Chapter 36: Q. 6 (page 1059)
A starship blasts past the earth at . Just after passing the earth, it fires a laser beam out the back of the starship. With what speed does the laser beam approach the earth?
The speed will be speed of light C.
Over 30 million students worldwide already upgrade their learning with Vaia!
All the tools & learning materials you need for study success - in one app.
Get started for free
What are the rest energy, the kinetic energy, and the total energy of a particle with a speed of ?
What is the speed, as a fraction of , of a particle whose momentum is ?
At what speed, in would a moving clock lose role="math" localid="1649531760117" in day according to experimenters on the ground?
Hint: Use the binomial approximation.
The star Alpha goes supernova. Ten years later and 100 ly away, as measured by astronomers in the galaxy, star Beta explodes.
a. Is it possible that the explosion of Alpha is in any way responsible for the explosion of Beta? Explain.
b. An alien spacecraft passing through the galaxy finds that the distance between the two explosions is 120 ly. According to the aliens, what is the time between the explosions?
At , a firecracker explodes at in reference frame S. Four seconds later, a second firecracker explodes at . Reference frame S′ moves in the x-direction at a speed of . What are the positions and times of these two events in frame S′?
What do you think about this solution?
We value your feedback to improve our textbook solutions.
