TransWikia.com
  1. All Categories
  2. Physics

Physics : Recent Questions and Answers (Page 54)

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

Why didn't heavier elements settle at the core of the solar system?

As the solar system formed, why didn't all of the heavier elements such as iron, collect where the sun is leaving the lighter elements in the outer solar system?...

Asked on 09/30/2021

3 answer

Where does ice get the energy to lift sand adhered to its base as it melts?

Consider the following clip of ice melting on sand: I'm intrigued by the fact that the sand below the ice lifts as the ice melts and the...

Asked on 09/30/2021 by concat

2 answer

Can gravity slow down the expansion of the universe?

If dark energy drives a repulsive force between galaxy clusters, proportional to their distance which makes space expand, which creates space between them, and gravity between the clusters has the...

Asked on 09/30/2021

2 answer

Why does newtons second law involve second derivative of position?

As in, why is newton's second law(for constant mass systems), $$ F= m frac{d^2 x }{dt^2}$$ and not something of the sort like $$ F= m frac{d^3 x...

Asked on 09/30/2021

3 answer

How can I determinate the air flow coming out of a pressure tank?

I have a trouble with a simple question (I think). Well, if a have a tank full of compressible air at a pressure of for example 6 bar and a...

Asked on 09/30/2021 by Polo AM

2 answer

Why is the time period of spring block independent of initial momentum/ energy fuelled into the system?

I was recently doing a question on a spring block system and I was just suddenly weirded out by the fact that regardless of how much momentum or energy the...

Asked on 09/30/2021

5 answer

Why is the electric field zero inside a hollow conducting sphere?

If you have a conducting hollow sphere with a uniform charge on its surface, then will the electric field at every point inside the shell be 0. The reason the...

Asked on 09/30/2021 by Tabish Mir

2 answer

Derivation of Rotational Motion Equations using Calculus

How are the equations for rotational motion derived using calculus and the following general equations ? $$mathbf{v}(t) = mathbf{v}_0+int_{t_0}^t mathbf{a}(t')dt'$$ $$mathbf{r}(t) = mathbf{r}_0+int_{0}^t mathbf{v}(t')dt'$$ Let $a(t) = alpha$ Also, can...

Asked on 09/30/2021 by James Bap

2 answer

What is the force of attraction exerted on a point charge by an induced charge, from an infinited grounded conducting plane?

This question is motivated by Section 3.2.3 in Griffiths' book on Electrodynamics. I am trying to calculate the force of attraction exerted on a point charge by an induced charge,...

Asked on 09/30/2021

3 answer

In what sense do Goldstone bosons live in the coset?

Goldstone's theorem says that if a group, $G$, is broken into its subgroup, $H$, then massless particles will appear. The number of massless particles are given by the dimension of...

Asked on 09/30/2021 by JeffDror

2 answer

Ask a Question

Get help from others!

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