Search over 10,000 free study notes

There are two different types of wave: longitudinal and transverse. When you hear the word "wave" you are probably thinking of a transverse wave.

...

The easiest way to solve this problem is by using differentiation.

dy/dx = (6x^2 + 4x + 2)/dx

dy/dx = 62x^1 + 41x^0 + 0

dy/d...

Direct taxes are paid to the government straight from the individual or group taxpayer. E.g income tax (comes straight from the individuals' income) or corporation tax (comes straight ...

A bar-chart is a graph where the height of the bar measures the frequency of a particular category which that bar represents.

For a histogram, however, t...

The letters "x" and "y", or any other similar letter in an equation, are examples of unknown variables. 

What this means is that we don't know their v...