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 47 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
Wow, this really help


sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library