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

Quizplus · Accepted Answer

The time taken is calculated using the formula: time = distance/speed. The distance is 14.4 light-years, and the speed is 0.960c. Thus, time = 14.4 / 0.960 = 15.0 years.

Astronaut Rob Leaves Earth in a Spaceship at a Speed