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

Author Question: The observed relativistic length of a super rocket moving by the observer at 0.57c will be what ... (Read 111 times)

B

  • Hero Member
  • *****
  • Posts: 570
on: Jul 28, 2018
The observed relativistic length of a super rocket moving by the observer at 0.57c will be what factor times that of the measured rocket length if it were at rest?
 a. 0.82
  c. 1.4
  b. 0.45
  d. 0.71

Question 2

A spaceship is moving away from an observer at relativistic speed. Its length at rest is 100 m, but the observer measures its length as 67 m. A time interval of 100 s on the spaceship would be measured by the observer to be which of the following?
 a. 200 s
  c. 50 s
  b. 150 s
  d. 100 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dawsa925

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


B

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 28, 2018
Thank you!


dawsa925

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
The spotted wobbegong is the largest wobbegong shark, reaching a length of around 3 m The spotted wobbegong is the largest wobbegong shark, reaching a length of around 3 m
Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2 Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2
Open palmar friction moving back and forth over the lumbar and thoracic regions. Open palmar friction moving back and forth over the lumbar and thoracic regions.
Observed change in surface temperature from 1901 to 2012 Observed change in surface temperature from 1901 to 2012
Exceptional progeny observed by Calvin Bridges Exceptional progeny observed by Calvin Bridges
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library