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2 years ago

A girl runs 40 m, west, 50 m south, 60 m, east. what is his net displacement?

1 answer:

5 0

The displacement of the girl which the relative change in her position from her starting point. Therefore, the shortest distance between her initial and final position is 58.85 m North - West

From the sketch of the girls movement attached below, the displacement of the girl can be calculated thus :

Using Pythagoras :

Displacement, d = √(50² + 20²)

d = √(2500 + 400)

d = √2900

d = 53.851

Therefore, the displacement of the girl, which is the shortest distance between her current position and starting position is 53.85 meters NW.

Learn more :brainly.com/question/1021211

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1 year ago

An angle is 77º. What is the measure of its supplement?

blondinia [14]

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Angles are measure of rotation, along with its direction of rotation. The supplement angle of 77° is 103°

How to find the supplement angle of an angle?

Supplement angle of an angle is such that sum of both of them comes as 180°

Thus, if an angle is of A°, then its supplementary angle is 180° - A°

For the given case, we let the first angle be of A° = 77°, then its supplementary angle with measure B° is:

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2 years ago