Astronaut Spud Nick is space-traveling from planet X to planet Y at a speed of 0.60c relative to the planets, which are at rest relative to each other
When he is precisely halfway between the planets, a distance of 1.0 light-hour from each one as measured in the planet frame, nuclear devices are detonated on each planet. The explosions are simultaneous in the frame of the planets. What is the difference in the time of arrival of the flashes from the explosions as observed by Spud?
A) 300 min
B) 150 min
C) 75 min
D) 0 min
E) 113 min
E
You might also like to view...
In the halo, we do NOT find
A) tidal streams. B) globular clusters. C) small satellite galaxies. D) spiral arms. E) old white dwarfs.
The flatness problem and horizon problem
a. are solved if there was a sudden inflation of the Universe at time before recombination occurred. b. show that the Universe can be described as static and unchanging. c. show that dark matter must be a small fraction of the total mass of the Universe. d. imply that the Universe was once much colder than it is now. e. imply that the inflationary theory is incorrect.
If a piece of wood is suspected to be several thousand years old, its true age can likely be determined through use of the isotope _________
Fill in the blank(s) with correct word
The Sun is rising in the east and will be on your meridian in 2 hours. What time is it?
A) 2 A.M. B) 2 P.M. C) 10 A.M. D) 10 P.M. E) noon