28 February 2007
When Irrigation Pipes Need Repair
Excavate around and under the piping. Create
a large enough workspace in which to facilitate the repair. For some reason,
many of us try to keep the area of soil that we have to excavate as small
as possible. We should keep in mind th
18 February 2007
Shuttle/ISS Orbital Simulator
3. Devise a plan
for positioning the Shuttle (green object) so that it is within 100 km
of the ISS (red object) and also traveling at the same speed.
1
(2 marks)
