixture?
  22. science
    What is the general trend of the angle of refraction at a given angle of incidence, as the refractive index increases?
  23. Physical Science
    An 3000-kh car traveling at 70 m/s takes 8 m to stop under full braking. The same car under similar road conditions, traveling at 140 m/s, takes
  24. science (DENSITY)
    the mass of an empty container is measured and found to be 55.75g. the container is filled to thee rim with water. its mass is measured again and found to be 105.75g. The container is emptied and dried with paper towel to remove any traces of water. It is then filled with an ...
  25. science
    what is the general trend of the critical angle as the refractive index increases?
  26. Science
    A coil of inductance 0.04henry and negligible resistance is connected in parallel with a 10ohms resistor, across a 240volts supply of frequency 50hz. Calculate:1) the current through the resistance, 2) the current through the coil, 3)the supply current, 4)the power in the ...
  27. Science
    A particle in simple harmonic motion has a period of 0.4s. If the maximum speed attained during the motion is 0.3s, what is the amplitude of the motion?
  28. Science
    A solution is prepared by dissolving 11gm glucose in 200 cm3 water at 30°c. What is the mass percentage of glucose in solution? The density of water 30°c is 0.996 glcm3?
  29. science
    What is the difference between Light and Sound and what are the same. write sentences
  30. science
    In astronomy the term perihelion refers to the point in the orbit of an asteroid, comet, or planet when it is closest to the sun. Aphelion refers to the point when the object is farthest away from the sun. research facts about the dwarf planet Ceres. calculate the average ...
  31. Science
    one of the properties of matter is density. density is defined as the mass per unit of volume of a substance. a substance that is more dense than another has more mass for the same volume than the other substance. Density of gases : chlorine-3.21, ethyne-1.17, helium-0.18, ...
  32. science
    many animal foods like meat and fat are high in energy content. Where did this energy originate. explain by referring to food chains.
  33. science
    So a tonicity experiment was performed. - One tube filled with 45% glucose was placed in D.I water, while another tube was filled with 15% NaCl and also placed in DI water. When checked for a change in weight, the weight change for glucose was higher compared to the weight ...
  34. Science
    So is the reason why scientists don’t like to use the word artificial because artificial receptors or anything else artificial does the same exact job as something natural so scientists belive it shouldn’t need a distinction?
  35. Science
    Why do scientists not like to use the word “artificial”?
  36. Science
    Sometimes, when you sit by a lake in a forest, you can see perfect images of the hills and trees in the lake. Other times, when you are sitting beside the same lake, you cannot see any images in the water. Explain the difference between these two situations.
  37. science
    A piece of metal of mass 15 g at 119 ◦C is placed in a calorimeter containing 48.8 g of water at 23◦C. The final temperature of the mixture is 58.9◦C. What is the specific heat capacity of the metal? Assume that there is no energy lost to the surroundings.
  38. Science
    What maszid hydrochloric acid is needed to decompose 50g of limestone?
  39. Science
    We get a _ if we stay out in the sun for a long time
  40. Philosophy
    The best way that science can answer the problem of the identity theory of materialism (which means chemical brain states = mental states…which seems to indicate chemicals can “feel” and “think”) is by saying: I don't understand what this question is asking, can ...
  41. Science
    What are carbon sources and sinks for (a)The Water cycle (b) The Citrogen cycle (c) The Carbon Cycle
  42. Science
    Calculate the position of a 3 cm high object, if it is to produce a 6 cm size real image, using a focal length convex lens of 8 cm.
  43. science
    Breanna and Kevin learned that fossil fuels, such as coal and oil, release energy when they are burned. Breanna believes this energy comes from the ancient plants and animals that formed fossil fuels, but Kevin says the power in fossil fuels comes from the Sun. Who is right ...
  44. Chemistry Honors
    In a science lab, acids and bases are often stored in high concentration "stock" bottles and then diluted as needed. If 100 mL of a 12 M solution of HCl is diluted to a final volume of 500 mL, what would be the final concentration of the diluted HCl? Answer: 2.4M
  45. science
    In what ways might individuals of the same species compete with each other if they are (a) herbivores (b) carnivores (c) producers
  46. Science
    If 100 bacteria get into your body and reproduce every 20 minutes how many will there be in 2 hours
  47. Science
    Complete the following monohybrid cross. Two parents that are heterozygous for brown eyes. Be sure to identify the genotypes of the parents, complete the Punnett square, identify the phenotypes with genotypes and the ratio of the phenotypes. What percent of the offspring have ...
