Introduction to Motion

Question 1

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?

Revolt · Accepted Answer

B: The mark is a reference point.

Question 2

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.

Revolt · Accepted Answer

Zamir walked meters and Talia walked meters.: 27; Zamir walked meters and Talia walked meters.: 19

Question 3

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.

Revolt · Accepted Answer

D: ✔ 27

Question 4

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?

Revolt · Accepted Answer

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.

Question 5

17✔ 19212325

Revolt · Accepted Answer

B: ✔ 19

Question 6

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

A: Distance is the total amount they each walked.; B: Zamir took a longer path.; C: Their displacement is the difference from where they started and where they stopped.; D: Their displacement is the same because they both ended at the same position as they started.

Question 7

Assume each tick mark represents 1 cm.

Revolt · Accepted Answer

C: ✔ 2

Question 8

91013✔ 16

Revolt · Accepted Answer

D: ✔ 16

Question 9

✔ 02345

Revolt · Accepted Answer

A: ✔ 0

Question 10

greater thanless than✔ equal to

Revolt · Accepted Answer

C: ✔ equal to

Introduction to Motion Answers

More from this Course

TRY EDGENUITY HACKS