TransWikia.com
  1. All Categories
  2. Physics

Physics : Recent Questions and Answers (Page 503)

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

Why would water rise if the height of the capillary tube above the water surface is decreased?

While studying fluid mechanics I came across a section which say:If a tube is submerged in water and some part is empty Water rises in a capillary tube say...

Asked on 03/09/2021

2 answer

Why is force a localized vector?

I am curious as to why the position of where I apply a force on an object matter? Like what is is happening at the molecular level where force is...

Asked on 03/09/2021

2 answer

How an inductor lose energy when pulling iron

I'm confusing with a problem. Consider an ideal inductor with a shorted circuit and no resistance and having a current through it. we know this current is constant while the...

Asked on 03/09/2021

1 answer

Hawking Radiation and Information loss

The Gravity program I watched brought something really interesting to my awareness. With black-hole Hawking radiation... everything gets sucked into the event horizon... we don't know what happens there... if...

Asked on 03/09/2021 by Shay Maor

1 answer

Charging of a battery

A battery has an Emf 6 Volts. It is completely discharged. It is charged by maintaining a potential difference of 9 Volts across it. If the internal resistance of the...

Asked on 03/09/2021 by user456

4 answer

Can cooled gasses be bubbled up through water to cool it?

I'm working with a pressure vessel that is cooled to a reasonably cool temperature. Since it is cooled at pressure when the air exits the pressurized system the gas expands...

Asked on 03/09/2021 by Steve Mucci

0 answer

Difference between potential centrifugal energy and rotational/kinetic energy

I'm having troubles to understand the difference between kinetic energy and potential centrifugal energy in some situations. I make an example where I am confused.A object moves on a rod...

Asked on 03/08/2021 by Gianolepo

2 answer

What shape has the highest drag coefficient?

This image from NASA illustrates drag coefficients for several shapes: It is generally accepted that some variation of the teardrop/airfoil...

Asked on 03/08/2021

3 answer

Why T-duality only work when the background has isometries?

I have been studying from some textbooks and papers about the T-dality topic. In particular for the Buscher rules it seems that they claim that in order to have T-duality...

Asked on 03/08/2021 by Anthonny

1 answer

Does sugar have a quasi-liquid film on its surface at room temperature?

BackgroundAccording to an article from Physics Today, ice is slippery because there is a “liquid or liquid-like layer” on its surface. There are 3 mechanisms that can...

Asked on 03/08/2021

1 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP