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Advocard [28]
3 years ago
5

Which term names a large collection of stars, often billions, grouped together in the universe? A. supernova B. nebula C. solar

system D. galaxy
Physics
2 answers:
larisa [96]3 years ago
8 0
It would be D. Galaxy 
garik1379 [7]3 years ago
5 0
D. Galaxy hope this helped=)
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Answer:

Period is 86811.5 seconds.

Explanation:

{ \boxed{ \bf{T {}^{2} =  (\frac{4 {\pi}^{2} }{GM}) {r}^{3}   }}}

{ \tt{T {}^{2}  =  \frac{4 {(3.14)}^{2} }{(6.6 \times  {10}^{ - 11} ) \times (5.98 \times  {10}^{24} )} \times  {((35880\times  {10}^{3}) } + (6370 \times  {10}^{3} )) {}^{3}   }} \\  \\ { \tt{T {}^{2}  =  7.54 \times {10}^{9} }} \\ { \tt{T =  \sqrt{7.54 \times  {10}^{9} } }} \\ { \tt{T = 86811.5 \: seconds}}

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3 years ago
Calculate a pendulum's frequency of oscillation (in Hz) if the pendulum completes one cycle in 0.5 s.
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An ice cube floats in a glass of water. will cold flow from ice into the water
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