A teacher does the following: i. walks 2 m, south ii. walks 4 m, east iii. walks 2 m, north iv. walks 4 m, west.
The overall distance traveled by the teacher is _____.
0 m
6 m
12 m
... Nonsense! It cannot be calculated without knowing time information.
In terms of their definitions, an essential difference between displacement and distance is that _____.
distance has a direction and displacement has no direction
distance is a large number and displacement is a small number
distance is a scalar and displacement is a vector
displacement is a scalar and distance is a vector
none of these
For any given motion, the distance is _____.
the direction which an object moves
the scalar of the object's velocity
how far out of place which the object finishes relative to the starting location
the amount of ground which is covered by the moving object
A football coach starts at the 50-yard line (A) and walks east to the 10-yard line (B). He turns around and walks to the 40-yard line (C). He turns around again and walks back to the 0-yard line (D). He turns around once more and walks back to the 30-yard line (E, thus completing his 10 minutes of pacing. The couach's overall displacement is _____.
20 yd, east
20 yd, west
20 yd
50 yd, east
50 yd, west
50 yd
70 yd, east
70 yd, west
70 yd
80 yd, east
Grandma H challenges Michael Johnson in the 400-meter dash. Grandma H spins her wheelchair wheels five times and gives up 15 meters from the starting line. MJ makes a complete circle around the track and stops at the starting line. In this race, _____.
their distance values are the same
grandma Henderson has the greatest distance
Michael Johnson has the greatest distance
Neither has any distance since they start at rest and each eventually stop.
None of these.
A football coach starts at the 10-yard line and walks east to the 40-yard line. He turns around and walks to the 0-yard line. He turns around again and walks back to the 50-yard line. He turns around once more and walks back to the 25-yard line, thus completing his 10 minutes of pacing. The coach's overall distance is _____.
15 yd
60 yd, west
60 yd
85 yd, east
85 yd
145 yd, west
145 yd
A teacher does the following:
i. walks 4 m, south ii. walks 8 m, east iii. walks 4 m, north iv. walks 8 m, west.
The overall displacement of the teacher is _____.
For any given motion, displacement is _____.
the magnitude which the object moves