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asambeis [7]
3 years ago
13

What happens when the temperature of the air cools?

Physics
1 answer:
SVETLANKA909090 [29]3 years ago
4 0

Answer:

Option B

Explanation:

Water rises into the atmosphere in the form of water vapor. Water vapor is a gas, which means that  solid or liquid water must receive enough heat energy from the Sun to change into gas.

First, the water vapor condenses. Condensation is the change of water from gas  form to liquid form. When water vapor in the atmosphere loses heat and cools down, condensation  happens. As the water vapor cools down and condenses, it attaches to small particles of dust floating  in the atmosphere, forming tiny liquid water droplets. These liquid water droplets are so small that they can float in the atmosphere. This is what forms clouds.When condensation occurs on the ground, it  forms dew. You can see dew on grass early in the morning when temperatures are cool.

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How can we protect space shuttles or astronauts from space radiation in the absence of the atmospheric layer?
antiseptic1488 [7]

Answer:

1. In general, the best shields will be able to block a spectrum of radiation. Aboard the space station, the use of hydrogen-rich shielding such as polyethylene in the most frequently occupied locations, such as the sleeping quarters and the galley, has reduced the crew's exposure to space radiation.

2. It absorbs harmful ultraviolet radiation from the sun, helps keep Earth's surface warm via the greenhouse effect, and reduces temperature extremes between day and night. ... So, thanks to gravity, although some of Earth's atmosphere is escaping to space, most is staying here.

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3 0
3 years ago
20% of injury crashes in 2009 involve the reports of distracted driving. True or false
Ivan

The statement is true.

5 0
2 years ago
Is O2 classified as a compound?
dybincka [34]

Answer: NO.

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3 0
3 years ago
15 points! An atomic nucleus initially moving at 420 m/s emits an alpha particle in the direction of its velocity, and the remai
alexandr1967 [171]

The alpha particle is emitted at 4235 m/s

Explanation:

We can use the law of conservation of momentum to solve the problem: the total momentum of the original nucleus must be equal to the total momentum after the alpha particle has been emitted. Therefore:

p_i = p_f\\ Mu=m_1 v_1 + m_2 v_2 =  

where:  

M =222u is the mass of the original nucleus

v=420 m/s is the initial velocity of the nucleus

m_1 = 4 u is the mass of the alpha particle

v_1 is the final velocity of the alpha particle

m_2 = 222u-4u = 218 u is the mass of the daughter nucleus

v_2 = 350 m/s is the final velocity of the nucleus

Solving for v_1, we  find the final velocity of the alpha particle:

v_1 = \frac{Mu-m_2 v_2}{m_1}=\frac{(222)(420)-(218)(350)}{4}=4235 m/s

Learn more about momentum:

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3 years ago
How does a rubber rod become negatively charged through friction?
stira [4]
I think it is c I'm only in 7th grade but I'm pretty sure that the answer is c
5 0
3 years ago
Read 2 more answers
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