A friend speeds by you in her spacecraft at a speed of 0.750 c. It is measured in your frame to be 4.60 meter long and 1.35 meter high.
a) Find what will be its length at rest?
b) Find what will be its height at rest?
c) How many seconds elapsed on your friend's watch when 19.0s passed on yours?
d) Determine how fast did you appear to be traveling according to your friend?
e) Determine how many seconds elapsed on your watch when she saw 19.0 sec pass on hers?