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Physics : Recent Questions and Answers (Page 740)

Find answers to your questions about Physics or help others by answering their Physics questions.

Repulsive force from charge accumulation in a capacitor plate?

During a charged state of a capacitor (Regardless of the type of capacitor),Simple parallel plate:.pngParallel plate with dielectric material in the gap:...

Asked on 12/14/2020

1 answer

Single Slit Thought Experiment

If it were possible to fire a single Electron through a slit of exactly the same size, would there be zero interference at the detector?...

Asked on 12/14/2020 by user132722

1 answer

Lorentz transformation and rotation matrix

$$begin{pmatrix} 1& 0 & 0 & 0 0& costheta & sintheta &0 0& -sintheta & costheta &00 & 0 & 0...

Asked on 12/14/2020 by Not

3 answer

RC circuit discharge while being connected to a battery?

I am facing a conceptual problem in analyzing the following situation which was part of a physics exam:A series RC circuit with $R = 200k Omega$ and $C...

Asked on 12/14/2020 by Anamika Ghosh

3 answer

Potential flow pressure on a smooth surface

For an incompressible potential flow around a smooth rigid body, is it true that the pressure on the surface of the body is proportional to $acos^2theta+b$ where $theta$...

Asked on 12/14/2020

2 answer

Can a 3500 Watt Laser fired from the Earths' surface have a measurable impact on Mars?

Recently, I came across a video on the BBC website which stated that people were 'blasting 3500 Watt lasers' at Mars. The article (https://www.bbc.com/news/av/uk-england-hampshire-54930207) goes on about...

Asked on 12/14/2020 by Mookuh

2 answer

Ideal gas and moveable pistons

Suppose there is an ideal, monatomic gas contained in a cylinder with a moveable piston and you bring that system (system = gas only) through some process. If that process...

Asked on 12/14/2020 by stewy0013

3 answer

Equation 11.27 in M.D. Schwartz book

I am having trouble understanding the steps taken in (11.27) equation in Quantum Field Theory and the Standard Model by M.D.Schwartz. I don't understand how to get the middle diagonal...

Asked on 12/14/2020

1 answer

Displacement of string and simple harmonic motion

If the displacement of a string follows $$y(x,t) = A sin(kx - omega t + phi_0)$$ how can I show that the "hand" generating the wave must be...

Asked on 12/14/2020 by Yoda

1 answer

Particle on surface of ellipsoid

I found this problem in a book called Structure and Interpretation of Classical Mechanics. The problem asks to write down the Lagrange equations of motion for a particle confined to...

Asked on 12/14/2020 by xdavidliu

2 answer

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