« previous next »

Author Question: Astronaut Rob leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. ... (Read 121 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
Astronaut Rob leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. Rob's destination is a star system 14.4 light-years away (one light-year is the distance light travels in one year).
 
  Relative to a frame of reference that is fixed with respect to Earth, how long does it take Rob to complete the trip? A) 14.4 years
  B) 15.0 years
  C) 10.8 years
  D) 4.20 years
  E) 22.7 years

Question 2

The closest known star to our solar system is Alpha Centauri, which is approximately 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the earth travels from Earth to this star.
 
  (a) How much time would elapse during the trip on a clock on board the spaceship? (b) How much time would elapse during the trip on a clock on Earth?
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


stillxalice

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

(a) 3.23 y (b) 5.38 y


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Comparative sizes of the Earth and the Moon Comparative sizes of the Earth and the Moon
The Mass of Impacts on Earth The Mass of Impacts on Earth
Relative rate test, calibrating the molecular clock, and calculating divergence dates. Relative rate test, calibrating the molecular clock, and calculating divergence dates.
A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ... A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ...
Earth-Sun Relationships Earth-Sun Relationships
Earth’s Spheres Earth’s Spheres
Video: Genetic distance between human groups

For a complete list of videos, visit our video library