A friend speeds by you in her spacecraft at a speed of 0.770 c. It is measured in your frame to be 4.30m long and 1.50m high.
What will be its length at rest?
What will be its height at rest?
How many seconds elapsed on your friend's watch when 22.0s passed on yours?
How fast did you appear to be traveling according to your friend?
How many seconds elapsed on your watch when she saw 22.0s pass on hers?