Travel Time of a Wave Pulse Through Two Steel Wires

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SUMMARY

The discussion focuses on calculating the travel time of a transverse wave pulse through two steel wires with different radii and identical lengths of 5.0 meters, under a tension of 150 N. The density of steel is given as 7.8 x 10^3 kg/m^3. To determine the travel time for a wave pulse over a total distance of 10 meters, one must first calculate the wave speed in each wire using the formula v = √(T/μ), where μ is the linear mass density. The final travel time can be computed by dividing the distance by the wave speed.

PREREQUISITES
  • Understanding of wave mechanics and transverse waves
  • Familiarity with the concepts of tension and linear mass density
  • Knowledge of the formula for wave speed in a medium
  • Basic algebra for calculating time from distance and speed
NEXT STEPS
  • Calculate the linear mass density for both steel wires using their dimensions and the density of steel.
  • Apply the wave speed formula v = √(T/μ) for each wire to find the wave speeds.
  • Determine the time taken for the wave pulse to travel through each wire and sum these times for the total travel time.
  • Explore the effects of varying tension and wire dimensions on wave speed and travel time.
USEFUL FOR

Physics students, engineers, and anyone interested in wave propagation in materials, particularly in the context of mechanical waves in solid media.

thehabsonice
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A steel wire of length 5.0m and radius 0.300 mm is knotted to another steel wire of length 5.0m and radius 0.10 mm. The ires are strethed with a tension of 150 N. How long does a transverse wave pulse take to travel the distance of 10 m from the beginning of the first wire to the end of the other? The density of the steel is 7.8 x 10^ 3 (kg/m^3).I really don't know how to do this... can you guys tell me how to start it off please lol!
 
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it asks you for the time taken to travel a distance, what quantity does this remind you of... or how what would we usullay think when relating these 2 quantities
 

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