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    Newtons law of Cooling Q

    Fitzpatrick Exercise 25(e) q4 A body initially at room temperature 20 degrees, is heated so that its temperature would rise by 5degrees/min if no cooling took place. Cooling does occur in accordance with Newton's Law of Cooling and the maximum temperature the body could attain is 120 degrees...
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    re use of prelim course in hsc papers

    I'm unsure, hence why I'm asking here first; however I read somewhere a while ago that only a certain percentage of a paper (namely maths, more specifically, maths ext 1) can contain prelim course work. Is this true? What is this percentage? I'm asking because we sat a maths ext 1 midcourse...
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    heat of Combustion and Enthalpy - in dire need of help

    Long story short, any help is greatly appreciated, I'm not sure exactly what to do for these questions; Q1. a group of students set up an apparatus to perform an experiment to find the enthalpy of combustion of ethanol. They placed 200mL of water in the flask and ethanol in the spirit...
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    Stuck on some algebra for MI

    how on earth do you get; (k+1)^3 + k^2/4 . (k+1)^2 to equal: (k+1)^2 /4 . (k+2)^2 EDIT: if you can't read that; then: 3 2 2 (k+1) + k . (k+1) 4 = 2 2 (k+1) . (k+2) 4
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