physics

1,677 results
  1. Physics;Help!!!!!!

    There is apparently no one online who can help with physics questions right now. Please check back later to see if a physics teacher has addressed your question. Multiple posts won't get faster answers. Thanks. =) The question is in the first question
  2. Physics

    Could someone help me to say this better? I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear physics, which considers atomic nuclei alone
  3. physics

    thanks for the help earlier just got a question I'm taking AP Physics B this year does that mean next year I would Take AP Physics C??? I don't know if the material in C convers the same material plus the additional calculus material or what??? Could I
  4. Physics and movies

    we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971 version...I need help trying to prove that Violets becoming a blueberry is impossible and an
  5. Physics Find mass and radius of planet.

    While visiting Planet Physics, you toss a rock straight up at 15 m/s and catch it 2.4 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 240 min. What is the mass of Planet Physics? What is the
  6. REPOST

    CAN someone please give me a good idea as how to find information for this problem: we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971
  7. Sta 112

    This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and
  8. AP physics

    do you guys have an someone that good with advanced physics, because i have a few problems that i am not sure how to do and its for my AP physics class, and I wasn't sure if you had someone on board now that could help thanks
  9. Physics

    Research on the physics of living systems.Give two examples to show how physics
  10. physics

    what is physics? i know that its subject but what is definition of physics? The study of matter, energy, space, and time, and the interactions thereof.
  11. Math

    In a class of 156 students who took maths and physics they all passed at leat 1 subject 75 pass math and physics.if twice has passed physics find how many students pass math only. Represent in Venn diagram.
  12. college physics

    This site is just a front for liveperson Most college physics questions are not answered for months if ever. Out of "200 experts" you must have somebody who knows physics right? Guess not.
  13. Thanks

    I would just like to sat thanks to drwls for helping me a bunch with the physics questions...AP physics is pretty hard..thanks again, whoever you are.. I am sure i will be back plenty of times!
  14. how come no one is helping on physics questions!!!

    every physics helpers are not getting any responses. can someone help on physics questions pleases???
  15. 11th grade physics

    my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck
  16. math

    A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as
  17. Deciding on a H.S. Science Course

    I'm currently a sophomore, and I need to plan a science course for next year. Do you know if colleges require physics? Would a college prefer to see physics on my transcript in oppose to Environmental Sciences or Astronomy? Thanks!!
  18. maths

    A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked physics,20 liked maths and history,14 liked maths and physics,2 liked all the subjects. a) how many of these students like maths and
  19. Math

    In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to
  20. Physics (Final Review)

    Ok so tomorrow is my Physics final and I have so much depending on this one test ( all my other grades are 80 and above but this one is a low 70). I have studied for the final but if anyone could supply me with a list of most know formulas for physics I
  21. physics

    just wondering if anybody have any suggestions for a physics project (anything that deals with physics)??? thanks Research the Klien-Fogleman wing and its advantages over conventional wing shapes.
  22. Physics

    I posted this earlier and no one responded so I am going to try again. I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear phys
  23. Physics

    While visiting Planet Physics, you toss a rock straight up at 15 and catch it 2.4 later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 240 min . What is the mass of Planet Physics? Express your
  24. Math

    Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 take physics and mathematics and 250 take only one of the subjects.Find 1) the
  25. Urgent Needs Physics Help

    Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories
  26. Physics

    Ok so I am not so bad at physics but I find it hard to understand formular like how to use this one mu *m*g= I know its somewhat related to friction but what is the mu stand for and g too IF someone could plzz translate these symbols to words I would
  27. URGENT Needs Physics Help

    Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories
  28. Physics-bobpursleyplease check

    This is the question I posted about two hours ago and I worked it out two ways-could you scroll down and check it, please?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,
  29. Physics-bobpursley please check

    This is the question I posted about two hours ago and I worked it out two ways-could you scroll down and check it, please?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,
  30. venn diagram

    venn diagram solving for 3 students likes geography physics science 75 likes only one subject 65 likes exactly two 15 like all three.1)how many students in a class 2)how many students like atleast one 3)how many students like only physics 4)how many
  31. Physics

    Research on the physics of living systems. Give two examples to show how physics helps to understand the concepts of evolution, biological systems of living organisms.
  32. Physics

    Research on the physics of living systems.Give two examples to show how physics helps to understand the concepts of evolution, biological systems of living organisms.
  33. Pure math,Life science,Geography and History

    Hi I'm grade10 and I was wondering if you's could help Me to get a career examples after matric because my school took away our Physics for unknown reasons so insted of Physics or another subject that would help you in the future they gave us History
  34. Physics

