Question

Which of the following inertial reference frames are proper frames for the two events listed? Choose all that apply.

RED FRAME: Event A happened at a different place than event B.

ORANGE FRAME: Event C happened at (9 m, 7 m, -6 m) and event D happened at (-9 m, 0.7 m, -6 m).

YELLOW FRAME: The distance between where event E occurred and where event F occurred was 4 m.

GREEN FRAME: A rocket was traveling at a constant velocity when it passed through a stationary tunnel. Event G was the front of the rocket entering the tunnel and event H was the tail of the rocket entering the tunnel.

BLUE FRAME: A stationary rocket was engulfed by a hollow cylinder that was moving at a constant velocity. Event J was the front of the rocket entering the cylinder and event K was the the front of the rocket leaving the cylinder.

Answer 1