-Unintuitive
-Very Fast
C = 3 * 10^8 m/s
299,792,458 m/s
Where to Begin?
Einstein, Galileo
Two postulates, logic, conclusion
Spaceship Flyby2
t’ = γt
γ= 1/√1-β^2
orbit satellite
β = 14000km / hr * 1000m / Km * 1hr / 3600s = 3890 m/s
Wret = ΔPE
= PEf – PEo
Dead Reckoning
Direction, speed, duration
East, 12km/h, 2.5hrs
south, 20km/h, 1hr
