Part a: 1:00
Part b: 9:55
Part c: 17:26
Learn how to get top marks on undergraduate physics and engineering exams. This guide is suitable for students studying A levels or at university or college.
If you want to try this question yourself before watching, aim to spend around 30 minutes in total. You can find the full workings from the video here: http://imgur.com/Z6Es05O