Which statements describe a situation with a displacement of zero? Check all that apply.
traveling south for 30 miles, then turning west and traveling another 30 miles
riding on a Ferris wheel whose entrance and exit are the same
walking around the block, starting from and ending at the same house
riding on an escalator from the bottom floor to the top floor
running exactly one lap around a racetrack
riding on a Ferris wheel whose entrance and exit are the same
walking around the block, starting from and ending at the same house