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Aloiza [94]
3 years ago
9

In extremely large​ forests, it is not​ cost-effective to position forest rangers in towers or to use small aircraft to continua

lly watch for fires. Since lightning is a frequent cause of​ fire, lightning detectors are now commonly used instead. These devices not only give a bearing on the location but also measure the intensity of the lightning. A detector at point Q is situated 11 miles west of a central fire station at point R. The bearing from Q to where lightning hits due south of R is S37.3​°E. How far is the hit from point​ R?

Physics
1 answer:
Sati [7]3 years ago
3 0

Answer:

Point R is at 14.28 miles.

Explanation:

According to the attached image:

Q = 90 - 37.6 = 52.4°

Using the tangent property:

tanθ = s/11

s = 11 * tanθ = 11 * tan52.4 = 14.28 miles

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Which of the following are for vector directione?
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Answer:
C. outside 45 degrees
Step-by-step explanation:
C. outside 45 degrees
because it can be any point or direction outside 45 degrees
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2 years ago
Identify evidence that supports the theories of continental drift and plate tectonics. put responses in the correct input to ans
GenaCL600 [577]

The evidence that supports continental drift and plate tectonics includes different fossils, the same rocks and the shapes of continents that fit together.

<h3>What is continental drift?</h3>

Continental drift is a theory that states continents once were part of one big landmass known as Pangea.

Nowadays, the theory of continental drift proposed by Alfred Wegener has been replaced by plate tectonics.

In conclusion, the evidence that supports continental drift and plate tectonics includes fossils, the same rocks and the shapes of continents that fit together.

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6 0
2 years ago
If a student is walking against the wind, would the student be traveling faster or slower than a person walking with the wind an
Ivahew [28]

Answer:

Slower

Explanation:

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5 0
3 years ago
Raj is trying to make a diagram to show what he has learned about nuclear fusion.
KIM [24]

No, he should place the He atom and energy on the right, and the H atoms and the heat and energy on the left.

6 0
3 years ago
Read 2 more answers
It's nighttime, and you ve dropped your goggles into a 3.2-m-deep swimming pool. If you hold a laser pointer 0.90 m above the ed
yanalaym [24]

Answer:

The distance of the goggle from the edge is 5.30 m

Explanation:

Given:

The depth of pool (d) = 3.2 m

let 'i' be the angle of incidence

thus,

i = tan^{-1}(\frac{2.2}{0.90})

i = 67.75°

Now, Using snell's law, we have,

n₁ × sin(i) = n₂ × 2 × sin(r)

where,

r is the angle of refraction

n₁ is the refractive index of medium 1 = 1 for air

n₂ is the refractive index of medium 1 = 1.33 for water

now,

1 × sin 67.75° = 1.33 × sin(r)

or

r = 44.09°

Now,  

the distance of googles = 2.2 + d×tan(r)  = 2.2 + (3.2 × tan(44.09°) = 5.30 m

Hence, <u>the distance of the goggle from the edge is 5.30 m</u>

5 0
3 years ago
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