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 milesriding on a Ferris wheel whose entrance and exit are the samewalking around the block, starting from and ending at the same houseriding on an escalator from the bottom floor to the top floorrunning exactly one lap around a racetrack
Answer
A
traveling south for 30 miles, then turning west and traveling another 30 miles
B
riding on a Ferris wheel whose entrance and exit are the same
C
walking around the block, starting from and ending at the same house
D
riding on an escalator from the bottom floor to the top floor
E
running exactly one lap around a racetrack
Explanation
Displacement depends only on the difference between the starting and ending positions. Riding the Ferris wheel from its entrance back to the same place, walking around the block back to the same house, and completing one lap around the racetrack all end where they began, so their displacement is zero. The trip south and west and the escalator ride end at different positions from where they started.
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