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kherson [118]
3 years ago
12

A jogger runs 5.0 km on a straight trail at an angle of 60° south of west. What is the southern component of the run rounded to

the nearest tenth of a kilometer?
Physics
2 answers:
harkovskaia [24]3 years ago
8 0

Answer:

The work for the previous answer is correct, however, since the final velocity is in the southward direction, the answer is -4.3.

Explanation:

Edgenuity will tell you this is the correct answer as well.

liberstina [14]3 years ago
6 0
60 ° is the angle between W- direction and the run direction.

You need the angle betwee S-direction and the run direction. This is 90° - 60° = 30 °.

By geometry you can trace a right triangle, where the S-component is the adyacent side and the run  is the hypotenuse.

Then cos 30° = adyacent side / hypotenuse = S-component / run

Then S-component = run * cos 30° = 5.0 km * 0.866 = 4.3 km

Answer: 4.3 km
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