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Karo-lina-s [1.5K]
3 years ago
7

To get to his office from home, Greg walks 6 blocks north and then 3 blocks east. After work he meets some friends at a cafe; to

get there he walks 3 blocks south and 7 blocks west. All blocks are 660 feet long. What is the straight-line distance from the cafe to his home?

Mathematics
1 answer:
Nataly [62]3 years ago
7 0

Answer:

total distance  = 3300 ft

Step-by-step explanation:

we know here displacement S is  in vector form that is

\vec{S} = \vec{S1} +\vec{S2}+\vec{S3}+\vec{S4}   ......................1

\vec{S} = (3\hat{i}+6\hat{j}) + (-7\hat{i}-3\hat{j})

and

\vec{S} =(-4\hat{i}+3\hat{j})

and

magnitude is

\left| \vec{S} \right| = \sqrt{(-4)^2+3^2}

\left| \vec{S} \right| = \sqrt{25}

\left| \vec{S} \right| = 5

so here distance from home to cafe is

S = 5 × 660

total distance  = 3300 ft

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