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Higher HW solutions Q6 (due 15/12/08)
Higher HW solutions Q5 (due 15/12/08)
By mrmackenzie, December 15, 2008 7:56 pm
One Volt is the potential difference that exists between two points if 1 Joule of work is required to move 1C of charge between the points.
Higher HW solutions Q4b (due 15/12/08)
Higher HW solutions Q4a (due 15/12/08)
Higher HW solutions Q3 (due 15/12/08)
By mrmackenzie, December 15, 2008 7:35 pm
The solution to Q3(a) is contained in the attached video file. Solutions to the other parts of Q3 are: Q3(b) The gas is at constant temperature. Q3(c) The volume of the oxygen tank will always have some gas in it, so not all of the 75 litres of air are available for the astronaut to breathe.
Higher HW solutions Q2 (due 15/12/08)
Higher HW solutions Q1 (due 15/12/08)
By mrmackenzie, December 15, 2008 7:26 pm
Solution to Q1 from HW due on 15/12/08. This video contains the solution to Q1(a). The solution to Q1(b) is: As temperature increases, the average kinetic energy of the gas molecules increases. This means that the molecules travel more quickly and hit the walls of the tyre harder and more often – causing an increase in pressure.
Youtube solutions to Higher HW due 26/11/08
By mrmackenzie, November 29, 2008 10:23 pm
Here are the Youtube solutions to your most recent HW. Play these videos if you are not using the iTunes subscription to download the files automatically. Click on the <more> link below if you only see one Youtube player window.
Question 1(a)
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