How Do Lorentz Transformations Apply to Aircraft Communication Delays?

  • Thread starter Thread starter Quelsita
  • Start date Start date
  • Tags Tags
    Lorentz
AI Thread Summary
Lorentz transformations are necessary to analyze communication delays between two aircraft landing at different times in New York and San Francisco, separated by a distance of 3,800 km. The key question is whether a signal sent from the first aircraft after touchdown will reach the second aircraft before its own touchdown. Given the time difference of 0.01 seconds, the average speed of the signal must be calculated to determine if it exceeds the speed of light, c. The calculations suggest that the signal's speed is less than c, confirming that the second pilot will not receive the signal before landing. This analysis highlights the implications of relativistic effects on communication in aviation scenarios.
Quelsita
Messages
41
Reaction score
0
Ok, I think for this problem you have to use the Lorentz transformations, but I'm not sure how to consider the velocity.

Question:
At 9 hrs 0min 0sec an aircraft touches down in NY. At 9hrs 0min 0.01sec an aircraft touches down in San Francisco. The (straight) distance between the two is 3.8x10^3km.
a) show that any signal that thepilot of the first aircraft sends after the instant of touchdown will reach the second pilot after his own touchdown.

So, for this x=3.8x10^3km, deltat =0.01sec, but if the aircrafts are stationary, what is the velocity? If it is a singnal, is this just c?
 
Physics news on Phys.org
Quelsita said:
Ok, I think for this problem you have to use the Lorentz transformations, but I'm not sure how to consider the velocity.

Question:
At 9 hrs 0min 0sec an aircraft touches down in NY. At 9hrs 0min 0.01sec an aircraft touches down in San Francisco. The (straight) distance between the two is 3.8x10^3km.
a) show that any signal that thepilot of the first aircraft sends after the instant of touchdown will reach the second pilot after his own touchdown.

So, for this x=3.8x10^3km, deltat =0.01sec, but if the aircrafts are stationary, what is the velocity? If it is a singnal, is this just c?

Well, this one looks fairly easy...what is the expression for the average speed v_{ave}of any signal that travels a distance {\Delta}x in a time {\Delta}t? If you plug in the distance above along with your {\Delta}t how fast would the signal have to be? Is it greater or less than c?
 
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
Thread 'Variable mass system : water sprayed into a moving container'
Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...

Similar threads

Back
Top