An Air plane flys from san fransico to new-york about 4800km at speed of 300m/s how much time does trip take as measured by observer in the plane?
d = r*t = 4.8*10^6m.
300*t = 4.8*10^6
t = 16,000 s. = 4.44 h.
300*t = 4.8*10^6
t = 16,000 s. = 4.44 h.