Question

The vectors 5i + 8 j and 2i + 7 j are added. The magnitude of the sum of these vector is



pls answer fast​

Answer 1

Answer:

Explanation:

add the vectors first,

5i+2i=7i and 8j+7j=15j

7i+15j=x+y

magnitude=√x²+y²

x=7 and y=15

magnitude=√7²+15²

magnitude=√49+225

magnitude=√274

magnitude=16.55°

Answer 2

Answer:

SUM 》》 7i + 15 j

MAGNITUDE OF THE SUM

$\sqrt{7</u><u> + 15</u><u>} \: = \sqrt{49 + 225}$

$\sqrt{274}$

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