Ib Definition and 115 Threads

Homework Statement Calculate the acceleration of a ball rolling down an inclined plane and also note the error. I am going to solve it myself, so I will just give one sample. Distance covered by ball(error : +- 0.05 cm) .95m Time taken(error : +- 0.01 s) 1.19s Acceleration(with error)...

Homework Statement The sum S n of the first n terms of a geometric sequence whose nth term is u n is given by 7n-an / 7n Where a > 0 Find an expression for un Find the first term and the common ratio of the sequence Consider the sum to infinity of the sequence Determine...

Homework Statement Determine ib and ia Ix = 0.4 mA, R1 = 15k ohm, R2 = 19k ohm, R3 = 23k ohm, R4 = 15k ohm Homework Equations V=IR The Attempt at a Solution I am assuming there are 4 unknown currents in this diagram. Ix splits into ib and i1. 0.4mA - ib - i1 = 0 i1 - i2 =...

Hi. I'm supposed to write an extended essay in physics (I'm currently studying in the last year of IB diploma program). I haven't chosen any research question or a topic for my essay. I would appreciate if you could give me some ideas. The areas of physics in which I like to do my EE are waves...

Hi. I'm supposed to write an extended essay in physics (I'm currently studying in the last year of IB). I haven't chosen any research question or a topic for my essay. I would appreciate if you could give me some ideas. I searched about it but all the ideas I found are so common and everybody...

Homework Statement HI! IB physics exams coming up and I'm having real trouble with potentiometers. The two questions I'm posing are in the attachment along with a picture of the circuit they include. The Attempt at a Solution What I'm having trouble with is the 2nd question, What is the...

Homework Statement When 3x5 - ax + b is divided by x - 1 and x + 1 the remainders are equal. Given that a, b ε ℝ (a) the value of a; (b) the set of values of b. Homework Equations The Attempt at a Solution f(1) = f(-1) 3 - a + b = -3 + a + b 6 = 2a a = 3 ... [1] Substitute a -3 into 3 - a +...

Homework Statement For my IB extended essay I want to determine the quantity of salt in comercial popcorns, and analyze if this amount of salt consumption is bad for one's health. I've made my investigation, and read that the levels of salt in these popcorns are quite high, and in the long...

Does anyone here know of some interesting problems in acoustics? I'm writing an extended essay for the IB Diploma (I'm sure you've been annoyed by a few others asking similar questions) and am at a bit of a loss right now. The topics I've looked at so far have either been overresearched to the...

Homework Statement A spring (spring constant=2500N/m) is fixed vertically to the floor. A 10-kg ball is placed on the spring, pushed down 0.5m, and released. How high does the ball fly above its release position?Homework Equations x=Xo cos wt w= √(k/m) T=2pi√(m/k) The Attempt at a Solution...

I'm a Year 12 (UK) Physics student, currently in the first year of my IB course. I have been assigned some Easter revision work, and just wondered if anyone who has experience of IB Physics has any recommendations as to which books they have used in the past. I have been given two hefty...

Hello. I'm a high school freshman who's in need of some advice from those who have gone through AP or IB. In your opinion, which is more beneficial and looks better on a high school transcript for universities such as Harvard, Stanford, or UC Berkeley? I'm really unsure which pathway to...

I came up with this doubt last week. Consider a NPN transistor. Usually we bias it so that current enters through the collector and base, and leaves through the emitter, right? That allows the base to form some holes, which recombine with the electrons emitted by the emissor and that way the...

I'm new here but I have seen other posts about Physics EE here, so I’m hoping this is the right place. The Extended essay needs to be around 4000 words long and needs to include an experiment. My original idea was to repeat one of Galileo’s experiments and see how accurate it was in comparison...

Hi, guys. I'm doing an extended essay in physics for the IB diploma program. The extended essay is a 4000 word research project on a topic of your choice, and I have opted to do mine in physics. I'm having a lot of trouble narrowing down a suitable research question, and at this point, I have...

