A spaceship flies past a planet at .6c. The pilot and his girlfriend on the planet each wave at each other for 4.0 seconds.
(a) Calculate how long the pilot sees his girlfriend waving.
(b) Calculate how long the girlfriend sees the pilot waving.
This is from Dot-Point and the answers they...
I'm in year 11 currently. If i do the 2 unit HSC Mathematics course this year (ie. accelerated) and then do 4 unit Mathematics next year (i.e. 3 and 4 unit exams), will my 2 unit results be counted towards my HSC mark?