    A physics student stands on the edge of a cliff 2x meters. He throws his physics homework straight up in the air. Derive an expression to calculate the time taken by the homework to come back to the student.
  35. physics

    research on the physics of living systems.give to examples to show how physics help to understand the concepts of evolution,biological systems of living organisms.
  36. Math

    Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 takes physics and mathematics and 250 take only one of the subjects.Find 1) the
  37. DrBob222 please check

    DrBob222 please check my physics question posted at 8:55pm. The subject is drwl please check. I am not getting a response from drwl. Thanks! Mary DrWLS is not on right now. My physics is too poor to trust my answers. Bob Pursley is smarter than I am; he
  38. AP Physics 1

    This isnt exactly a hw question... but for anyone who knows: Im considering to take AP Physics next year as a challenge. I'm going to be taking pre-calc next year ( i already took my algebras) and im not too great in math but im good at memorizing and
  39. physics

    i need a topic for an eei (extended experimental investigation). i want a simple experiment that i can do. however, i need one that has a lot of physics behind it, and has a lot of information on the net about it. it can be on any topic within physics. if
  40. physics

    A physics student drops a physics text book into a mine shaft 250m deep,where the average mine temperature is 5degrees celsius.Show that the sound of the book striking the bottom is heard after 7.82seconds
  41. Business mathematics

    In an examination of certain number of candidates 18 passed mathematics, 17 passed physics, 11 passed both mathematics and physics, 1 failed both subjects. Find the number of candidates that passed. i. Mathematics only. ii. Physics only. iii. Total number
  42. Mathematics

    A survey of 100 students produced the following statics: 32 study mathematics, 20 study physics, 45 study Biology, 15 study mathematics and biology, 7 study mathematics and physics, 10 study physics and Biology, 30 do not study any of the three subjects 1,
  43. Chem/Physics

    1. How much work is necessary to accelerate a bullet having a mass of 5.0 g to a velocity of 1000. m/sec? This was on a chemistry problem set of mine, and it seems like a very physics-oriented question [I have not taken physics.] Could someone point me in
  44. Science

    Which branches of science do pharmacists need knowledge of to do their job properly? A.physics and chemistry B.biology and chemistry C.chemistry and geology D.physics and computer science Is the answer B?
  45. Physics

    For those of you with Physics questions, here are some tutorials that may help you: http://search.yahoo.com/search?fr=mcafee&p=Physics+tutorials Sra
  46. physics

    A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone
  47. Maths

    In a survey of 200 students of a school, it was found that 60% study mathematics, 45% study physics, 35% study chemistry, 20% study mathematics and physics, 15% study physics and chemistry, 25% study chemistry and mathematics and 10% none of these
  48. math

    Suppose there are 70 students in an examination with the students writing at least one of the subjects; Chemistry, Physics and Biology. Thirty(30) students offer Physics, 33 offer Chemistry and 40 offer biology, 10 students offer both Physics and
  49. Physics Help me Someone plz

    If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it? t= light years I got 2.4x10^8 light years but its wrong please help me out...thank you Physics Plz help me - Anon, Monday, May 6, 2013 at 9:17pm 5.98x10^6
  50. Physics

    So... The task is to evaluate the design of three types of car tires, and explain how each type differs to maximize performance. Physics terminology is to be included in our report. -------- I just need a starting point. What types of tires do you
  51. physics

    1.Distinguish between atomic physics and nuclear physics? 2.Briefly describe the Bohr model of the atom. What is Bohr’s key idea (involving matter waves) that makes the Bohr atom have discrete energy levels? I really didn't understand what they were
  52. Physics-Please check calculations

    I posted this earler and you gave me help, could you please check what I did? Thank you If a car drives off a 40 m high cliff with a horizontal velocity of 15 m/s, how far from the base of the cliff will the car strike the ground? Could someone help with
  53. statistics

    in a certain college 33% of the physics majors belong to ethnic minorities. if 8 students are selected at random from the physics majors what is the probability that more than 5 belong to an ethnic minority
  54. SCIENCE ASAP

    Hey just wanna to check this out that I'm pretty studying on Physics and Biology. Process Information is mos definitely I'm succeeding aight and it ain't that hard n'mean? I still all the stuff I gotta need to study. Send me a few ?'s on Process
  55. Science check my answer please

    In a famous letter to Robert Hooke, Isaac Newton wrote, "If I have seen further it is only by standing on the shoulders of giants." Which of the following does this quote best demonstrate? (Points : 1) the cumulative nature of modern knowledge of physics
  56. Probability

