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

Author Question: Hydrogen must be raised to a high temperature before it will fuse. This is because A) fusion and ... (Read 92 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
Hydrogen must be raised to a high temperature before it will fuse. This is because
 
  A) fusion and all other forms of chemical combustion must be initiated by high temperatures.
  B) this reaction consumes more thermal energy than it produces.
  C) high temperatures are needed to overcome the strong nuclear force between hydrogen nuclei.
  D) this reaction must consume a large amount of thermal energy in order to produce nuclear energy.
  E) high temperatures are needed to overcome the electric repulsion between hydrogen nuclei.

Question 2

A 1-kg ball is thrown straight up at 10 m/s. Neglecting air resistance, the net force that acts on the ball when it is halfway to the top of its path is
 
  A) 1/2 N.
  B) 1 N.
  C) 5 N.
  D) 7.5 N.
  E) 10 N.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stillxalice

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

E

Answer to Question 2

Answer: E




moongchi

  • Member
  • Posts: 516
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

For a complete list of videos, visit our video library