The positive muon lives on average 2.20 * 10^-6 s before decaying. If such a particle is moving, with a speed of 0.890 c, what average distance, measured in the laboratory, des the particle move before decaying? What is L=?
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The positive muon lives on average 2.20 * 10^-6 s before decaying. If such a particle is moving, with a speed of 0.890 c, what average distance, measured in the laboratory, des the particle move before decaying? What is L=?
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- An experimenter has studied the decay of a K° particle in which it emits a pion at 0.8c. One such K° particle passes the experimenter at 0.5c and decays, emitting a pion in the original direction of motion. In the experimenter's frame, the speed of the particle is measured to be between .8c and c. 1.3c. O between c and 1.3c. O between .5c and .8c.A particle has a rest mass of 7.15×10−27 kg and a momentum of 5.75×10−18 kg·m/s. Determine the total relativistic energy ? of the particle. ?= J Find the ratio of the particle's relativistic kinetic energy ? to its rest energy ?rest. ??rest=An object moves by an observer at 0.400 c. The total energy of the object will be what factor times that of the rest energy?
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- What is the kinetic energy of an electron if its speed is 0.992c?The proper lifetime of a certain particle is 100.0 ns. How long does it live in the laboratory if it moves at v = 0.860c?Particle X has a speed of 0.850 c and a momentum of 8.85×10-19 kgm/s. What is the mass of the particle? 1.8286*10^27kg Hints: The classical momentum of an object is the product of its mass and its velocity. How does the relativistic momentum look like compared to the classical momentum? Submit Answer Incorrect. Tries 3/99 Previous Tries What is the rest energy of the particle? Tries 0/99 What is the kinetic energy of the particle? Submit Answer Tries 0/99 What is the total energy of the particle? Submit Answer Tries 0/99 Submit Answer
- A particle is created in the upper atmosphere; 18km above the surfaceof the Earth as measured by someone on the ground. The particle travelstowards Earth’s surface at a speed of 0.95c as measured by someone on theground. The particle travels for a time period 2.0 × 10−5s as measured inthe particle’s rest frame. The question is attached as an image and the correct answer is A, could someone please explain why this isAn elementary particle of a mass m, moving to the right with v=0.800 c after leaving an accelerator, collides with and sticks to an identical particle initially at rest. What is the speed of the combined particles? CHOICES: a. 0.300 c b. 0.400 c c. 0.500 c d. 0.600 cHigh-energy particles are observed in laboratories by photographingthe tracks they leave in certain detectors; the length of the trackdepends on the speed of the particle and its lifetime.A particle moving at 0.85 c leaves a track 1.25 mm long. What is the properlifetime of the particle?