What is the total displacement of a student who walks 3 blocks east, - ProProfs Discuss
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What is the total displacement of a student who walks 3 blocks east, 2 blocks north, 1 block west, and then 2 blocks south?



A. 2 blocks east
B. 2 blocks west
C. 8 blocks
D. 0

This question is part of Distance and Displacement Quiz
Asked by Bilbojaggens, Last updated: May 28, 2020

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5 Answers

J.Spencer

Knowledge Enthusiast, Knows A Lot of Stuff.

J.Spencer, Knowledge enthusiast, Tokyo

Answered Dec 26, 2018

The correct answer is Option A. 2 Blocks East.

N=2, S=(-2), E=3 and W=(-1)

Where N is north, S is south,E is East and W is West.

Total displacement= N+E+S+W

T.D.= 2+3+(-2)+(-1)

T.D= 2 in the Eastern direction

 

Danny R. Glover

Danny R. Glover, Editor, New York City

Answered Oct 15, 2018

Option A - 2 blocks East.
North (2) - South (2) = 0. North and South cancel each other.
East (3) - West (1) = 2.
The total displacement of a student who walk 2 blocks North, 2 blocks South, 3 blocks East and 1 block West is 2 blocks East.

 

adianiuyusgap

Adianiuyusgap

Answered Nov 07, 2017

0 (zero) is my answer because 3-2=1 1-1=0 0-2=0

 

John Adney

John Adney

Answered Oct 08, 2017

North and south cancle each other out. East and west are subtracted so the answer is 2 blocks East

 

bilbojaggens

Bilbojaggens

Answered Sep 15, 2017

2 blocks east
 

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