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

Author Question: Quasar's spectral lines are A) emission lines with large red shifts. B) a continuum from the ... (Read 118 times)

JMatthes

  • Hero Member
  • *****
  • Posts: 578
on: Jul 27, 2018
Quasar's spectral lines are
 
  A) emission lines with large red shifts.
  B) a continuum from the synchrotron radiation.
  C) fuzzy absorption lines from the merged light of the billions of stars.
  D) too complex for any interpretation.
  E) nonexistent, the gas so hot as to be totally ionized, so no lines are seen.

Question 2

In the formula E = mc2, what does E represent?
 
  A) the kinetic energy of a moving object
  B) the radiative energy carried by light
  C) the gravitational potential energy of an object held above the ground
  D) the mass-energy, or potential energy stored in an object's mass
  E) the electric charge of the object


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Melissahxx

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


JMatthes

  • Member
  • Posts: 578
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Albatrosses, of the biological family Diomedeidae, are large seabirds Albatrosses, of the biological family Diomedeidae, are large seabirds
Oil Refineries Are Large and Complex Facilities Oil Refineries Are Large and Complex Facilities
Middle adulthood can bring large-scale changes in lifestyle and interests, as illustrated by this ph Middle adulthood can bring large-scale changes in lifestyle and interests, as illustrated by this ph
Wassily Kandinsky, Black Lines (Schwarze Linien). Wassily Kandinsky, Black Lines (Schwarze Linien).
Sectoral Shifts Sectoral Shifts
As shown in the figure, a large open tank contains a layer of oil ( density 450 kg/m3) floating ... As shown in the figure, a large open tank contains a layer of oil ( density 450 kg/m3) floating ...
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library