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

Author Question: The end of the last snowball Earth phase roughly coincides with A) the beginning of the Cambrian ... (Read 67 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
The end of the last snowball Earth phase roughly coincides with
 
  A) the beginning of the Cambrian period which produced an explosion in diversity of life
  B) the appearance of modern hominids
  C) migration of life from the oceans onto land
  D) the appearance of the dinosaurs

Question 2

Using the velocity transformation formula, calculate the speed in the rest frame of a particle which is seen to be moving at c in a moving frame.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alvinum

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

A

Answer to Question 2

u = (v+u')/(1+vu/c2 ) = (v+c)/(1+vc/c2 ) = c(v+c)/(c+v) = c
Light speed in one frame will be light speed in all inertial frames.



dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
Both answers were spot on, thank you once again



alvinum

  • Sr. Member
  • ****
  • Posts: 317

 

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?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

For a complete list of videos, visit our video library