« previous next »

Author Question: Astronaut Rob leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. ... (Read 130 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?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Location of the Planets Relative to the Sun Location of the Planets Relative to the Sun
Ocean cover most of Earth’s surface Ocean cover most of Earth’s surface
Earth’s Layered Structure Earth’s Layered Structure
Earth-Moon-Sun Positions during the Spring Tide Earth-Moon-Sun Positions during the Spring Tide
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves. People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.
Gravitational Potential Energy for the Earth problem Gravitational Potential Energy for the Earth problem
Video: Introduction to Spirometry

For a complete list of videos, visit our video library