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State excitation table using T flipflop of a sequence detector circuit which gives an output when it detects the sequence 0101?

State excitation table using T flipflop of a sequence detector circuit which gives an output when it detects the sequence 0101? Overlapping sequence are accepted
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Rindler's criterion and definition of linearity of the Lorentz and Poincaré transformations

In Wolfgang Rindler's "Introduction to Special Relativity", 2.ed. 1991, on p.11 his derivation of the special Lorentz transformation $ x'=f(x) $ starts with the proposition that this ...
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Kinematics constant acceleration problem

A stone is being thrown vertically upward with a speed of 12.5m/s from the edge of a cliff 75.0m high, what’s the total distance did it travel? It is a constant acceleration kinematics problem, I ...
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Water waves transverse

When waves arise from a point in water, they form circles around the point and it is referred to as a transverse wave. Is this because the x and y components are trigonometric graphs and so a graph of ...
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If our planet had more gravitational force would rain clouds still form? If so, would they form at the same elevation, higher or lower?

If the acceleration of gravity on earth were greater would rain clouds still form? If so, would they form at a lower, higher or the same elevation? My question actually is related to a curiosity about ...
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How shift the system Hamiltonian change the interaction term?

I'm reading this paper about a model of a qubit coupled to an Ising spin bath. The interaction between the system qubit and the bath is described by the Ising Hamiltonian: $$H_{I}^{\prime}=\alpha \...
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Phases of vectors

This maybe because I am missing a whole concept itself, but how can vectors have a phase? I have been studying forced oscillations and I read that when multiplying a vector with i (sqrt(-1)) , the ...
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What does the term "physical concept" mean?

I've been learning the topic of dimensions for a while now. My book stated that dimensions were used to denote the nature of a physical quantity. I tried to search more about the topic online and came ...
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A question involving Torque

I have a few questions which have all seemingly originated from the following thought: Question 1 It is known that torque is given by τ=r × F. If we use the formulae F=mdv/dt and v=ω × r, we arrive at:...
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What is the dependence of fusion power of the particle energy at fixed pressure? [closed]

The fusion reaction power depends on the reaction rate. The reaction rate depends on the concentration and the cross section.The cross section depends on the energy of the particles or temperature. ...
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Young's modulus for a string that is being applied by two unequal forces at the both ends

In space for example if we apply two forces 10,6 respectively at the end of an elastic string (10 at the right end and 6 at the other) then obviously that body will expand and accelerate. But how ...
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Rayleigh's Dissipative Function in Lagrangian Mechanics

What exactly is the derivation of Rayleigh's dissipative function? How does one know what to assume the function to be while dealing with a problem in Lagrangian mechanics? These two questions have ...
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Reference for anomalies

I'm reading the preface to the Dover edition of Itzykson and Zuber's "Quantum Field Theory". On page xix, Zuber says "... Perhaps the most dramatic obsolescence in the book is the ...
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Understanding where equation $2.3$ comes from?

I'm trying to understand this paper (equation $2.3$ specifically): Bini, D., Carini, P., & Jantzen, R. T. ($1995$). Relative observer kinematics in general relativity. Classical and Quantum ...
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If liquids are often assumed to be incompressible (i.e constant density), how is buoyancy explained?

My understanding of buoyancy is that it is caused by a difference in the density of the fluid at the bottom of an object vs the top. however, if a fluid was assumed incompressible, then there would be ...
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Speed of light problem [duplicate]

This question totally hypothetical and I'm aware we can't travel at speed of light but IF .... If you were to travel at the speed of light according to Einsteins theory of relativity you would gain ...
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Vorticity: what is the difference between $\nabla \times f$ and $\nabla \wedge f$?

I have always thought that we may obtain information about the vorticity of a vector field $f$ by considering the cross product $\nabla \times f$. In higher level texts on fluid mechanics I see that ...
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1 answer
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Independence and ambiguity of holonomic constraints

I've got a couple of questions concerning constraint equations: Suppose I've got $n$ holonomic constraint equations for a particle, how can I be sure those are all the ones there are and I didn't ...
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Does the direction of angular momentum of a table fan different for two people standing behind the fan and in front of the fan?

Does angular momentum of a table fan depend on place of observation? What is its direction of angular momentum of a fan when I stand behind a table fan? In front of a table fan? And along the same ...
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Octopus Ride how much +G force in upward Jerk?

This is a version of the Octopus Ride here: https://www.youtube.com/watch?v=8flmhIAKTvQ They call it Hip Hop but really it is what you call it in other places, I felt my left Butt Cheek or Thigh cramp ...
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How does this cyclist accelerate without expending energy?

https://youtu.be/2QBcc87yoc8 I came across this cyclist video on YouTube. Cyclist here is seen accelerating without peddling or expending energy into the system. How is it possible? Assuming air ...
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What is the information content of a single-particle system?

I'm trying to better understand how information is quantified in the case of a closed system containing a single (fundamental) particle located at position $\vec{r}$ and traveling with a velocity $\...
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Why does the amount of rope unwound from a spool correspond to its change in center of mass?

Consider a spool wound up with rope and a person pulling the spool, in such a way that the spool rolls in that direction. I know intuitively that the amount of rope unwound equals the displacement of ...
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3 answers
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Why is the complex time not considered in the solution?

In the solution, why is the the complex time not considered and real and positive time is considered? Is it because complex time does not exist or there is some other reason?
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1 vote
2 answers
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Does equations of motion work for distance and speed?

In some books,when solving to find the distance and speed of the object having motion in straight line,the three equation of motion are used.so my question is whether these equation of motion (i.e $v=...
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2 votes
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Shape of fastest spinning rod

A one-meter steel rod of variable thickness is attached at one end to a spinning hub. The cross-sectional area of the rod is a function $f(x)$ of the distance $x$ in meters from the hub, x ranging ...
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How can I actually get to the AKLT state from a product state in finite depth?

