Ib physics Definition and 41 Threads

I have researched some topics, but I am not sure what to do. The topics that I found are: Topic: The Role of Mirrors in Space Telescopes Research Question: How do the shape and coating of mirrors affect their focal properties and light reflection efficiency? Topic: The efficiency of optical...

Hey, I'm a first year IB student (G11) starting my extended essay. It's a 4000 word essay where you explore something outside the IB syllabus, and basically write a research project on it. I'm struggling thinking of a topic for my research question. Right now I've got the research question...

I did my Physics IA on comparing the maximum height reached by a projectile (shot by a spring) and the compression of that spring. In my experiment I found the maximum height reached by a metal ball shot directly upwards in comparison to the amount the spring was compressed. To test the...

TL;DR Summary: I had a physics EE idea for finding the age of Andromeda using data from the university our school is linked with, however this turned out to be near impossible, therefore I wanted to find more doable things. Need Ideas for Physics EE

TL;DR Summary: hi everyone! i am currently a junior in high school and I am writing a 3000-4000 word research paper on star life cycle and its role in the creation of celestial bodies. i have encountered an issue where I do not meet the word requirement because i am not exactly making a proper...

[Mentor Note -- thread moved to the schoolwork forums] Hi. So I'm a Physics HL student in IB and I'm designing a circuit for my Physics IA. (think of it as a lab/project if you're not familiar with IB) I'm required to have an independent variable of 7 dif. values and a dependant variable. For...

I'm an IB student taking HL physics, I aspire to taken engineering in university.

Variables: Dependent: Vibrational frequency of violin string (Measured using mobile tuning app) Independent: Temperature in which string is plucked (Measured using infrared thermometer) Controlled: Violin String, Tension of violin string, Length of violin string, Method of plucking...

These are a few topics I had shortlisted, please advise if anyone of them is EE worthy: - To what extent does the rotational velocity of a ping-pong ball affect its horizontal travel distance? -How is the drop time of a parachute affected by variables such as mass, canopy area, size of apex...

Hi. I am in the IB and am looking at doing a physics IA (internal assessment) on Young's modulus on an elastic material. I was thinking of doing it on the the stretchy snakes like the candy. What would I need to cover in this?

I've decided to focus my essay on quantum locking: including superconductors (YBCO), the Meissner Effect. I have access to the materials needed to experiment with this topic (materials from quantumlevitation.com). Could anyone help me formulate an appropriate research question for my Extended...

In about 4 days I have to hand in my final draft for my Physics Internal Assesment and require help in linearising a graph. My research question is : "How do the different angles of incidences (from the vertical) of a roll-on deodorant bottle’s ball that rolls a distance of 20cm on parafilm...

Homework Statement A bus is traveling at a constant speed of 6.2ms-1 along a section of road that is inclined at an angle of 6.0degrees to the horizontal. a) the total output power of the engine of the bus is 70kW and the efficiency of the engine is 35%. calculate the power to the engine b)...

Homework Statement I am working on a math investigation which involves the physics of the flute and I can't move on unless I find an equation for the change in required velocity of the air stream to produce different frequencies. I have a feeling I might have to abandon this idea and do...

Homework Statement Hi! A battery of emf 12 V and negligible internal resistance is connected to a resistor of constant resistance 6 Ω, an ideal ammeter and an ideal voltmeter. The voltmeter and ammeter are in series with the cell and the resistor. What is the reading on each? Homework...

Hi, guys, this is my first time on PF! My IA is about bungee jumping where I increase the mass and look at the efficiency of energy at the lowest point of the jump. My question is: How do I find the spring constant k for an elastic cord? I need it so I can plug it into the elastic potential...

(Mentor note) This thread was moved from another forum, hence no homework template. How do you deduce initial acceleration just from B, L, M, and I? (Telsa, length, mass, and current)

Homework Statement A bicycle wheel has a radius of 0.5 m. When it spins, it completes one full turn in 1.6 s. Two identical rocks are stuck on the wheel at a radius of 0.4 m and 0.2 m. What is the ratio of the force on the outer rock to that of the inner rock? Homework Equations F=ma F=mw^2r F=...

