Physics Questions, Problems & Solutions : TransWikia.com ~ Page 652

Why does light ray not change direction when it pass though the curve part of the semi-circular glass block?

Why does light ray not change direction when it pass through the semi circle part of the block but when it pass through the...

Asked on 01/15/2021 by user93228

2 answer

Three body problem + spring + center of mass (classical mechanics)

Given three bodies with mass $m$ each - body $1$ moves (to the right) towards the stationary body $2$ with velocity $v_1=7v$ and collide with it....

Asked on 01/15/2021 by Dr. John

2 answer

States in Free Fermi Gas

I want to understand the thermodynamic properties of the free fermi gas and for that I have the following two basic problems: The free fermi gas is treated in the...

Asked on 01/15/2021 by CVJM

3 answer

Is the Boltzmann brain problem really clearly established as a problem?

Starting from the assumption of a cosmology in which Boltzmann brains dominate over evolved ones, it is not immediately obvious to me that there is a real problem, since...

Asked on 01/15/2021 by user1247

1 answer

Final temperature of a mixture of water and ice in a copper container

Lets say I have ice of mass $m_i$ and initial temperature $T_i$ and specific heat $s_i$ . And I have water of mass $m_w$ and initial...

Asked on 01/15/2021 by Prithu biswas

3 answer

Thermo Fischer: Phenom Pharos Desktop SEM

Does anyone know which "Thermo Fischer: Phenom Pharos Desktop SEM" generation is displayed in this picture. I have used this microscope during an experiment and I'm looking for the datasheet...

Asked on 01/15/2021 by I Need your help

0 answer

Deduce $mathcal{E} = B l v$ by directly solving Maxwell's equations

Consider the following situation: We know this is a classic example frequently used when teaching Faraday’s Law, and the voltage/electromotive...

Asked on 01/15/2021 by xzczd

3 answer

Why does this one move faster?

Consider a 2 body system as shown: Consider the floor to be absolutely smooth and the coefficient of friction for the contact between...

Asked on 01/15/2021 by Vector

1 answer

What did Einstein's unified theory look like, quantitatively?

I'm writing an essay on the history of physics from a mathematical point of view. It's divided into a handful of impactful persons/ideas, one of the largest being the works...

Asked on 01/14/2021

0 answer

Current flow with batteries in series vs parallel

Taking let's say three ideal and identical batteries, why does the current flow increase when we add them in series compared to them being in parallel? I can understand the...

Asked on 01/14/2021 by philmcole

3 answer

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