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Elastic collisions conserve both linear momentum and kinetic energy, whereas inelastic collisions conserve only linear momentum.

The derivation will be shown on the virtual black board.

Radians are used a lot in A level maths because at higher levels, they allow for simplification of trigonometric functions. For example, when using radians, it can be said that:

Sin(angle) ≈ angle ...

First Past the Post (FPTP) is an electoral system where the country is divided up into constituencies. Each constituency sends one representative to the Parliament. Every voter has one vote and casts it f...

A process by which organisms which are most suited to the environment that they live in are more likely to survive and therefore to reproduce, passing the characteristics which made them most suitable on ...

The social exchange theory relates to relationships. The theory proposes that relationships are based on weighing up the costs and benefits, and if the costs outweigh the benefits, the relationship will r...