I'm currently learning about symmetry-protected topological phases in one dimension. The ground state of the AKLT model provides one such example. In particular, the AKLT state for any length $L$ ...
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Would force due to linear acceleration be equal to centripetal force regarding SpinLaunch

SpinLaunch uses a large rotating arm to spin a projectile at high RPM before releasing the projectile with enough velocity to nearly reach earth orbit. I have a question comparing G-forces in ...
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How to verify the corectness of a renormalization scheme?

I am currently studying renormalization and have the above question about the renormalization scheme. So as far as I understand when we renormalize, we come from the realization that there are ...
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What's a good simple model for wind attacking drone?

I'm trying to simulate a drone on https://rapier.rs/. My idea is to do an X shaped object, with a force $P$ on each end of the X, always perpendicular to the drone plane. I want to simulate wind, ...
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What do I need and where do I start to understand unitary (projective) representations in QFT? [closed]

Currently I'm studying QFT from Weinberg and also watching the lectures of Prof. Tobias Osborne through his YouTube channel. He started the first lecture by talking about unitary representations and ...
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Understanding the interaction of two inductors, e.g mutual inductance, transformers, without energy conservation

Is there a way to understand the interaction of two inductors, such as in transformers and in mutual induction, without using energy conservation? In the texts that I have read so far, whenever I have ...
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Papers of real experiments measuring momentum of individual particles?

I am trying to understand the different methods that have been used to measure the momentum of individual particles. I have been able to find a few methods (with corresponding papers describing the ...
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Electrons under effect of induced electric field

Suppose a magnetic field exists in a region $0<r<a$ and a circular wire loop (conductor) is placed around it such that its radius is more than $a$. If the rate of increase of flux is ...
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1 vote
1 answer
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Producing cherenkov radiation using radioactive source

I want to produce cherenkov radiation by transpering $\beta$ particles through a dialectric media. To do this , I will use a radioactive decay as a source for the $\beta$ particles, The thing that ...
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Work of discharge capasitor [closed]

when a capacitor discharge means that potential difference is equal to 0; The Work is equal to -dU? where dU is dynamic energy
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Does Adler-Bell-Jackiw anomaly break also the $SU(2)_{\mathrm{vectorial}}$ symmetry?

I noticed that in the case of $U(1)_{\mathrm{axial}}[U(1)_{EM}]^2$ anomaly ($U(1)_{\mathrm{axial}}$ is a subset of $SU(2)_{\mathrm{axial}}$ symmetry), supposing the quarks have equal masses by a ...
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-1 votes
2 answers
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Guessing in physics [closed]

“In general, we look for a new law by the following process. First, we guess it. Then we compute the consequences of the guess, to see what, if this is right, if this law we guess is right, to see ...
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What would be the implications of an anomalous supersymmetry?

As far as I've studied the literature, there's nothing about the implications of anomalous supersymmetry. There's merely one article that studies anomalous SUSY in the case of $N=1$ SCFT. Anomalous ...
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Releasing compressed air with the loudest pop [closed]

Due to the dry summer I've been thinking about theory of making cracker/banger without fire. Would connecting a nozzle (de Laval?) to quick release valve from small cylinder with the pressurised air ...
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-1 votes
0 answers
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Is there a difference between a pattern's results and its processes? [closed]

Is there a difference between a pattern's results and its processes? The following link will send you to Wikipedia site where they define Pattern
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Kitaev Chain - Obtaining a real-orthogonal matrix that block-diagonlises the Kitaev Chain

I encounter a subtle problem regarding the Kitaev Chain. In Kitaev framework, he tried to express the Hamiltonian into real-orthogonal basis. Suppose the Majorana system is described by $$ H = \frac{i}...
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Is this definition of information valid?

First following, "that entropy, is information: indeed,in the micro-canonical language entropy is determined by the number of microstates compatible with a given macrostate." Carlo Rovelli;...
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1 answer
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Doubt on whether COAM is applicable

We have a table that is rotating with $w_1$ angular velocity. We keep a coin on the table which doesn't skid if it is kept at at most $r$ distance from the axis of rotation. If the table rotates at $...
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4 votes
4 answers
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Time Dilation Explanation

This might be a dumb question but I'm still going to ask it. So basically I've been trying to learn Special Relativity through this lecture by Brian Greene, and the way he justifies time dilation is ...
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Logistics of Recreating the Michaelson-Morley Experiment

I want to recreate the Michaelson-Morley Experiment and am wondering how technically challenging it would be. I'm not looking for it to be super precise, just good enough to provide reasonable ...
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Kelvin–Helmholtz instabilities - how to solve these questions? [closed]

The Kelvin-Helmholtz problem occurs when horizontal wind and density change at a discontinuity with $U_1,ρ_1$ in the upper layer and $U_2,ρ_2$ in a lower layer. It can be shown that the phase speed ...
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-2 votes
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What is the work of a capasitor? [closed]

on a capacitor with a given surface charge density the work equals the relation 1, on a capacitor with constant potential difference the work formula is relation 2. Can you explain the difference ...
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1 answer
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Question on the decaying elliptical orbit of a comet, causing it to impact the earth

Is it theoretically possible for a comet, in an eighty-year elliptical orbit around the earth, to change trajectory due to a friction-like mechanism, resulting in orbital decay that will impact the ...
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According to quantum mechanics, can a "macroscopic object" (e.g. tennis ball) spontaneously get in coherent state?

According to quantum mechanics, can a "macroscopic" object (e.g. tennis ball) spontaneously and without any manipulation/intervention get in coherent state?
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