Top answers

Physics
All levels

What are some key differences between sound and light waves?

Sound waves have mass, as they are the longitudinal (along the path of the wave) vibration shockwave of molecule, while light waves do not, as they are the transverse displacement of just energy.

...
YP
Answered by Yaniv P. Physics tutor
53715 Views

What is the force on a moving charged particle in a magnetic field, and why is no work done by this force when it accelerates the particle?

A particle with electric charge q, mass m and velocity v in a constant magnetic field B...

RP
Answered by Rich P. Physics tutor
12474 Views

What does the double slit experiment tell us about light?

Imagine an opaque barrier (no light can get through) with two parallel slits in it, onto which we shine a coherent light source (light of only...

AO
Answered by Adam O. Physics tutor
8180 Views

Show that the orbital period of a satellite is given by T^2=(4pi^2r^3)/(GM) where r is the orbital radius, G is the gravitational constant and M is the mass of the Earth. Then find the orbital radius of a geostationary satellite.

The first part of this question relies on remembering one key principle which is that for a satellite, or any body orbiting in a circle, centripetal force is provided by gravitational force. The rest ...

MH
Answered by Michael H. Physics tutor
32354 Views

How do you prove Kepler's Third Law?

For starters, what exactly is Kepler's Third Law?

Kepler's Third Law states that the square of the time period...

DB
Answered by Daniel B. Physics tutor
73248 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning