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 87 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
Wow, this really help


alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library