Some life forms move so slowly that their movement cannot be detected by normal observation. The best way to determine any movement is by placing a mark at some point, and observing any change in position from it. Why is this true?
17✔ 19212325
Assume each tick mark represents 1 cm.
91013✔ 16
✔ 02345
greater thanless than✔ equal to
Zamir and Talia raced through a maze. Zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east, and 4 m north. Talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north.
Zamir and Talia raced through a maze. Zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east, and 4 m north. Talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north.
Recall the previous question and the scenario with Zamir and Talia finding their way through a maze.Why is their displacement the same when the distance each traveled was different?
Distance is the total path length traveled by each person, so if they took different routes, their distances will differ. Displacement is the straightline change in position from the starting point to the ending point. Since Zamir and Talia started at the same entrance and ended at the same exit, their displacement is identical regardless of the paths they took.
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