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

Author Question: A magnifying glass produces a virtual image. Indicate whether the statement is true or ... (Read 25 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
on: Jul 29, 2018
A magnifying glass produces a virtual image.
 
  Indicate whether the statement is true or false

Question 2

If a spherical galaxy of diameter 100,000 ly contained enough mass to be a black hole, what would be its mass?
 
  A)
 
  200 x 109 kg
  B)
 
  400 x 109 kg
  C)
 
  6.9 x 1023 kg
  D)
 
  3.2 x 1047 kg
  E)
 
  6.4 x 1047 kg


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kishoreddi

  • Sr. Member
  • ****
  • Posts: 329
    • Your online Help in Biology and chemistry
Reply #1 on: Jul 29, 2018
Answer to Question 1

TRUE

Answer to Question 2

D


waynest

  • Member
  • Posts: 553
Reply 2 on: Jul 29, 2018
Excellent

carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

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

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

A true albino squirrel. Note the pink eyes. A true albino squirrel. Note the pink eyes.
Magnetic resonance imaging (MRI) image demonstrating a back herniated disk. Magnetic resonance imaging (MRI) image demonstrating a back herniated disk.
Adapoids and omomyoids had longer snouts and are the first “true” primates. Adapoids and omomyoids had longer snouts and are the first “true” primates.
Edgar Degas, The Glass of Absinthe. Edgar Degas, The Glass of Absinthe.
The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ... The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ...
A little part of textbook image A little part of textbook image
Video: Metaphase I Animation

For a complete list of videos, visit our video library