From the moment of production to the time of decay, the muon travels at a speed of 0.950c to an observer on Earth for a total of 7.05 seconds. So it travels a total distance of 2.01 km in relation to the Earth, calculated as L 0 = v t = (0.950) (3.00 10 8 meters per second) (7.05 10 6 seconds) = 2.01 km.
- 1 How far does muon travel?
- 2 How do you find the length of a V contraction?
- 3 How do muons reach the Earth?
- 4 How far would the muon travel taking time dilation into account?
- 5 Is length contraction real or apparent?
- 6 What is distance formula physics?
- 7 What is measurement of length in physics?
- 8 What is the distance to the ground from the point of view of the muon?
- 9 How has a muon provided evidence of time dilation?
- 10 What will be the mean lifetime of the muons as measured on Earth?
- 11 What is the lifetime of a muon?
- 12 How fast does a muon decay?
How far does muon travel?
In the atmosphere, around 10 kilometers above the Earth’s surface, cosmic rays moving through space impact molecules, resulting in the production of muons. Assuming that a muon can travel at almost the speed of light, it should only be able to travel around 700 meters before decaying, leading some to believe that no muons will ever make it to Earth.
How do you find the length of a V contraction?
It is v=L0t that is equal to L0t. v=Lt0 v = L t 0 v = L t 0. The moving observer moves in the same direction as the muon and so witnesses the correct time t0.
How do muons reach the Earth?
radiation. Muons are by-products of cosmic rays interacting with molecules in the high atmosphere, and they are produced in large quantities. Muons travel to the earth with an average velocity of around 0.994c. On the earth’s surface, approximately one muon passes through a one-centimeter-square region each minute (approximately 10,000 muons per square meter in one minute).
How far would the muon travel taking time dilation into account?
In order to determine the distance between the pions and their disintegration, CERN measured a mean distance of 250 meters. Another source of evidence comes from the investigation of cosmic-ray muons. If time dilation were not taken into consideration, a muon would travel on average 0.66 kilometers before disintegrating.
Is length contraction real or apparent?
In Einstein’s theory of Special Relativity, length contraction is a genuine contraction, and it occurs in the actual world. As a true contraction, it will have an impact on the observation of a comparatively moving object, but it is critical that it be stated appropriately in order to be effective.
What is distance formula physics?
To get the distance between two points, apply the distance formula d = st, which is distance equals speed times time. Distance equals speed multiplied by time. Because they both reflect a certain amount of distance per unit of time, such as miles per hour or kilometers per hour, rate and speed are synonymous. If the rate r is the same as the speed s, the equation r = s = d/t is true.
What is measurement of length in physics?
The meter is the metric unit of length in the International System of Units. Light travels one meter in a vacuum in 1299,792,458 of a second, which is the same as the time it takes to traverse one mile in 299,792,458 of a second.
What is the distance to the ground from the point of view of the muon?
(3) The muon sees the distance to the ground, which has been reduced by a factor of 22.4, giving the distance to the ground as l′ = (10 km)/22.4 = 440 m. As a result, the average muon of 0.999c reaches the earth.
How has a muon provided evidence of time dilation?
It is estimated that muons have a mean lifespan at rest of T0 equal to 2.2 seconds. Muons move at relativistic speeds and are unstable particles. When muons travel at relativistic speeds, they undergo time dilation. This dilatation helps them to make it to the surface of the Earth before they decompose.
What will be the mean lifetime of the muons as measured on Earth?
Muons are inherently unstable subatomic particles with a typical lifespan of 2.2 seconds before decaying into electrons. When cosmic rays attack the upper atmosphere approximately 11.4 kilometers above the earth’s surface, they create gamma rays, which move at speeds that are extremely near to the speed of light.
What is the lifetime of a muon?
The muon has a lifespan of 2.197 seconds, which is equal to 2.197 seconds.
How fast does a muon decay?
Muon decay, like the decay of the non-elementary neutron (which has a lifetime of around 15 minutes), is slow (by subatomic standards) because it is mediated only by the weak interaction (rather than the more powerful strong interaction or electromagnetic interaction), and because the mass difference between the muon and the neutron is large (compared to the neutron).