Over a million students use our free study notes to help them with their homework
We can understand this using an idea called the Kinetic Model of Gases. Basically, let's assume that every molecule in the gas is a tiny, tiny snooker ball whizzing around the containe...
This is a common IB question- fairly tricky the first time you com across it!
A typical transformer consists of an iron core with two coils wound around it - the primary and the secondary. Any current-carrying wire produces a magnetic field around it, but because the primar...
When two atomic nuclei are heated to a very high temperature and high pressure, for example inside a star, their nuclei can join to make a larger nucleus. Energy is released when this fusion takes plac...
The formula for efficiency is:
efficiency = (useful energy / total energy)
Therefore, first we must find the total energy which is the sum of all of the branches of the Sank...
←
262
263
264
265
266
→
Internet Safety
Payment Security
Cyber
Essentials
