Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. Rachel's destination is a star system 14.4 light-years away (one light-year is the distance light travels in one year)
According to Rachel, how long does the trip take? A) 14 years
B) 15 years
C) 11 years
D) 4.2 years
E) 23 years
D
Physics & Space Science
You might also like to view...
If a car accelerates at a uniform 4.0 m/s2, how long will it take to reach a speed of 80 km/hr, starting from rest?
What will be an ideal response?
Physics & Space Science
Four identical 1.5-mF capacitors are connected together electrically. What is the least possible capacitance of the combination?
a. 3.0E–4 F b. 2.5E–4 F c. 3.8E–4 F d. 1.5E–3 F e. 6.7E–4 F
Physics & Space Science
An earthquake of what magnitude on the Richter scale is the smallest felt by humans?
a. 1 b. 2 c. 0 d. 4
Physics & Space Science
What do the orbits of Populations I and II stars tell us about the formation of the Milky Way?
What will be an ideal response?
Physics & Space Science