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중학교 1–3학년
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1
Which of the following best distinguishes distance from displacement?
A
Distance is a scalar quantity that measures the total path length, while displacement is a vector quantity that measures the change in position.
B
Distance and displacement are both vector quantities that measure the change in position.
C
Distance is a vector quantity that measures the total path length, while displacement is a scalar quantity that measures the change in position.
D
Distance and displacement are both scalar quantities that measure the total path length.
2
A student walks 3 meters east, then 4 meters north. What is the magnitude of the student's displacement?
A
7 meters
B
1 meter
C
4 meters
D
5 meters
3
If a runner completes one full lap around a 400-meter track, what is their displacement?
A
0 meters
B
200 meters
C
400 meters
D
800 meters
4
Which statement correctly describes a scenario where distance and displacement are equal in magnitude?
A
When an object moves in a zigzag pattern.
B
When an object moves in a straight line without changing direction.
C
When an object moves in a circular path and returns to its starting point.
D
When an object moves back and forth along a straight line.