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

Author Question: A girl standing on the ground observes a rocket ship move past her at half the speed of light. ... (Read 100 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
A girl standing on the ground observes a rocket ship move past her at half the speed of light. Compared to the rocket's length at rest, she sees the rocket's length as
 
  A) longer.
  B) shorter.
  C) the same length.

Question 2

An astronaut traveling forward at 0.87c holds a meterstick in spear-like fashion. This astronaut sees the spear's length as
 
  A) 0.5 m.
  B) 0.87 m.
  C) 1 m.
  D) 1.25 m.
  E) 1.5 m.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tmlewis4706

  • Sr. Member
  • ****
  • Posts: 295
Answer to Question 1

Thanks for the answer, I sent you a forum message for another one.

Answer to Question 2

Thanks for sharing, assignments makes me feel like end of world..




mrsjacobs44

  • Member
  • Posts: 500
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

For a complete list of videos, visit our video library