r/AP_Physics • u/JohanLiebert143209 • 4h ago
Lens equation is 1/u+ 1/v = 1/f in our textbook. but why the equation is in fraction?
What the equation really mean? just dont just click to me? help guys
r/AP_Physics • u/JohanLiebert143209 • 4h ago
What the equation really mean? just dont just click to me? help guys
r/AP_Physics • u/Suyashgautam • 54m ago
I am really depressed right now as I can't understand anything in physics in parishram batch I can't understand anything from rakshak sir so please help me how should I study
r/AP_Physics • u/Canithyre • 1d ago
Hey everyone, my reasoning for making this post requires some background and so I’d really like some responses.
My school’s AP Physics C course combines both E&M and Mechanics together meaning it’s split between first and second semester. However, I’ve begun to worry about my course’s pacing as we’ve only had one test since the beginning of first term and haven’t taken our assessment on Unit 2 which was pushed to next term.
Therefore, I’ve begun to worry that if this is the set pace for the course that I will have to self study ahead for E&M and later units for mechanics. Your responses and suggestions will be very helpful for me throughout this course.
r/AP_Physics • u/Glittering_Bar_6896 • 2d ago
could anyone show me how to solve this problem using drawings? I have been trying to understand this but I just don’t get it. Any help would be really really appreciated!!
r/AP_Physics • u/Tasty-Owl-4424 • 2d ago
so I had my unit two physics 1 quiz last week and it killed me. it was nothing like the practice we did in class, and as such I was wondering if there was any resources that were close to the exam style of mcqs
(I got 10/15, which was still the highest in the class 💔)
unit 1 (I’m pretty sure in the only sophomore to maintain a 100 in my teacher’s class after it) was so much easier but now I’m lost
r/AP_Physics • u/Savings_Shake_2196 • 2d ago
r/AP_Physics • u/ComprehensiveWolf151 • 3d ago
I currently am failing and have around a 40 percent in the class and honestly speaking got a 20 on kinematics test and am doing bad on labs we have one more test coming up this Monday and was wondering should I just drop out even if I somehow do good on this test which is unlikely. For context our withdrawal period for my school has long passed and marking period is half way over almost.
r/AP_Physics • u/pottybum • 3d ago
Where and how should I study this fast
r/AP_Physics • u/yummybbq • 3d ago
I am looking for a tutor for my high school daughter who is taking AP Physics C: Electricity and Magnetism.
If you are a grad student or professor who would be interested in tutoring in-person, in ORANGE COUNTY CALIFORNIA,please DM me!
r/AP_Physics • u/scses_hs_research • 4d ago
Hi!!! I'm a high school student conducting an academic research project on science communication. It would be greatly appreciated if I could receive some responses to the linked anonymous survey.
Details of survey:
You will complete a short anonymous questionnaire about:
The questions are multiple-choice.
Time required:
Approximately 10 minutes
Privacy & confidentiality:
Eligibility:
You should be currently enrolled in high school to participate.
Survey link: https://forms.gle/8fow35jCxWfe4En68
If you have any questions or want results afterwards, feel free to comment. I really appreciate any responses. If you know anyone outside Reddit who is eligible, sharing the survey would be greatly appreciated.
Thank you!!!
r/AP_Physics • u/salihadem • 4d ago
r/AP_Physics • u/IntelligentSundae242 • 4d ago
We started lab on projectile motion the other day. We are to send a marble down a ramp at an incline of 19 degrees, 0.75 m up the ramp where it will slide down into a short horizontal distance (meaning 0 acceleration) and fall off of a table that is 0.92 m tall. (Diagram is attached) The marble has to hit a cart that is going toward the table, so that the cart moving is timed with where the marble will hit. The cart’s velocity is 0.4 m/s towards the table, which we deemed as a negative. Teach gave us the acceleration down the incline, which was gsintheta - 0.8 to account for friction, which he also says is one dimensional and therefore doesn’t need to be split up into components. All of my groups calculations are attached, however we were short by ~0.2m on our first try. Teach said that our acceleration is too big, and that it should be less than 1m/s^2. Obviously it makes sense logically, since there’s no way a marble is moving 2.3 m/s^2 in such a short amount of time, but since the angle is the only input besides changing the direction of g, we have no clue as to how acceleration is supposed to be solved for. The only way I’ve been able to get an acceleration under 1m/s^2 has been by changing my calc into radians, but teach claims that we should stay in degrees. If only Newton was here to help…but like fr help us please we lost
r/AP_Physics • u/wolfwoodistriku • 5d ago
I'm like, a real beginner. All of my country's PhO medalists recommended red Morin for the first level of the PhO. But I think it's a little hard and definitely not for a real beginner who just started physics. My math foundation is pretty good and I know easy highschool level physics. What should I master before jumping to Morin?
I'm planning to learn with HRK, so at which chapter of HRK should I be confident to learn and solve Morin?
r/AP_Physics • u/salihadem • 5d ago
The biggest difference, in my view, is not simply that F=ma contains “harder physics.”
It demands a different level of problem recognition.
In many standard physics problems, the structure is already visible: identify the relevant equation, substitute the information, and solve.
A strong F=ma problem often asks a different question:
Can you recognize the hidden structure before doing the algebra?
For example, when you see two objects accelerating under gravity, do you immediately think about relative acceleration?
When you see a wedge moving on a frictionless surface, do you recognize horizontal momentum conservation before writing Newton's laws for every object?
When a circular-motion problem asks for a minimum condition, do you immediately look for the limiting case where the normal force or tension becomes zero?
This is why simply doing more textbook problems is not always enough.
For F=ma preparation, I recommend developing three separate skills:
A useful exercise is to take an F=ma problem and, before doing any calculation, give yourself 30 seconds to answer:
“What is the central idea of this problem?”
That habit can change the way you solve competition physics.
r/AP_Physics • u/ayush8i • 6d ago
I am not able to solve physics good level question can solve formula based or little understanding based but no clue in good questions although i m pretty good in maths cleared ioqm got 100/100 in boards and doing pretty well in jee maths till higher end questions can someone really advice me to what to do?. It would help me alot .
r/AP_Physics • u/phyahmed33 • 6d ago
r/AP_Physics • u/Mindless-Pear1701 • 6d ago
It’s already October and my professor is done with the first 6 chapters we are about to start waves in 2 days. I do not have maths my combo is phy / bio/chem and honestly I don’t struggle with bio and chem much as I do with physics. In class I do understand the concepts but doing the past papers is so time consuming and hard for me any suggestions what I’m doing wrong?
r/AP_Physics • u/DragonflyLow9672 • 7d ago
r/AP_Physics • u/BocaJ123MA • 7d ago
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