homework solutions

H tension HW answers

24 September, 2017 by mrmackenzie

I’ve marked your HW jotters and will hand them back during tomorrow’s lesson.

I’ll go over the main issues in class but many of you need to review the way you attempt tension questions; use a free body diagram and only use F=ma when you know the resultant force. These two videos should help.

HW question 4 from mr mackenzie on Vimeo.

Higher HW Q5 from mr mackenzie on Vimeo.

Nat5 solutions to acceleration hw

13 November, 2015 by mrmackenzie

Sorry, folks. I forgot to post the solutions to the last homework exercise. See attached file which also includes the questions.

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Nat5 – solutions to scalar/vector hw exercise

6 October, 201529 September, 2015 by mrmackenzie

Here are your solutions to the homework questions on scalar and vector quantities. Check your own work against these answers and let me know if you need any further explanation to reach the answers shown.

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higher homework solutions – forces

6 October, 201527 September, 2015 by mrmackenzie

Here are my worked answers to HW4 on forces. Please speak to me if you still have questions and working through the attached file.

Note that other methods are possible for Q5a(ii), e.g. sine & cosine rules, or a scale drawing.

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AH homework solutions

11 November, 2013 by mrmackenzie

Sorry for the long wait! Here are worked solutions to the homework questions on calculus and special relativity. Come and see me if you want to go over any of them. Thanks.

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