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White raven [17]
3 years ago
11

What is the original source of energy that drives the wind?

Physics
1 answer:
12345 [234]3 years ago
4 0
The sun is the original source of energy
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Three ropes A, B and C are tied together in one single knot K.
arsen [322]

The tension in the rope B is determined as 10.9 N.

<h3>Vertical angle of cable B</h3>

tanθ = (6 - 4)/(5 - 0)

tan θ = (2)/(5)

tan θ = 0.4

θ = arc tan(0.4) = 21.8 ⁰

<h3>Angle between B and C</h3>

θ = 21.8 ⁰ + 21.8 ⁰ = 43.6⁰

Apply cosine rule to determine the tension in rope B;

A² = B² + C² - 2BC(cos A)

B = C

A² = B² + B² - (2B²)(cos A)

A² = 2B² - 2B²(cos 43.6)

A² = 0.55B²

B² = A²/0.55

B² = 65.3/0.55

B² = 118.73

B = √(118.73)

B = 10.9 N

Thus, the tension in the rope B is determined as 10.9 N.

Learn more about tension here: brainly.com/question/24994188

#SPJ1

8 0
2 years ago
Read 2 more answers
Equations of motion ?​
kirill [66]

Explanation:

There are five equations of motion:

v = at + v₀

Δx = v₀ t + ½ at²

Δx = ½ (v + v₀)t

v² = v₀² + 2aΔx

Δx = vt − ½ at²

Δx is the displacement

v₀ is the initial velocity

v is the final velocity

a is the acceleration

t is time

4 0
3 years ago
A potential difference of 71 mV is developed across the ends of a 12.0-cm-long wire as it moves through a 0.27 T uniform magneti
Dafna1 [17]

Answer:

Explanation: please see attached file I attached the answer to your question.

7 0
3 years ago
If a positively charged ion is more concentrated outside the cell, the forces required to balance the chemical gradient would be
galben [10]

Answer: If a positively charged ion is more concentrated outside the cell, the forces required to balance the chemical gradient would be directed OUTWARD. Thus, the equilibrium potential for this ion would be POSITIVELY charged. The correct answer is OUTWARD: POSITIVELY.

Explanation: Usually across a cell membrane there is a force that acts on it which is as a result of unequal distribution of charges. This force is known as electrochemical driving force. It is determined by the difference between the membrane potential ( that is, the electrical potential difference across the cell membrane) and the ion equilibrium potential. The membrane potential of a cell helps in signal transmission between different parts of the cell and results when there is unequal distribution across the cell.

Therefore If a positively charged ion is more concentrated outside the cell, the forces required to balance the chemical gradient would be directed outward.Thus, the equilibrium potential for this ion would be positively charged.

8 0
2 years ago
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What color is absorbed when we see a yellow flower?
svlad2 [7]
Pretty much all other colors except yellow are absorbed.
6 0
3 years ago
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