The Σ− Particle The Σ− is an exotic particle that has a lifetime (when at rest) of 0.15 ns. |
Part A How fast would it have to travel in order for its lifetime, as measured by laboratory clocks, to be 0.28 ns ? Express your answer using two significant figures.
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The Σ− Particle The Σ− is an exotic particle that has a lifetime (when at rest)...
A subatomic particle has a 410 ns lifetime in its own rest frame. If it moves through the lab at 0.980 c, how far does it travel before decaying, as measured in the lab?
Review The Pi Meson An elementary particle called a pi meson (or pion for short) has an average lifetime of 2.6 x 108 s when at rest. Part A Suppose a pion moves with a speed of 0.92 c relative to a stationary laboratory. If there were NO RELATIVISTIC effects, how far would the pion travel in the laboratory before decaying. Express your answer using two significant figures. Πνα ΑΣφ ? dav Previous Answers Request Answer Submit Incorrect; Try Again;...
A meson when at rest decays 2 μs after it is created. If moving in the laboratory at 0.99c, its lifetime according to laboratory clocks would be: A. the same B. 0.28 s C. 14 μs D. 4.6 s E. none of these **with an explanation please!
5. A particle with a ‘proper’ lifetime (i. e. in its own rest frame) of 885. s is traveling towards earth with a speed of v=0.5 c. a. In its own rest frame, how far this particle travel, in m, during one lifetime (885 s)? b. In the earth’s rest frame, how far does the particle travel in 885 s?
An exotic particle with a half life of 223.93microseconds, according to clocks with no relative motion, is observed to travel through the atmosphere (with a thickness of about 500 km from the surface of the Earth). The particles are found to be moving at speed 0.999 c when detected on the surface of the Earth. These particles are known to be produced at the top of the atmosphere. Despite (half life=223.93microseconds) times the speed of particles being less than the...
2. The pion has an average lifetime of 26.0ns when at rest. For it to travel 10.0m, how fast must it move? Throughout this homework assignment, you may use e to denote the speed of light in both your work and final answers without using its numerical value. (This is actually preferred unless the problem requires the numerical value of e.)
How fast must a pion be moving on average to travel 34 m before it decays? The average lifetime, at rest, is 2.6×10−8s . Express your answer to two significant figures. v = ____________ c
A particle starts from rest and accelerates uniformly in a straight line. The particle travels a distance of 6.70 m in 2.50 s . How fast, in miles/hour (mph), will the particle be traveling after a time of 4.50 s has elapsed? Assume 1 mile=1609.34 m. Express your answer using three significant figures.
Second part of part c) please! The bit that asks about the particle travelling 75m in the laboratory before it decays. Determine its lifetime in the lab frame and then in its rest frame. -+160% are s two postulates of Special Relativity 4 marks) b) Calculate the de Broglie wavelength of an eleetron moving at a speed of 0.70c. The rest mass of an electron is 9.11 x 10-31 kg. 5 mar c) An elementary particle has a total energy...
Muons are unstable subatomic particles that decay to electrons with a mean lifetime of 2.2 μs . They are produced when cosmic rays bombard the upper atmosphere about 12.4 km above the earth's surface, and they travel very close to the speed of light. The problem we want to address is why we see any of them at the earth's surface. a) What is the greatest distance a muon could travel during its 2.2 μs lifetime? b) According to your...