Keith Dysart wrote:
On Sep 7, 6:00Â*pm, wrote:
Nope, the energy in both the tube of marbles and the walking stick
travels at the speed of sound in the medium.

What happens when the walking stick is traveling faster than
the speed of sound?

...Keith

It makes a big hole in the old lady's ceiling.

Actually, the energy travels through the building structure at the speed
of sound, not the walking stick, which has energy of momentum until it
hits the ceiling.

--
Jim Pennino

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