I have my IB extended essay and i want to do it in physics, now i know how hard it is to get an A on it but I am ready to risk it, my major problem is that its pretty hard to think of a suitable research question. I was thinking of doing it on the effect of temperature on the coefficient of...

Hello guys, I will soon be stepping into the IB1 program and before I start school in late august, I wish to properly* review my maths (including but not limited to algebra, geometry, functions, graphs, etc). * I really need to strengthen my mathematical foundation. I'm looking forward to...

I tried to find an adequate one, but all of my attempts is beyond the reach of my ability as a high school student. I am interested in Number Theory, Set Theory, or Logic. Could you suggest me one?

it is estimated 2.3% of the cherry tomatos fruits produced on a certain farm are considered to be small and cannot be sold for commercial purposes. The farmers have to separate such fruits and use them for domestic consumption instead. a) 12 tomatoes are randomly selected from the produce...

Hi, currently I am a sophomore in high school. I've decided to join my schools IB Program and go for the full diploma. But I'm unsure whether or not I can get the Diploma because of the foreign language. I also have some problems with the IB science my school offers. I attend John F. Kennedy...

Hello! I need some guidance regarding the topic of my essay. The EE is a 4000 word essay that has to have a specific, very narrow topic, relating to a specific subject. I've made up my mind on physics as my subject of choice, but not on the topic. After the IB course I'm looking to do...

Please visit http://ibphysicshelp.blogspot.com/" for hep regarding concepts in physics

IB ("International Boondoggle") Yesterday, I learned that my school is letting go of the IB program. As Buster Bluth would say : "Oh thank god." (for 2% of you out there) I started with a 40% dislike of the IB program in physics, which moved up to 60% when they decided that the coefficient of...

Hello! I'm currently in my junior year at an IB school. It is time to choose the subject and the topics for our extended essays, and I am thoroughly convinced of writing an experimental paper in Physics. The point is that I need help on the topics. One fundamental problem is that they ask us to...

I need some help with developing an idea for my design lab. it is a lab where we must come up iwth a problem to solve on our own. This time we are to discover something new about acids and bases. What would be a good problem? thank you!

So I want to work in IB in a few years (currently APPLYING to undergrad schools this year). I was wondering if I should focus on econ, math, finance, physics, or what? It seems to me that WS is strictly moving towards quantitative trading approaches and although IB doesn't deal with that side of...

Hey guys I need help. I'm doing a water rocket experiment for this essay. I have a single stage and a two stage rocket. My question is why two stage rockets work better as in go higher than two stage rockets. What measurments should I take? Please also consider equations i can use .like momentum...

Hello, I'm not sure if this is the right section for this. I am going to be writing an extended essay in physics for the International Baccalaureate and am in the process of trying to decide upon a topic. In an earlier post I was wandering about quantum theory general relativity and string...

Firstly I'm not entirely sure as to where this belongs on this sight, but I figured that it was related to coursework. It's coming up to that time were I have to do an extended essay on an area of interested. For those of you who don't know an extended essay is it's an essay required by the...

Hi, I am going to be starting to teach the IB Physics program in a few months so wanted to get up to speed on it. What is the level of knowledge required? I am currently teaching the physics syllabus in the irish system. The practicals that are to be done? How many should be done? is there...

I'm studying for a test. The question is: Let A be the straight line segment from -3-4i to 4+3i. Let B be the arc of the circle |z| = 5 going anti-clockwise from -3-4i to 4+3i. Let C be the arc of the circle |z| = 5 going anti-clockwise from -3-i to 4+3i. Define: IA = \int_A 1/z dz IB =...

Hello PF. I am a Greek student ,currently in the 9th grade. I love mathematics and physics and I want to study Computer engineering. I am planing to study abroad preferably in the US or UK. Recently, I discovered an option to take some IB diploma courses for the 11th and 12th grades in...

hello, I am an IB student and i am suppose to write a 4000 word own researched essay. I have decided to do it on experimental physics. In this essay our first objective into make a very specific research question on which my essay will be build. My favorite choice of topics are mechanics and...

a-) In 1954 Linus Pauling was awarded the Chemistry Nobel Prize for his work on the nature of the chemical bond. Covalent bonds are one example of intramolecular bonding. Explain the formation of the following: i) \sigma (sigma) bonding ii) \pi (pi) bonding iii) double bonds iv) triple...

