by OTM | Apr 12, 2018 | A-Level, Economics

Discuss whether the Singapore government should be concerned with inflation. How can we approach the question? Introduction Define inflation to be the sustained, inordinate increase in general price level. Clarify “concerns”: link to achievement of macroeconomic...
by OTM | Apr 12, 2018 | A-Level, Physics

With reference to the figure above, a mass m hangs at the end of a rope which is attached to a support fixed on a trolley moving to the right with a speed v on a horizontal track. The angle, θ, is the angle the rope makes with the vertical. Are the following...
by OTM | Apr 5, 2018 | A-Level, Chemistry

A mass of 0.457 g of solid carbon dioxide was vapourised into an evacuated gas syringe at r.t.p. A small amount of inert gas was introduced into the gas syringe and the volume of the gas syringe was 334.5 cm³. The temperature was kept constant throughout. How much...
by OTM | Apr 4, 2018 | A-Level, Mathematics

The graph of y = f(x) is shown above. (a) The graph of y = f(2 – x) is obtained when the graph of y = f(x) undergoes a sequence of transformation. Describe the sequence of transformations. (b) Sketch the graph of y = f’(x), stating the equations of any asymptotes and...
by OTM | Feb 1, 2018 | A-Level, General Paper

‘The world would be a better place if more political leaders were women.’ What is your view? Source: 2013 GCE A-Level General Paper How can we approach the question? First, let us unpack its key assumptions. There is a lack of female political leaders. Roughly...
by OTM | Feb 1, 2018 | A-Level, Mathematics

Given that |z – 2i| < 4, illustrate the locus of the point representing the complex number z in an Argand diagram. Hence find the greatest and least possible values of |z – 3 + 4i|, given that |z – 2i|< 4. Source: 2003 GCE A-Level Mathematics How can we approach...