Two Buses Traveling at 100km/h - What's the Connection?

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SUMMARY

The discussion centers on the phenomenon experienced while traveling in a bus at 100 km/h, where the speaker observed another bus traveling in the opposite direction at the same speed. The key takeaway is that large vehicles like buses displace significant amounts of air, creating pressure waves that can cause noticeable effects, such as shaking and sound, when they pass closely. This interaction between the two buses is a direct result of aerodynamics and the physics of air displacement at high speeds.

PREREQUISITES
  • Understanding of basic physics principles, particularly aerodynamics.
  • Familiarity with concepts of air displacement and pressure waves.
  • Knowledge of vehicle dynamics and how large vehicles interact with their environment.
  • Experience with high-speed travel effects on passenger comfort.
NEXT STEPS
  • Research the principles of aerodynamics in large vehicles.
  • Learn about the effects of air pressure waves on moving objects.
  • Explore vehicle dynamics and stability at high speeds.
  • Investigate the impact of environmental factors on passenger experience in buses.
USEFUL FOR

This discussion is beneficial for physics enthusiasts, automotive engineers, and anyone interested in understanding the effects of aerodynamics on large vehicles during high-speed travel.

AnthreX
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I was in the bus traveling at 100km/h going to N and i saw another bus going to direction S at the same speed and the same bus

and when the other bus that was heading S passed by ( it was 80~100cm between the buses )
i felt the bus shake and heard a swoosh sound ( the window was open on my seat )

why is that ?
 
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Large vehicles, such as buses, push a lot of air out of the way as they move down the road at high speeds. What you heard and felt was this air pushing on your bus. Perhaps I did not get the full meaning of your question.
 

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