screencast

S3 homework solutions

by

I have recorded some short videos to help you review your recent homework exercise.  Here is the answer to part (a) of the data logger question.

[vimeo http://www.vimeo.com/31104699 w=400&h=300]

You can download a copy of any of these homework video files using the download link under each post.

Podcast: Play in new window | Download

drawing scale diagrams

by

Here is an example of a vector problem where we use a scale diagram to find the displacement of an object.

You can watch the video using the player, click on the download button to save it to your computer or watch it in iTunes if you have subscribed to the podcast.

Vector Scale Diagrams from mr mackenzie on Vimeo.

If you want to improve the accuracy of your scale diagrams;

  • use a sharp pencil
  • measure the vector lengths as accurately as you can
  • make sure the point of your vector arrow is on the end of the measured line
  • start each new vector right at the tip of the previous vector

Podcast: Play in new window | Download