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3 years ago

I WILL GIVE BRAINLIEST

1 answer:

4 0

A. Air, desk, water. sound travels the slowest through air and the fastest through liquids. solids are somewhere in the middle.

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Two clouds collide and form another, more massive cloud. One cloud is stationary, while the other is traveling at 1 m/s. After t

sweet [91]

Answer: 3

Explanation:

Given

One cloud is traveling at rate of $u_2=1\ m/s$

combined velocity of the two is $v=0.25\ m/s$

Suppose the masses of the clouds be $m_1,m_2$

Conserving momentum

$\Rightarrow m_1u_1+m_2u_2=\left(m_1+m_2\right)v\\\text{Divide whole equation by }m_2\\\Rightarrow \dfrac{m_1}{m_2}u_1+u_2=\left(\dfrac{m_1}{m_2}+1\right)v\\\\\Rightarrow 0+1=0.25\dfrac{m_1}{m_2}+0.25\\\\\Rightarrow \dfrac{m_1}{m_2}=\dfrac{0.75}{0.25}\\\\\Rightarrow \dfrac{m_1}{m_2}=3$

6 0

3 years ago

Which two statements are true about the wave shown?

Andreyy89

Answer:

B and C

Explanation:

7 0

3 years ago

Read 2 more answers

Help. I need to find the degree using the sine law.

Marina CMI [18]

Use pythagorean theorem
$a ^{2} + b {}^{2} = c {}^{2}$
to find the opposite side, which is 7.3

so then you can just use inverse sinA=7.3/10 which equals 46.9 degrees

4 0

3 years ago

What cause-and-effect relationship is described in this

nydimaria [60]

The term cause and effect relationship relates to a situation where an effect is directly traceable to a cause.

<h3>What is cause and effect relationship?</h3>

The term cause and effect relationship relates to a situation where an effect is directly traceable to a cause. The question is incomplete and the article was not mentioned.

A typical example of cause and effect relationship is that increased fossil fuel use is leading to a rise in the average temperature of the planet.

Learn more about cause and effect: brainly.com/question/3302065

8 0

2 years ago

While running around the track at school, Milt notices that he runs due East on the 100m homestretch and due West on the 100m ba

Yuri [45]

Answer a would be correct since velocity is a vector and has a magnitude and a direction. In this case v₁ = - v₂.

8 0

3 years ago

Read 2 more answers