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sveta [45]
2 years ago
15

Explain why stars are unevenly distributed throughout the universe.

Physics
1 answer:
Norma-Jean [14]2 years ago
8 0
Stars are not spread uniformly across the universe but are normally grouped into galaxies along with interstellar gas and dust. A typical galaxy contains hundreds of billions of stars and there are more than 2 trillion galaxies
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Answer:

James Prescott Joule

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Marat540 [252]

Answer:

m_l=550\ kg is the mass of librarian.

Explanation:

Given:

  • mass of the system, m_s=3.3\times 10^{3}\ kg
  • velocity of librarian relative to the ground, v_l=2.5\ m.s^{-1}
  • velocity of the cart relative to the ground, v_c=0.5\ m.s^{-1}

N<u>ow using the principle of elastic collision:</u>

Net momentum of the system is zero.

m_l\times v_l=(3300-m_l)\times v_c

m_l\times 2.5=(3300-m_l)\times 0.5

m_l=550\ kg is the mass of librarian.

6 0
3 years ago
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The standard wave format for any wave is a (transverse a longitudinal an electromagnetic) wave. When depicting a (transverse a l
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<span>Very wild guess at this one, since I've no idea what "standard wave format" means. First gap would be TRANSVERSE. Second gap could be LONGITUDINAL, or SOUND. Third gap could be ELECTROMAGNETIC (the two possible waves being the ELECTRIC wave and the MAGNETIC wave). http://perendis.webs.com</span>
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What distance is a book from the floor if the book contains 196 joules if potential energy and has a mass of 5kg
vampirchik [111]

<span>196 Joules = (5Kg)(9.8 m/s2)(h)</span>

<span>(196 Joules /(5Kg)(9.8 m/s2) = h</span>

<span>196 Joules / 49 = h
<span>
 h = 4 meters

Hope this helped!!!! 


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6 0
3 years ago
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