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

Author Question: One line of evidence supporting the big bang theory is A) the nuclear fission products observed ... (Read 96 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


tsand2

  • Member
  • Posts: 520
Reply 2 on: Jul 29, 2018
Wow, this really help

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

The Crab Nebula, remnants of a supernova that was first observed around 1050 AD The Crab Nebula, remnants of a supernova that was first observed around 1050 AD
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M
How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ... How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ...
Observed global land and ocean surface temperature anomalies since 1850 Observed global land and ocean surface temperature anomalies since 1850
Psychodynamic Theory Psychodynamic Theory
Video: Genetic distance between human groups

For a complete list of videos, visit our video library