Find the momentum and speed of a proton whose kinetic energy equals its rest energy. (The mass of a proton is 938.3 MeV/c2)
1625 MeV/c, 0.866 0 c
You might also like to view...
Why are collisions between galaxies common, but collisions between stars rare?
A) Stars are very small compared to the distances between them, but galaxies are not. B) Stars repel each other with stellar winds, but galaxies do not. C) Stars are much less common than galaxies, so there are fewer of them to collide. D) Stars do not survive as long as galaxies, so they have less time to collide.
Light travels fastest in
A) warm air. B) cool air. C) a vacuum.
A 1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. What is the magnitude of the friction force required to keep the car from sliding?
A) 9000 N B) 9800 N C) 300 N D) 900 N E) 3000 N
You live in a Universe where matter dominates significantly over antimatter
a. True b. False Indicate whether the statement is true or false