This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The best explanation for the activity at the center of the galaxy is a(n) ____. a. supercluster ... (Read 59 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

d


WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jul 27, 2018
Gracias!

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

The Host Galaxy of a Gamma-Ray Burst The Host Galaxy of a Gamma-Ray Burst
Peculiar Galaxy NGC 5128 (Centaurus A) Peculiar Galaxy NGC 5128 (Centaurus A)
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
The activity recorded by PET scans during the performance of newly learned and well-practiced ... The activity recorded by PET scans during the performance of newly learned and well-practiced ...
Conventional view of economic activity Conventional view of economic activity
Lymphocyte Activity in a Lymph Node Lymphocyte Activity in a Lymph Node
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library