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sertanlavr [38]
3 years ago
7

Carbon dioxide and water molecules in the atmosphere will absorb:

Physics
1 answer:
alukav5142 [94]3 years ago
7 0

For CO2 we know that it has a useful life in the atmosphere of the earth, sometimes long. Carbon dioxide has the ability to absorb energy with a wavelength of 15 µm, this makes carbon dioxide a good absorbent of wavelengths that are in this range, such as infrared radiation for example .

At the same time the water vapor has the capacity to absorb the radiation in a 50 µm and 2.9 µm spectrum, infrared radiation fluctuates over the same range.

Therefore the correct answer is A.

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What is a safety precaution that should be taken when measuring the volume of an irregular object?
Goshia [24]

Answer:

The spillage of water

<em>PRECAUTION</em><em>:</em> Keep eureka can away from table edges and collect the displaced water in a measuring cylinder

3 0
3 years ago
In a closed system with no friction, a red sphere of 2.5 kg stands stationary. A blue sphere with a mass of 5.8 kg approaches th
Ipatiy [6.2K]

Answer:

m1 = the mass of the blue sphere = 5.8 kg

m2 = the mass of the red sphere = 2.5 kg

v1 = initial velocity of the blue sphere before the collision = 4.1 m/s

v2 = initial velocity of the red sphere before the collision = 0 m/s

v'1 = final velocity of the blue sphere after the collision = 1.3 m/s

v'2 = final velocity of the red sphere after the collision = ?

using conservation of momentum

m1v1 + m2v2 = m1v'1 + m2v'2

(5.8) (4.1) + (2.5) (0) = (5.8) (1.3) + (2.5) (v'2)

23.78 = 7.54 + (2.5) (v'2)

-7.54    -7.54

16.24 = (2.5) v'2

---------   -----------

 2.5         2.5

v'2 = 6.5

Explanation:

5 0
3 years ago
Earthquakes are caused by movement of the Earth's crust. What causes the Earth's crust to move?
fomenos

Answer:

B

Explanation:

The heat from radioactive processes within the planet's interior causes the plates to move, sometimes toward and sometimes away from each other. This movement is called plate motion, or a tectonic shift.

8 0
3 years ago
Read 2 more answers
Which one of the following is the general equation for a single-displacement reaction?
azamat

Answer: A. AB + C → AC + B

Explanation:

A single displacement reaction is also known as single replacement reaction. A reaction in which an element replaces another element from the compound is known as single displacement reaction.

AB + C → AC + B

Here, element C replaces another element B from compound AB.

Thus, option A represents is a general equation for a single displacement reaction

Option B represents a double displacement reaction where one element of a compound replaces another element of another compound and vice-versa, option C is a synthesis reaction where two reactants or more combine to form one product. Option D is a decomposition reaction in which multiple products are formed from a single reactant.

8 0
3 years ago
A sound wave with a power of 8.8 × 10–4 W leaves a speaker and passes through section A, which has an area of 5.0 m2. What is th
statuscvo [17]
The intensity of the sound wave is defined as the ratio between the power of the wave and the area through which the wave passes:
I= \frac{P}{A}
where
I is the intensity
P is the power
A is the area

If we use the data of the problem, P=8.8 \cdot 10^{-4}W and A=5.0 m^2, we find the intensity of the sound wave:
I= \frac{P}{A}= \frac{8.8 \cdot 10^{-4} W}{5.0 m^2}=1.76 \cdot 10^{-4} W/m^2
6 0
3 years ago
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