This topic contains a solution. Click here to go to the answer

Author Question: According to the consensus among those scientists who have studied the question, what is the ... (Read 30 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
According to the consensus among those scientists who have studied the question, what is the scientific status of the notion that Earth is now or was in the past visited by extraterrestrial life?
 
  A) Although extraterrestrial life is theoretically plausible, and there is observational evidence for it, most scientists still will not accept the conclusion that we have been visited because it seems too unconventional or kooky.
  B) Extraterrestrial life is theoretically plausible, and there is real observational evidence for it, which is why most scientists believe that we have been visited.
  C) Although there is no real evidence that Earth has been visited by extraterrestrials, extraterrestrial life is theoretically plausible.
  D) Extraterrestrial life is implausible on general theoretical grounds, and there is no real evidence that Earth has been visited by extraterrestrials.
  E) Although extraterrestrial life is implausible on general theoretical grounds, there is observational evidence for it.

Question 2

A proton is placed in an electric field of intensity 700 N/C. What are the magnitude and direction of the acceleration of this proton due to this field? (mproton = 1.67  10-27 kg, e = 1.60  10-19 C)
 
  A) 6.71  109 m/s2 opposite to the electric field
  B) 6.71  1010 m/s2 opposite to the electric field
  C) 6.71  1010 m/s2 in the direction of the electric field
  D) 67.1  1010 m/s2 opposite to the electric field
  E) 67.1  1010 m/s2 in the direction of the electric field



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CourtneyCNorton

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

C

Answer to Question 2

C




sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 29, 2018
Excellent


ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

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

For a complete list of videos, visit our video library