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John Rawls' vision of distributive justice entails his Difference Principle. The Difference Principle permits diverging from strict equality so long as the inequalities in question would make the least ad...

The equation is shown below as found in the IB Physcis Data Booklet.

GPE = -GMm / r

Where GPE is gravitational potential energy, G is the gravitational constant, M and m are the mas...

In order to ensure that you can gain the maximum amount of marks for each question in a data-based style question in Paper 1, it is important to include the following key points. Firstly, ensure you descr...

We know that the number of undecayed nuclei, N, is given by N=N₀e^{-lambda t}. From this, by setting N=N₀/2 we know at this point that t= T_0.5 (the half life) and ...

To integrate the volume of revolution first imagine a thin disk around the x-axis which we want to know the volume of: Volume=area x height. The area of a circle is given by pi r^2 and in our case let us ...