Search over 10,000 free study notes

11+ English is comprehension and spelling. It is difficult to set specific questions for this. I have looked at various past papers and there are a range of areas that different schools test on. I would h...

Factors of Demand:Taste, Substitutes, Complements, Necessity, Income Factors of Supply:Raw materials. Labour, Tax, Weather
students will pick one type of shift they will analyse.
Once key facto...

Doppler shift can be described as the fractional change in wavelength due to relative motion between an observer and a wave source. The wavelength of a line in the spectrum of light emitted by a distant r...

P is currently the subject of the formula, y needs to be isolated. To do so first we need to get rid of the square root on the right side of the formula. Opposite to square root is square, so if we square...

To expand the brackets we consider each bracket separately, (2m-3) which is multiplied by (m+1). Consider first the first identity in each bracket:2m x m = 2m²Then consider the first identity a...