Physics Questions, Problems & Solutions : TransWikia.com ~ Page 556

Help me to envision a man falling towards a black hole with all of the time dilation involved

I'm standing at a safe distance from a black hole and I'm in an Earthlike time frame of reference. Through my telescope I see a man starts to fall...

Asked on 02/17/2021

1 answer

What does a Hilbert space state vector represent in Koopman–von Neumann theory?

I understand what a state vector is in quantum mechanics. I also understand that in KvN theory, both the quantum Hilbert space and the classical Hilbert space are the same...

Asked on 02/17/2021

2 answer

Are there other theories than gravitational attraction taken into account as a reason for the extreme accumulation of matter in the universe?

This question is about how small the interstellar density is (less than 1 atom per cubic centimeter). But although the interstellar density is very low, matter tends to extremely...

Asked on 02/17/2021

1 answer

Why two vibrations of different frequencies and amplitudes need to be commensurable when the resultant vibration is formed from their superposition?

I was reading chapter 2 of AP French's Vibrations and Waves. In the section "Superposed Vibrations of Different Frequency, Beats", this paragraph confused me :- "Unless there is some simple...

Asked on 02/17/2021 by Chandan Gupta

1 answer

Law of conservation of energy and potential energy

I completely understand how this law goes and how energy is changed from one form to another. But there is something that I thought about, we all know how the...

Asked on 02/17/2021 by Cattosphere

2 answer

Identify the Origin of each term in Weizsäcker's Semi-Empirical Mass formula?

I was hoping someone could explain each term in Weizsäcker's semi-empirical mass formula in simple English because I don't understand it. Any help will be appreciated thank...

Asked on 02/17/2021

0 answer

Attractive central force problem with impact parameter

Let $m$ be a mass subjected to a central force: $$vec{F}(r) = -frac{k mu}{r^3} vec{u_r} $$ Where $k$ is a positive constant and $mu$ is the...

Asked on 02/17/2021 by conradDell

0 answer

Order parameter and Bose-Einstein condensation

I want to study about order parameter and symmetry breaking related to bose einstein condensation in interacted system. Which book i should read? also i want to learn this in...

Asked on 02/17/2021 by pooja

1 answer

Example when some force (work) transfers energy from one place to another (without converting energy from one form to another)?

Wikipedia writes:Work transfers energy from one place to another, or one form to another.Besides, physical work is always done by some force. I cannot think...

Asked on 02/17/2021 by Code Complete

1 answer

Why is the speed of light ignored in this formula?

I'm trying to follow this worked example from my lecturer. Here's the question: and here's the answer to part 1: ...

Asked on 02/17/2021 by lordnoob

1 answer

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