Chapter 26.4, Problem 26.5QQ

You observe a locket moving away from you. (i) Compared with its length when it was at rest on the ground, will you measure its length to be (a) shorter, (b) longer, or (c) the same? Compared to the passage of time measured by the watch on your wrist, is the passage of time on the rocket's c lock (d) faster, (e) slower, or (f) the same? (ii) Answer the same questions from part (i) if the rocket turns around and comes toward you.