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

Author Question: The tail of a comet is primarily caused by A) radiation pressure. B) electromagnetic induction. ... (Read 77 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
on: Jul 27, 2018
The tail of a comet is primarily caused by
 
  A) radiation pressure.
  B) electromagnetic induction.
  C) Coulomb repulsion.
  D) eddy currents.
  E) nuclear magnetism.

Question 2

Approximately how soon might we expect an immediate response from a civilization that received the signal we sent to the globular cluster M13 (21,000 light-years away) in 1974?
 
  A) 84,000 years
  B) 21,000 years
  C) 10,500 years
  D) 42,000 years


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


danielfitts88

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure. The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure.
Spinal changes caused by osteoporosis. Spinal changes caused by osteoporosis.
The inguinal area. Take great care when applying deep pressure in this region The inguinal area. Take great care when applying deep pressure in this region
Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ... Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ...
The Visible Spectrum of Electromagnetic Energy The Visible Spectrum of Electromagnetic Energy
Physics - Density, Pressure, and Pascal's Principle Physics - Density, Pressure, and Pascal's Principle
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library