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Nikitich [7]
3 years ago
14

What must occur before clouds can form?

Physics
2 answers:
34kurt3 years ago
7 0
Condensation of water vapor
Flauer [41]3 years ago
5 0
The water vapor must lose heat energy
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Which of the following takes place during a double displacement reaction?
bogdanovich [222]
Double displacement: parts of compounds switch places to form two new compounds

FYI
decomposition: a complex substance breaks down into two or more simple substances

Single displacement: a single substance replaces another substance in a compound

<span>Synthesis: two simple substances combine to form a new complex substance</span>
4 0
3 years ago
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A Net Force of 9.0 N acts through a distance of 3.0 m in a time of 3.0 s. The work done is?
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Work done is the distance a force acts over.

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A sound wave with a frequency of 400 Hz is moving through a solid object. If the wavelength of the sound wave is 8 m, what is th
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v = 3200 m/s

Explanation:

As we know that the frequency of the sound wave is given as

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wavelength of the sound wave is given as

\lambda = 8 m

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speed = wavelength \times frequency

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v = (8m) \times (400 Hz)

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4 0
3 years ago
A 100 kg cart goes around the inside of a vertical loop of a roller coaster. The radius of the loop is 3 m and the cart moves at
Sphinxa [80]

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200 N

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By what factor will the acceleration of an object change its mass stays constant but the force acting on it triples
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Answer:

lacceleration is given by

a=F/m

With force acting on the object remained constant ,the acceleration is inversly proportional to mass of the object i.e with increase in mass =>acceleration decreases and with decrease in mass => acceleration increases.

a)

acceleration decreases

b)

acceleration increase

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