KidzSearch - Safe Search Engine
web image video

more

facts wiki news games kidztube apps

The Planck mass is a small unit of mass used in physics. It is derived using an equation involving Planck's constant, the speed of light in a vacuum, and the gravitational constant. It is approximately 21.76 μg, which is about the mass of a grain of rice.

The idea was to have a definition based only on fundamental universal constants.

 view more...









report a search problem

home contact us settings advertise terms/privacyabout usteacher forum

desktop version
Powered by Google SafeSearch
Copyright 2005-2021 KidzSearch.com