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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...
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