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# Marry and Chorge are talking about their friendship with a little tension between them. The little tension becomes huge fight after a while,?

Marry and Chorge are talking about their friendship with a little tension between them. The little tension becomes huge fight after a while, so the two felt angry with each other and Marry runs 22.0 m in a direction 60.0 ∘ west of north. Chorge runs 10.0 m in a direction 30.0 ∘ south of west. Then, they realize how ridicolus the fight was and they halt immediately, return each other.

A) Find the distance between Marry and Chorge when the moment they return each other?

B) What direction Marry must run to reach Chorge directly?

### 1 Answer

- NCSLv 75 months agoFavorite Answer
Welcome to Yahoo!Answers.

A) Use the law of cosines:

d² = 22.0² + 10.0² - 2*22.0*10.0*cos90º = 584

d = 24.2 m

(Actually, since the angle between their paths is 90º, you could just use the Pythagorean Theorem.)

B) For Θ the angle between her initial path and her return path,

sinΘ / 10.0 = sin90º / 24.2

sinΘ = 10.0 / 24.2 = 0.414

Θ = 24.4º

Add that to the angle her initial path makes with east (60º), and you get 84.4º South of East.

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