Homework Statement Its a series of triangles, the data table being n-# 1-1 2-3 3-6 4-10 5-15 I need a general equation in terms of n. Homework Equations The Attempt at a Solution I can't really find anything. The solution has to be non-recursive, and i can find a bunch of...

Hi all. I am planning to do an IB extended essay on physics but unfortunately I am having some problems with coming up with a good research question that will allow me to conduct an experiment with high school equipment but involve theory and maths at the IB level. Originally, I intended to do...

This topic is not the first of its kind and for that I apologise. I am currently doing the first year of my IB program and I am in the progress of chosing my subject for the Extended Essay. I read few threads on this topic which were here earlier and apparently physics is not the easiest way how...

At the current moment, I am taking HL Math and Physics. However, is it important to take HL Math in order to apply for engineering courses or physics courses? Can I just take SL Math and HL Physics?

IB extended essay... Hello everybody.. I'm an IB Diploma student. and i need to write an extended essay to graduate from IB. This essay is supposed to be 4000 words, needs a specific topic (I'd prefer mechanics but i also need other suggestions..). and the problem is the topic! i have been...

Hi guys I'm planning to write my 4000 word extended essay based on physics, is there any topic that's easy to conduct a experiment with home-materials? I'm think something in electromagnetism would be great. please help

I am not entirely sure where to post this, please tell me if anything needs to be changed This is my first post so i'll introduce myself... My name is Joe, currently aged 17 and in year 13 in school in Kent, Uk doing the International Baccalaureate (Not sure how well known this is? Quite...

Homework Statement I'm currently attending an IB school and as a part in our curriculum we have to write a college level essay in one of our subjects. I’ve chosen to do mine in physics. However I don’t have any ideas for what my physics topic would be. The topic must be: 1. specific 2...

So my school is offering the IB (International Baccalaureate) program starting next year, and I'm wondering if anyone here has any experience with it, particularly the math. I can't ask anyone too closely affiliated with the program because they make outrageous claims (like how at their school...

So, I've browsed PF and found it to be awesome in terms of advice. I've already read some of the threads that about the IB Physics extended essay. Some basic information: Education level is Grade 11/12 I can handle quite advanced physics. The actual Extended Essay is a 4000 word in depth...

Hey everybody, I'm doing my International Baccalaureate extended essay (2500 to 4000 words) in Astrophysics, which means basically i need to come up with a research question and hypothesis, then design and procede with a lab to answer this question. Any suggestions for a research question...

I have a problem. I graduated with very hard combination from IB: natural sciences (except biology) all HLs, Economics HL, HL Math and two languages SL. In practise, I did 5 HLs but IBO allowed only 4. Yet, I cannot get to the best universities as the border is 38, despite my extra HL. My...

Hey, I'm going into my senior year of high school and am applying to some prestigious engineering schools namely berkeley =/ and am concerned about my senior year schedule. it is as follows: IB English II IB Spanish 6 IB European History II IB Physics II TOK/ ? (Maybe law or some history...

hi. i was wondering if it is possible to write a well developed essay explaining the physics behind tae kwon do (korean martial arts). think an indepth version of the show "human weapon". do you think that the research will be too simplistic/ complex? how should i narrow or broaden this topic? I...

Hi there, I'm sorry if this sounds incredibly vague, but I'm having difficulties narrowing down the research question for my Physics EE. I'm sure of the field I want to do it in: acoustics. The problem with most experiments involving applied acoustics (ideal room sound, etc.) is that, unless...

In a particular binary star system, star A has apparent brightness 8x10^(-13) and star B has apparent brightness 2x10^ (-14). a) Explain how it is possible to deduce that star A has a higher luminosity than star B. b) The surface area of star B is 10 000 times smaller than that of Star A...