    You have a blind date with a physics major. From your social networking experience, you know that 10% of physics majors are immature, 50% are narcissistic, and 90% are boring. Assume that immaturity, narcissism, and boringness are independent events.
  57. Math

    At small town high there are 100 students,each of whom takes atleast one of Biology,Chemistry,or physics.There are 50 student in Biology,60 in chemistry,and 70 in Physics.If 24 students are enrolled in exactly two of the classes,how many students are in
  58. Math

    in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject of if 100 students were surveyed
  59. Math

    in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject if 100 students were surveyed
  60. physics

    Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 6-kg book. If your mass is 54 kg and you throw the book at 14 m/s, how fast do you then slide across the ice? (Assume the absence of
  61. Physics

    Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 9-kg book. If your mass is 45 kg and you throw the book at 10 m/s, how fast do you then slide across the ice? (Assume the absence of
  62. Statistics (elementary probability theory)

    In an examination 60 candidates offer maths, 80 offer english,and 50 offer physics, if 20 offer maths & english, 15 offer english & physics, 25 offer math & physics and 10 offer all the 3. How many students entered to the examination ?
  63. Physics 102

    THIS IS A QUESTION IN MY PHYSICS BOOK & I REALLY REALLY NEED HELP. I AM 48YRS OF AGE JUST DECIDED TO GO BACK TO SCHOOL AND HONESTLY KNOW NOTHING ABOUT PHYSICS. Two facts: A freely falling object at Earth’s surface drops vertically 5 m in 1 s. Earth’s
  64. physics

    a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm. what is the density of the physics book if it weighs 17N? the acceleration of gravity is 9.81m/s^2. answer in units of kg/m^3 i know density=mass/volume but it says to answer
  65. maths

    1. A die labelled A has one face marked 1, one face marked 2 and the other four faces marked 3. A die labelled B has four faces marked 2 and two faces marked 3. The dice A and B are thrown. Calculate the probability is 5. I got 18/36 2. There are 12 boys
  66. PHYSICS, still cant get it

    A man (weighing 915 N) stands on a long railroad flatcar (weighing 2805 N) as it rolls at 18.0 m/s in the positive direction of an x axis, with negligible friction. Then the man runs along the flatcar in the negative x direction at 40.00 m/s relative to
  67. Physics

    You are on the roof of the physics building, 46 m above the ground. Your physics professor, who is 1.80 m tall, is walking alongside the building at a constant speed of 1.20 m/s. If you wish to drop an egg on your professor’s head, where should the
  68. Physics

    You want to push a 66-kg box up a 30° ramp. The coefficient of kinetic friction between the ramp and the box is 0.35. With what magnitude force parallel to the ramp should you push on the box so that it moves up the ramp at a constant speed? N Physics -
  69. Math

    There are 100 students in a class. It is found that 60 students study Mathematics, 45 students study Physics and 35 students study Chemistry. Moreover, 20 students study Mathematics and Physics, 15 students study Physics and Chemistry, 25 students study
  70. Physics

    how are the fundamental laws and principles of physics related to the complexity that we see in nature? 2) How do the laws of physics apply to other sciences such ad biology, chemistry, and earth science? Give a specific example to show the connection - is
  71. physics-bobpursley/drwls

    Good morning! I just wanted to say thank you for all of your help. This was my first time taking Physics ever and it was like a foreign language to me. For a long time during this semester I had an "F" average, because of you both I have passed my physics
  72. ma

    In a class of 100 students, 40 failed in Math, 30 failed in Physics, 60 failed in Chemistry. 35 passed in both Math and Physics. 20 passed in Physics and Chemistry. 25 passed in Math and Chemistry. Each student passed in at least one subject. How many
  73. Physics

    Sense I'm not taking Physics C but Physics B I guess I'm not expected to find the value of the drag force sense that would involve soem calculus. I just have a question though. If we performed a lab outside wouldn't the drag force vary from time to time
  74. Writeacher

    Writeacher, Do you specialize in any particular subject? I've seen you answer to math, english, physics, etc. I'm just curious. I don't believe I've answered to any physics questions -- poor student to depend on me for that!! Mostly I respond to English
  75. algebra

    in a class of 30 students , there are 22 students who study chemistry but not physics, 4 who study physics but not chemistry and who study neighter chemistry nor physics. how many students in the class study physics
  76. Math

    At Small Town High there are 100 students, each of whom takes at least one of biology, chemistry, or physics. There are 50 students in biology, 60 in chemistry, and 70 in physics. If 24 students are enrolled in exactly two of these classes, how many
  77. Probability

    48% of the students in the school are female and the probability of taking of physics is independent of the gender of the student, what is the probability that a student chosen at random is both a female and taking physics?
  78. Science

