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Author Question: The best explanation for the activity at the center of the galaxy is a(n) ____. a. supercluster ... (Read 39 times)

WhattoUnderstand

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on: Jul 27, 2018
The best explanation for the activity at the center of the galaxy is a(n) ____.
 
  a. supercluster of O and B stars
 b. black hole with a mass several thousand times the Sun's
 c. giant atomic hydrogen cloud energized into a single, massive emission nebula
  d. black hole with a mass several million times the Sun's
 e. exotic object known as a magnetar

Question 2

An object's momentum is equal to its ____.
 
  a. acceleration multiplied by its mass
 b. acceleration divided by its weight
 c. velocity multiplied by the gravitational constant
  d. velocity multiplied by its mass
 e. velocity divided by its weight


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missalyssa26

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Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

d


WhattoUnderstand

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Reply 2 on: Jul 27, 2018
Excellent

Jossy

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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