I am not sure if I am at the right place and I hope that I am... For my EE I want to do an investigation on something related to pool table and games so it will definitely be related to momentum. And one of the common techniques in pool games is that the player aims the ball on the rail of the...

I'm starting the extended essay and have decided to explore more on finding the viscosity of Newtonian liquids. However I was told by my supervisor that this topic is too broad, and that I should come up with a more specific topic/research question— one that possibly relates to a real life...

Homework Statement Homework Equations K.E = p^2/m The Attempt at a Solution [/B]

Hi guys, I am currently doing HL IB Physics and i chose to do my Extended Essay on physics as well but i am having trouble to figure out my topic and what my question can be. I was thinking of something around the area of stability in structures or renewable energy. But i have no idea what...

Hi there, I crossed the path of this website, and definitely thought I should hang out there and meet like-minded girls and guys who enjoy physical sciences. My name is Edouard Reny, I am a full time private Physics Tutor. My goal in life is to put back on the right path students that get lost...

I'm a junior in high school and currently in the IB Diploma Program. I'm getting ready to start working on my SL Physics Internal Assessment. I was wondering if anyone has any guidance on how complex a topic has to be to score well. I was thinking of testing how the mass, velocity, and...

Homework Statement I'm having trouble finding the coefficient of kinetic friction for a lab using spring scales. Mass=.411kg Normal Force=4.0278 Average Pull Force=.46N Frictional Force= -.46NHomework Equations μ k = Fk / N. The Attempt at a Solution μ k = -.46N/4.0278 μ k = -.1142

Homework Statement For my physics IA, I am finding the specific heat capacity of water-solute mixtures and finding how the specific heat differs from that of just water alone. I have the mass of the mixture, for example baking soda and water was 914.75g and changed 175.8 degrees Fahrenheit in...

Well, I'm just finishing my first year with the IB program and we're starting our extended essay (a 4000 words investigation). I am posting here because i need help with the topic (I've chosen to do a Physics EE). So far I've came up with windmills and to determine factors that affect its...

I am a current High School senior intending on majoring in Physics in college. Last year I took IB Physics SL and got a 4 on the test but kept my head above water on all the unit tests. I'm currently taking AP Calculus BC and am doing very well. I have exhausted all other science classes in my...

I have been trying to come up with a good question for my Ib extended essay which is a 4000 words essay about any physics topic of my choice. However, with this topic I need to come up with an experiment to further investigate this topic and write up an analysis and conclusion. I am really...

Homework Statement So I've been trying to find the specific heat capacity of the potato for a while and keep coming up with an outrageous number (over 700,000 J/kgC) Here's what I've found mass of potato = 0.15kg initial T of potato = 18 degrees C final T of potato = 83 degrees C (is this not...

Hi. I decided a month or so ago, that I am going to do my physics extended essay on the topic of terminal velocity. However, at the moment I am not sure what experiment I can do. At the beginning I thought I would do an experiment where I would drop bodies made of cardboard with different...

Hi Guys, I am currently a sophomore and I am having some trouble choosing between IB Physics, IB Chemistry, and IB Biology. I can select two of these courses for next year but I can't seem to make a decision. All of them will be helpful for the fields I am thinking of going into, and they all...

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 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...

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

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...

Basically the extended essay is a piece of independent research done during the course of IB. I'm planning to do a physics EE, but now it's mid April and I still failed to find a simple yet specific topic to do reasearch on. My last few ideas were too complex or not specific enough. My...

IB physics extended essay HELP! tis the season to start stressing over extended essay and i need help. i am planning to investigate how different angles of airplane flaps affect the lift of the plane when the plane is taking off or landing (because that's when the flaps come out)- you know how...

Hi, I'm in IB physics and I'm having a little trouble since the teacher would rather play computer games than teach us (the book isn't great either). Right now we're working on force and I was wondering if anyone could clarify a few things for me please.I'll just work through some problems and...

Hello all. Does anyone know any good sites which outline physics principals and equations? I used to use [PLAIN]www.physics.uq.edu.au:8001/ph128/contents.html,[/URL] but it seems that it has been shut down. I really liked the site, since it was comprehensive, and had a huge amount of...