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

Author Question: The minimum energy needed to produce a positron is a. 3 MeV b. 2 MeV c. 1 MeV d. 4 MeV e. 0.51 ... (Read 48 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Jul 28, 2018
The minimum energy needed to produce a positron is
 a. 3 MeV
  b. 2 MeV
  c. 1 MeV
  d. 4 MeV
  e. 0.51 MeV

Question 2

On September 22 or 23, the noonday Sun is overhead at what latitude?
 a. 0
  b. 23.5N
  c. 23.5S
  d. That of the Tropic of Cancer


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

snackralk

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Jul 28, 2018
Answer to Question 1

e

Answer to Question 2

a


hbsimmons88

  • Member
  • Posts: 526
Reply 2 on: Jul 28, 2018
Wow, this really help

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Excellent

« 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?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

How genes produce proteins that determine traits in a simple dominant-recessive relationship. How genes produce proteins that determine traits in a simple dominant-recessive relationship.
Sources of Energy in the United States Sources of Energy in the United States
How to find the maximum and minimum of a quadratic relation How to find the maximum and minimum of a quadratic relation
The Energy Sector The Energy Sector
Type of Interactions, Model, Examples and Dependence of Energy on Distance Type of Interactions, Model, Examples and Dependence of Energy on Distance
Comparison of energy consumption in developing and industrialized nations Comparison of energy consumption in developing and industrialized nations
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

For a complete list of videos, visit our video library