Alumni
Quick quiz answers from the February edition of the Alumni newsletter
- William Henry Harrison who was President from March 4, 1841 to April 4, 1841.
- Francis Michael Forde who was Prime Minister from July 6, 1945 to July 13, 1945 .
- No, impossible - to have an engine, you have to get heat from one or more sources and dump more of that heat out to at least one other place. If you are submerged in the ocean, you are getting the heat from the ocean and dumping back to the ocean and it's simply not possible (2 nd Law of Thermodynamics)
- (c)
- At the speed of light which is approximated to 300,000 km per second.
- RADAR = radio detection and ranging
SONAR = sound navigation and ranging
LASER = light amplification due to the stimulated emission of radiation - The Sun; Alpha Centauri (one of the pointers to the Southern Cross)
- Salt and water
- Nominal values are calculated using prices prevailing at the time of purchase or sale; real magnitudes are calculated by removing the effect of changing prices on sales or purchase values over time.
- The $A has appreciated against the $US. For example, if $US1 bought $A1.35 yesterday and $A1.25 today, $A1 would have bought about 74 cents US yesterday and 80 cents US today. The $A is thus buying more US currency today than yesterday - which means it has appreciated in value relative to the $US.