Question

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

Answer 1

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

Answer 2

The correct options are as follows :

Explanation:

The difference of final position and the initial position of the object is called displacement of an object.

The options that describe a situation with a displacement of zero are :

1. Riding on a Ferris wheel whose entrance and exit are the same. An object comes to the same point from where it has started.

2. Walking around the block, starting from and ending at the same house. Initial and final position are same.

3. Running exactly one lap around a racetrack. After one lap, its final and initial position are same.

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Displacement

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