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

Author Question: One line of evidence supporting the big bang theory is A) the nuclear fission products observed ... (Read 83 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
One line of evidence supporting the big bang theory is
 
  A) the nuclear fission products observed in our galaxy are just what is predicted by the big bang theory.
  B) the density of galaxies observed in the universe is just what is predicted by the big bang theory.
  C) the observed abundance of very heavy elements in our galaxy is just what is predicted by the big bang theory.
  D) neutron stars have just the masses and frequencies of rotation that are predicted by the big bang theory.
  E) the observed abundance of very light elements in our galaxy is just what is predicted by the big bang theory.

Question 2

A toy rocket that weighs 10 N blasts straight up from ground level with an initial kinetic energy of 40 J. At the exact top of its trajectory, its total mechanical energy is 140 J.
 
  To what vertical height above the ground does it rise, assuming no air resistance?
  A) 10 m B) 24 m C) 1.0 m D) 14 m



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

braelync

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

E

Answer to Question 2

A




tsand2

  • Member
  • Posts: 520
Reply 2 on: Jul 29, 2018
Excellent


anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

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

For a complete list of videos, visit our video library