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Ganezh [65]
3 years ago
13

A movie theater is 4 kilometers east and 2 kilometers south of your house.

Physics
2 answers:
kkurt [141]3 years ago
8 0
A) (4,-2) is the theater
B) (-1,1) is the restaurant
Alexxandr [17]3 years ago
7 0

a. (+4, -2)

We can use the following conventions:

- x-axis: east-west direction, with east being positive x and west being negative x

- y-axis: north-south direction, with north being positive y and south being negative y

With this coordinates, the movie theater is:

- 4 km east --> this means x = +4

- 2 km south --> this means y = -2

So, the coordinates of the theater are (+4,-2)


b. (-1,+1)

We drive 5 km west (which means \Delta x = -5) and 3 km north (which means \Delta y = +3). We have to add these displacements to each coordinate. we find:

x'= x_0 + \Delta x = +4 + (-5) = -1\\y' = y_0 + \Delta y = -2 + (+3)=+1

So, the coordinates of the restaurant are (-1, +1)


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