Search over 10,000 free study notes

History is all about causes and consequences which change the world from time to time. By knowing these it is really easy to remember dates, names, and events as you don't just remember them by heart but ...

A turning point on a curve will be a point where the curve is flat/horizontal i.e. where it has a gradient of zero. We know that to find the equation for the gradient of a curve we have to differentiate i...

using supply & demand diagram, show that the price of oil will rise due to an increased demand for oil. ceterus paribus assumption being made. can discuss other factors that may or may not make this e...

This is an example of a common Mechanics 1 question. I teach a systematic approach to such questions. 

1. Diagram - dram diagram of the pulley set up

2. Label forces on diagra...

Label the equations 1 and 2 We want to make it so the x are the same number - therefore we have to find a common multiple of 2 and 3 - this is 6 Therefore the equations turn into: 1) 6x + 10y = -8 2) -6x ...