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Zepler [3.9K]
3 years ago
9

What is true of both gravity and magnetism?

Physics
1 answer:
stira [4]3 years ago
5 0

Explanation:

I want to say option B - Both forces can act without objects touching.

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C: Contacting the facilities.

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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
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Answer: 3

Explanation:

Given

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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
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Average speed can be represented by the mathematical expression
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v = \frac{d}{t}

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3 years ago
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