What pollutant forms when automobile emissions react with oxygen gas and ultraviolet rays?

1 answer:

6 0

Ozone is a molecule that consists of three oxygen atoms. When high-energy ultraviolet rays strike ordinary oxygen molecules (O2), they split the molecule into two single oxygen atoms, known as atomic oxygen. A freed oxygen atom then combines with another oxygen molecule to form a molecule of ozone. Hydrocarbons and nitrogen oxides come from great variety of industrial and combustion processes. Motor vehicle exhaust and industrial emissions, gasoline vapors, and chemical solvents are some of the major sources of NOx and VOC that acts as a precursor of ozone. In urban areas, the number of automobiles are more and therefore, more production of such harmful gases. These gases in presence of sunlight leads to the formation of bad ozone.

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In a vertical dive, a peregrine falcon can accelerate at 0.6 times the free-fall acceleration g (that is, at 0.6 g ) in reaching

anyanavicka [17]

The radius R of the turn is 1.984 km.

<u>Explanation:</u>

As the falcon is experiencing a centripetal motion, the acceleration exhibited by the falcon will be centripetal acceleration. The formula for centripetal acceleration is

$a=\frac{v^{2} }{R}$

Here a is the acceleration for centripetal motion, v is the velocity and R is the radius of the circular path.

As the centripetal acceleration is given as 0.6 g, the velocity is given as 108 m/s, then the radius of the path can be determined as

$0.6 \times 9.8=\frac{(108)^{2}}{R}$

$R=\frac{(108)^{2}}{0.6 \times 9.8}=\frac{11664}{5.88}=1983.67\ \mathrm{m}$

So, the radius of the turn is 1.984 km.

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In the picture below identify the type of wave in the top picture. *

Lerok [7]

Answer; transverse wave
Explanation;

In transverse waves the particles vibrate perpendicular to the wave's motion.

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Randy observed that cooked onions in his food taste very differently from the raw onions that he had on his salad. He wondered w

Travka [436]

It's called a hypothesis :D

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The levels of organization within an organism are atom, molecule, __________, tissue, __________, and organ system. (I am giving

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Answer: B) Cell and Organ

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What is the force required to produce a 1.4 Nm torque when applied to a door at a 60.0º angle and 0.40 m from the hinge?

Marysya12 [62]

Refer to the diagram shown below.

The component of the applied force perpendicular to the door is
F * sin(60°) = 0.866F N

Because the moment arm is 0.40 m, the torque is
(0.866F N)*(0.4 m) = 0.3464F N-m

This torque is equal to 1.4 N-m, therefore
0.3464F = 1.4
F = 4.04 N

Answer: 4.04 N

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4 years ago