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

Author Question: The end of the last snowball Earth phase roughly coincides with A) the beginning of the Cambrian ... (Read 79 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


alvinum

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

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

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Earth Latitude Tilt Earth Latitude Tilt
The Cambrian explosion and the Burgess Shale The Cambrian explosion and the Burgess Shale
Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Earth Atmosphere Earth Atmosphere
Happy earth day jk kid drawing Happy earth day jk kid drawing
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library