  48. physics
    A science student is riding on a flatcar of a train traveling along a strait, horizontal track at a consistent speed of 12 m/s. The student throws a ball into the air along a path he judges to make an initial angle of 65 degrees with the horizontal and to be in line with the ...
  49. P . science
    You’re driving along a straight road at a speed of 48.0 km/h when you see a deer in the road 35.0 m ahead of you. After applying the brakes it takes you 2.00 s to bring your car to rest, but there is a reaction time period (the time between when you first see the deer and ...
  50. Science
    The radius of the orbit of a geosynchronous satellite is 36000km then the period of revolution of a satellite with its orbital radius9000km would be
  51. Engineering
    Models and equations are limited because a. all knowledge is limited b. most have design flaws c. they cannot represent every varible d. they are dependent on centuires-old science One Created, radioactive materical cannot be destoryed. T/F 1. C 2. F
  52. Science
    Why are fossil fuels not renewable? A. There is a abundant supply of fossil fuels. B. It is a widley used source of energy. C. It takes hundreds of millions of years to form them? D. They are replaced within a short period of time.
  53. Science
    Which system contains divisions such as peripheral, central and autonomic? digestive nervous endocrine reproductive Other:
  54. Science
    After an accident, a 60.0 kg Inuit girl finds herself at rest on the frictionless ice of a frozen lake, 15.0 m north of her stationary 150 kg sled. Fortunately she is connected to the sled by a rope of negligible mass, so she begins hauling the rope in, maintaining a constant ...
  55. Writing
    My course program is Bachelor of Science in Information technology. Throughout this course, you will be asked to reflect on various topics in journal entries. Your Topic 2 entry will be about your program of study. The purpose of writing the journals is to provide you with an ...
  56. Science
    Name two types of evidence used to support the theory of evolution. Explain how scientists use each type of evidence to provide support for evolution. Give one example of each. I need 6 sentences please help I still need to finish other classes and I only have 3 days
  57. Science
    Why is the structure of arteries different from the structure of capillaries?
  58. Science
    Which type of rock forms from magma and contains large interlocking crystals?
  59. Science
    How is the structure of capillaries related to their functions?
  60. Science
    The avg moler heat capacities of ice and water are 37.8 and 75.6jmol-1 respectively and the enthalpy of fusion of ice is 6.012kjmol-1 the amount of heat required to change 10 gm of ice at -10°c to water at10°c would be
  61. science
    The first full-scale oceanographic research expedition was conducted by the:
  62. science
    why is chlorine added to water
  63. Science
    Do not eat _ _ _ _ _ food
  64. Science
    how does the anthropogenic greenhouse harm living organisms.
  65. science
    how does the natural greenhouse effect supports life on Earth.
  66. science
    Please someone answer this question for me .If you want to work in the lab what were you trying to demonstrate............... Thanks
  67. Math, science
    Discuss the different types of energies possessed by a flowing liquid .derive an expression for the title energy per unit mass of a flowing liquid.
  68. science
    1) Identify the systems of your body, and explain how these systems work together. 2) Describe the flow of blood to the human body, including through each of the four
  69. science
    1.Why is antibiotic resistance a problem? 2.What are possible causes of antibiotic resistance? 3.What are ways that scientists have proposed to deal with the problem? 4.What are ways that ordinary people can help to keep antibiotic resistance from getting worse? 5.Express your...
  70. Science
    This is just a general question.. Why do you think it is beneficial to average class data instead of drawing conclusions from only data that your group collected?
  71. science
    Examine the scenario. A child starts at a position of 2 m east of his house. He moves 1 m south, 5 m west, and then 1 m north. What is his displacement for this trip? 5 m west 1 m north 3 m west 7 m A?
