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

Author Question: You are racing away from Earth in a super space ship in which you can continually increase your ... (Read 20 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
You are racing away from Earth in a super space ship in which you can continually increase your speed by firing engines that never quit. Which of the following best explains how people on Earth will perceive your speed?
 
  A) They will see your speed getting closer and closer to the speed of light, but never reaching it.
  B) They will know you are going very fast, but will have no way to know if you ever exceed the speed of light.
  C) They will see you speed up until you reach the speed of light, and then your speed will remain constant after that.
  D) They will see you going faster and faster until you reach the speed of light, and after that they won't be able to see you any more.

Question 2

We can study how galaxies evolve because
 
  A) galaxies are transparent to visible light.
  B) we are really smart astronomers.
  C) we can watch as they interact in real time.
  D) the farther away we look, the further back in time we see.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bblaney

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

A

Answer to Question 2

D




Pea0909berry

  • Member
  • Posts: 573
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library