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Bad White [126]
4 years ago
12

Part of the suns energy that reaches the Earths surface is absorbed by land and water as heat. The earths surface then releases

heat back into the atmosphere
Which of the following is true about this solar energy that is absorbed and released by Earths surface as heat?

A. Much of the heat is trapped low in the atmosphere and is a major factor in determining Earths climate.

B. Much of the heat is trapped at the top of the earths atmosphere to protect earth from ultraviolet radiation.

C. All of this heat escapes earths atmosphere, which keeps the planet hot.

D. All of this heat escapes the earths atmosphere, which keeps the planet cool.
Physics
1 answer:
IceJOKER [234]4 years ago
3 0

Answer: i think A is the answer

Explanation:

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When its 75 kW (100 hp) engine is generating full power, a small single-engine airplane with mass 700 kg gains altitude at a rat
svlad2 [7]

Answer:

343/1500

Explanation:

Power: This can be defined as the product force and velocity. The S.I unit of power is Watt (w).

From the question,

P' = mg×v................. Equation 1

Where P' = power used to gain an altitude, m = mass of the engine, g = acceleration due to gravity of the engine, v = velocity of the engine.

Given: m = 700 kg, v = 2.5 m/s, g = 9.8 m/s²

Substitute into equation 1

P' = 700(2.5)(9.8)

P' = 17150 W.

If the full power generated by the engine = 75000 W

The fraction of the engine power used to make the climb = 17150/75000

= 343/1500

8 0
3 years ago
What is the correct answer?
Anna35 [415]

Answer:3

Explanation:

8 0
3 years ago
What is a wavelength and give me a sentence with that word
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4 0
3 years ago
A motorboat accelerates uniformly from a velocity of 6.5m/s to the west to a velocity of 1.5m/s to the west. if its accelerate w
grigory [225]
A motorboat accelerates uniformly from a velocity of 6.5m/s to the west to a velocity of 1.5m/s to the west. if its accelerate was 2.7m/s2 to the east , how far did it travel during the accelration? Give your answer in units of kilometers per hour/sec. To find the acceleration of the car we have to <span>
1.   First determine the suitable formula for this word problem.
Which is a.   A=vf-vi/t</span> which will be  
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7 0
3 years ago
A physical quantity that is described as a measure of the resistance of a body to a change in motion is called. .​
kifflom [539]

Answer:

The mass is the resistance to the acceleration of a moving object.

Explanation:

hope it helps

7 0
3 years ago
Read 2 more answers
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