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An unstable particle is created in the upper atmosphere from a cosmic ray and travels straight...
An unstable high-energy particle is created in the laboratory, and it moves at a speed of...
An unstable high-energy particle is created in the laboratory, and it moves at a speed of 0.994c. Relative to a stationary reference frame fixed to the laboratory, the particle travels a distance of 1.84 × 10-3 m before disintegrating. What is (a) the proper distance and (b) the distance measured by a hypothetical person traveling with the particle? Determine the particle's (c) proper lifetime and (d) its dilated lifetime. Numerical answer is not important...a) I do not understand why 1.84...
In a high-energy collision between a cosmic-ray particle and a particle near the top of the...
In a high-energy collision between a cosmic-ray particle and a particle near the top of the Earth's atmosphere, 120 km above sea level, a pion is created. The pion has a total energy E of 1.35 × 105 MeV and is travelling vertically downward. In the pion's rest frame, the pion decays 35.0 ns after its creation. The rest energy of a pion is 139.6 MeV (a) Calculate the speed of the pion and the Lorentz factor. (10 points) (b)...
1. Subatomic particles called muons can be created in the upper atmosphere by collisions of cosmic...
1. Subatomic particles called muons can be created in the upper atmosphere by collisions of cosmic rays (energetic particles coming from astrophysical sources). As we shall see in a few lectures, muons quickly decay (in 2.2 microseconds on average) into other particles. Consider a muon that was created at a height the same as the top of a nearby mountain, traveled straight down towards the Earth through the atmosphere at 0.9 times the speed of light, and then decayed at...
Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere produces a muon...
Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere produces a muon that has speed v = 0.74c. The muon then travels at constant speed and lives 1.525 μs as measured in the muon's frame of reference. (You can imagine this as the muon's internal clock.) Please answer B A) How many kilometers does the muon travel according to an Earth-bound observer? 0.503 is the answer to A B) How many kilometers of the Earth pass...
(15%) Problem 8: Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere...
(15%) Problem 8: Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere produces a muon that has speed v = 0.92c. The muon then travels at constant speed and lives 1.5 us as measured in the muon's frame of reference. (You can imagine this as the muon's internal clock.) Randomized Variables y = 0.92 c t = 1.5 us > * 33% Part (a) How long does the muon live in seconds) as observed on the...
Muons are unstable subatomic particles that decay to electrons with a mean lifetime of 2.2 μs...
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...
Modern Physics Problem 1 A what is the average distan stubatomic particle has a lifetime of...
Modern Physics
Problem 1 A what is the average distan stubatomic particle has a lifetime of 2.2 lus. If the particle is moving 0.9c erage litetime measured by the laboratory reference frame? What is the ce traveled by the particle, that the laboratory measures, before it decays? life Problem 2 in the movie intersteęllar it is said that the Endurance traveled from Barth t. Pinst try km/s and then fr hink about what trajectory orbit the Sun. From distance and...
A certain type of elementary particle travels at a speed of 2.50x108 m/s. At this speed,...
A certain type of elementary particle travels at a speed of 2.50x108 m/s. At this speed, the average lifetime is measured to be 2.76x10-6 s. Part A What is the particle's lifetime at rest? Express your answer with the appropriate units. ? M: HÅR Value O 2 Units Ato = Submit Request Answer Provide Feedback
A projectile is launched vertically from the surface of the Moon with an initial speed of...
A projectile is launched vertically from the surface of the Moon with an initial speed of 1260 m/s. Part A At what altitude is the projectile's speed one-half its initial value? Express your answer using two significant figures. IVO AQ R O 2 ? h= 366 km km Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
As a body is projected to a high altitude above the earths surface, the variation of...
As a body is projected to a high altitude above the earths surface, the variation of the acceleration of gravity with respect to alitude y must be taken into account. Neglecting air resistance, this acceleration is determined from the formula a -go R2 /(R + ν , where g.-9.81 m/s 2 e constant gravita or al acceleration at se a la e R-E 56 m s e radius of he earth and the positive d rection is measured upward. Part...
In a high-energy collision between a cosmic-ray particle and a particle near the top of the Earth's atmosphere, 120 km above sea level, a pion is created. The pion has a total energy E of 1.35 × 105 MeV and is travelling vertically downward. In the pion's rest frame, the pion decays 35.0 ns after its creation. The rest energy of a pion is 139.6 MeV (a) Calculate the speed of the pion and the Lorentz factor. (10 points) (b)...
(15%) Problem 8: Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere produces a muon that has speed v = 0.92c. The muon then travels at constant speed and lives 1.5 us as measured in the muon's frame of reference. (You can imagine this as the muon's internal clock.) Randomized Variables y = 0.92 c t = 1.5 us > * 33% Part (a) How long does the muon live in seconds) as observed on the...
Modern Physics
Problem 1 A what is the average distan stubatomic particle has a lifetime of 2.2 lus. If the particle is moving 0.9c erage litetime measured by the laboratory reference frame? What is the ce traveled by the particle, that the laboratory measures, before it decays? life Problem 2 in the movie intersteęllar it is said that the Endurance traveled from Barth t. Pinst try km/s and then fr hink about what trajectory orbit the Sun. From distance and...
A certain type of elementary particle travels at a speed of 2.50x108 m/s. At this speed, the average lifetime is measured to be 2.76x10-6 s. Part A What is the particle's lifetime at rest? Express your answer with the appropriate units. ? M: HÅR Value O 2 Units Ato = Submit Request Answer Provide Feedback
A projectile is launched vertically from the surface of the Moon with an initial speed of 1260 m/s. Part A At what altitude is the projectile's speed one-half its initial value? Express your answer using two significant figures. IVO AQ R O 2 ? h= 366 km km Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
As a body is projected to a high altitude above the earths surface, the variation of the acceleration of gravity with respect to alitude y must be taken into account. Neglecting air resistance, this acceleration is determined from the formula a -go R2 /(R + ν , where g.-9.81 m/s 2 e constant gravita or al acceleration at se a la e R-E 56 m s e radius of he earth and the positive d rection is measured upward. Part...
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