  72. College Mathmatics
    A survey of 63 customers was taken at a bookstore regarding the types of books purchased. The survey found that 39 customers purchased mysteries​, 29 purchased science fiction​, 23 purchased romance novels​, 16 purchased mysteries and science fiction​, 13 purchased ...
  73. science
    What is a relative change between two quantities known as? rate of change sum quotient percentage A? Read the scenario. A lizard is at an initial position of 2 m and walks to a position of 10 m in 4 s. What is the lizard’s average velocity? 2 m/s 2.5 m/s -3 m/s 3 m/s A?
  74. Science
    A strong electric field is? a.directed toward a charge*** b.directed away from a charge. c.caused by a large quantity of charge. d.caused by a small quantity of charge.
  75. Science
    Which of the following statements is a consequence of the equation E = mc2? A) Energy is released when matter is destroyed. B) The law of conservation of energy must be modified to state that mass and energy are conserved in any process. C) Mass and energy are equivalent. D) ...
  76. Science
    I'm stuck on this: The buoyant force acting on a submerged object is equal to: A. The objects mass B. The objects volume C. The mass of the fluid displaced by the object D. The weight of the fluid displaced by the object... If I had to guess I would go with A or B
  77. Science
    Why does the moon lack an atmosphere? How does a black hole form?
  78. science
    two people are pushing a couch in the same direction one person pushes with a force of 2n the other person pushes with a force of 4n
  79. science
    if the time interval between lighting and thunder is 2 seconds.What is the point of lighting if the speed of sound in air is 346m/s?
  80. Help
    Can someone please help me with my previously posted science lab?
  81. Science
    Sunlight, wind, and running water are essentially “free.” Yet renewable energy sources are a very small part of our energy consumption. Why is this? Explain.
  82. Science
    What is a primary energy source? Explain how it differs from a secondary source.
  83. science
    Does sound go through a wooden block?
  84. science
    What materials will trap heat in the greenhouse and prevent it from escaping?
  85. Science
    What're some examples of wind energy?
  86. Science
    the 3 Rs stand for: reduce reuse and replicate recycle******* redo regulate
  87. science
    water turns into _____ _____ _____ _____ is a gas.
  88. Science
    Experiment. To show that expired air contains carbon dioxide
  89. Science
    What is the difference between abiotic and biotic factors? tank you peoples. yes tank you tank peoples peoples
  90. science
    1. Jane, looking for Tarzan, is running at top speed (4.9m/s) and grabs a vine hanging vertically from a tall tree in the jungle. How high can she swing upward? 2. In the high jump, Frank's kinetic energy is transformed into gravitational potential energy without the aid of a ...
  91. Social Science
    A Manifesto for Creativity. I have an assessment on creating a manifesto that enhance creativity in workplace and I'm really out of idea. The assessment details include - how can creativity best be encouraged within workplace -what can you do as a future leader to ensure that ...
  92. Science
    1. What stretches over most of the Arabian Peninsula ? a. Fertile farmland b.forest c. Desert d. Lakes 2. Camels were used by Bedouin’s because they require very little a. Food b. Water c. Sunlight d. Sleep 3. A search of waterfront in the desert is called a. A water fall b...
  93. science
    is water renewable
  94. Science
    According to newtons third law of motion is a rolling boil collage with a wall and exerts a force of three noon on that wall how much force touch the wall exert back on the ball
  95. science
    What plants grow in mountains??
  96. science
    what materials could have been found in the giant gas cloud that formed the solar system A hydrogen and helium B hydrogen and oxygen C carbon dioxide and oxygen D liquid and solid water
  97. Science
    Which of the following Best describes the movement of an object at rest if no outside forces act on it. It will move due to inertia. Gravity will eventually cause it to move. It will stay at rest due to inertia~~~~~~~ It will stay at rest due to gravity.
  98. math
    1.The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) (6,1)|(6,2)|(6,3)|(6,5...
  99. Science
    A load of 30N is raised 2m when an effort of 10N moves 8m calculate the velocity ratio and efficiency of a machine
  100. Science
    Please help me with these questions from the Science 6: Forces and Motions Unit Test. My answer-****** 1. Which of the following best describes the movement of an object at rest if no outside forces act on it? (1 point) It will move due to inertia. Gravity will eventually ...
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