Physics, 18.12.2020 06:50, abigaleschwartz

21. 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
a. Om
b. 6 m
c. 12 m
d. ... Nonsense! It cannot be calculated without knowing time information.

Answers: 3

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21. A teacher does the following: i. walks 4 m, south
ii. walks 8 m, east
iii. walks 4...