A star is 21.6 light years from earth. How long would it take a spacecraft traveling 0.950c to reach that star as measured by observers?a. On earth (seconds)b Wn the spacecraft (seconds)c. what is the distance traveled according to observers on the spacecraft (meters)d. what will the spacecraft occupants compute their speed to be from the results of b and c?
Answers: 1
Physics, 21.06.2019 19:30
Describe the path of a ray that approaches a mirror parallel to the principal axis.
Answers: 2
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 23.06.2019 00:30
What practical value did astronomy offer to ancient civilizations?
Answers: 2
Physics, 23.06.2019 08:30
If we compare the force of gravity to strong nuclear force, we could conclude that
Answers: 1
A star is 21.6 light years from earth. How long would it take a spacecraft traveling 0.950c to reach...
English, 14.11.2019 09:31
Mathematics, 14.11.2019 09:31
World Languages, 14.11.2019 09:31
Mathematics, 14.11.2019 09:31
Mathematics, 14.11.2019 09:31
Chemistry, 14.11.2019 09:31
Chemistry, 14.11.2019 09:31
Chemistry, 14.11.2019 09:31
Mathematics, 14.11.2019 09:31
Spanish, 14.11.2019 09:31
Mathematics, 14.11.2019 09:31
Mathematics, 14.11.2019 09:31