An interesting problem (with solution) involving the angles of incidence and reflection of a rotating disk when colliding with a surface (inspired by observing hover footballs!). Note: It was observed that any velocity above v at that angle theta caused the disk to slip (I forgot to mention this important line - this is what allows us to use the maximum static friction force in our calculation.)
Md Faiyaz Siddiquee Taaroop
Involves determining the static friction coefficient of vertical surfaces (with solution).
Md Faiyaz Siddiquee Taaroop
Crafted from fond childhood memories (no solutions yet). [TYPE: COMPUTER PROBLEM]
Md Faiyaz Siddiquee Taaroop
Dynamics of a coin toss (no solutions yet). [TYPE: COMPUTER PROBLEM]
Md Faiyaz Siddiquee Taaroop
Quite elementary; only answer is given.
Md Faiyaz Siddiquee Taaroop
Quite an interesting problem! (Detailed solution provided - leverages the Fundamental Theorem of Calculus in a satisfying way.)
Md Faiyaz Siddiquee Taaroop
A geometric derivation of the formula for centripetal force, and discussion on the velocity required to keep bodies in orbit around a larger body. (Okay, I was very young at that time and my setup was clunky; sorry if it got you cringing!)
Edit: See the note below the video for a much more concise derivation!
Md Faiyaz Siddiquee Taaroop
The 2024 Nobel Prize in Physics was awarded "for experimental methods that generate attosecond pulses of light for the study of electron dynamics in matter”. This video covers the intuition, background, and mechanism behind generating these attosecond pulses.
Md Faiyaz Siddiquee Taaroop
I explore the setup and necessary quantifications to experimentally determine the dependence of distance from (the center of) a bar magnet on the magnetic force exerted by it. As it turns out, the force is not governed by the familiar inverse square law! The results imply that the force varies with the inverse fourth power of the distance.
Md Faiyaz Siddiquee Taaroop
This note is an interesting reconsideration of projectile motion to develop a vectorial interpretation - which is useful in many olympiad physics problems. I solved Kevin Zhou's Preliminary Problem 3b (Mechanics) at the end to demonstrate the power of the interpretation.
Md Faiyaz Siddiquee Taaroop
I performed the rebound experiment (mentioned at the beginning) a year ago to model the energy loss when an elastic ball collides with a rigid surface. Recently, the idea of forming an experiment to find g, exploiting the linear relationship of the graph, came to my mind. Hope you find it as cool as I do!
Md Faiyaz Siddiquee Taaroop
Deals with modeling an egg and finding the point of stability when the egg is placed on a horizontal surface. I encountered the problem in the Extension Camp Test of Bangladesh Physics Olympiad.
Md Faiyaz Siddiquee Taaroop
This was the theoretical problem carrying the most points in the 24th Asian Physics Olympiad. The approach I used at the time of the contest was a roundabout way of arriving at the same result (I got ~2.8/3 for that; I didn't perform algebraic simplification). The one shown here is the standard way (and a neat idea, too!).
Md Faiyaz Siddiquee Taaroop
A true gem! The joy of independently discovering this (quite a long time ago) was truly indescribable in words. The same pair of right-angled triangles pops up in the proof using Huygen's Principle, but I think this ripple tank setup is really pretty.
Md Faiyaz Siddiquee Taaroop
A classic problem I encountered in my training camp for the Asian Physics Olympiad. I decided to revisit it again recently after being exasperated by mindless board exam grinding and deciding to do something actually thought-provoking.
Md Faiyaz Siddiquee Taaroop
I present a rigorous derivation of the idea of the instantaneous center of rotation, pertaining to objects rolling without slipping. Surprisingly, I haven't come across any similar derivations in physics textbooks I have read, but the why behind assuming such a point seemed critical enough to me, so I decided to write this note. I also include a brief resolution to the Archimedes' Wheel Paradox at the end.