    List all of the things that are physical property. You will find some listed here. http://nobel.scas.bcit.ca/chem0010/unit2/2.2_properties_physical.htm There are very many others, but they would require a lot of effort to explain what they mean. Isn't
  79. Math

    A particular Chemistry book costs $6 less than a particular Physics book. Two such Chemistry books and three such Physics books cost a total of $123. Construct two simultaneous equations and solve them using the substitution method. Show your working. I
  80. physics

    Posted by michelle quendarsv on Saturday, November 20, 2010 at 5:26pm. Posted by michelle quendarsv on Saturday, November 20, 2010 at 3:55pm. if it takes 726 watts of power to move a mass 36 meters in 14 seeconds, what is the mass? i really need like, step
  81. physics3

    home / study / science / physics / physics questions and answers / Ed And Annie Are Ice Skating. Ed (55 Kg) And Annie (40kg) Both Wearing Skates Face Each Other ... Your question has been answered Let us know if you got a helpful answer. Rate this answer
  82. AP Physics

    A Physics book has a height of 26 cm, a width of 22 cm, and a thickness of 4 cm. Find the pressure that the Physics book exerts on a desktop when the book lies face up and when the book is balanced on its spine. I know that P=F/A, I am just not sure which
  83. just wondering...

    what is harder, chemistry or physics? because i've been struggling all year in chemistry and i'm taking physics next year... i have a solid a in alg.2 though... oh yeah, and i want to be a physical therapist. so if i'm not to good in chemistry can i still
  84. physics

    Posted by sandhu on Tuesday, November 30, 2010 at 1:17am. A T is made of two identical 740 g thin solid rods. The moment of inertia of the T about an axis perpendicular to the screen through point at one end of a rod is determined experimentally to be 0.68
  85. As physics

    Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Calculate the number of free electrons
  86. math

    500 students sat for an examination in mathematics,physics and chemistry.45 passed all the three subject,60 passed mathematics and chemistry,70 passed physics and chemistry,50 passed mathematics and chemistry,10 passed in mathematics,80 passed in chemistry
  87. Physics Plans Project (11th Grade)

    I'm doing a physics project where I have to find plans for a device and then build it and type a report demonstrating the physics behind it. However, the materials can't cost more than $75 total. I'm having trouble finding any plans, especially ones that
  88. RE: Physics

    If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface? Physics - Damon, Saturday, February 15, 2014 at
  89. Physics

    A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000
  90. physics

    A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000
  91. Physics

    A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000
  92. physics

    The engines of a 1.20 x 10^5 N rocket exert an upward thrust of 2.00 x 10^5 N for 1.50 minutes upon lift off. What is the impulse exerted on the rocket? What is the velocity of the rocket at the end of the 1.50 minute period? physics - bobpursley,
  93. Physics: Non uniform motion

    I have not done much physics before: I don't get how to do questions that deal with what happened in a particular SECOND So questions like: - A stone which is dropped from rest into a mine shaft falls a distance of 24.5 m DURING THE LAST SECOND. Find depth
  94. Physics

    ohn and Jack are planning to do a physics lab related to vectors. Starting at the door of their physics classroom, they walk 2.0 meters, south. They make a right hand turn and walk 16.0 meters, west. They turn right again and walk 24.0 meters, north. They
  95. math

    In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also,4 of them offer physics and chemistry but not biology,3 offer physic and biology but not chemistry,6 offer biology and chemistry but not physics if 13 of them
  96. Physics

    if it takes 726 watts of power to move a mass 36 meters in 14 seeconds, what is the mass? i really need like, step by step help please? asap. thanks, michelle . physics - bobpursley, Saturday, November 20, 2010 at 4:06pm power= work/time=
  97. Physics Drwls

    I was wanting help with my physics post and since no one replied I thought there wasn't a physics tutor on Jiskha, but came back on today cause I really need to get a hang of my physics stuff and luckily seen you Drwls. A bike rider approachea a hill with
  98. Physics to drwls question to answer given earlier

    A 0.700-kg ball is on the end of a rope that is 0.90 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to the vertical
  99. physics

    Posted by sandhu on Tuesday, November 30, 2010 at 7:38pm. Posted by sandhu on Tuesday, November 30, 2010 at 1:17am. A T is made of two identical 740 g thin solid rods. The moment of inertia of the T about an axis perpendicular to the screen through point
  100. physics

    Posted by sandhu on Sunday, November 28, 2010 at 10:03pm. A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by an elastic band (k=998 lb/ft) that has an initial stretch of 5.6 feet. What is the maximum distance

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