Some speculation I heard was that the last brick was placed a *little* bit further away, allowing it to fall flat and the others slid back as the gap was opening up for each. These were heavy bricks so it’s possible.

Some speculation I heard was that the last brick was placed a *little* bit further away, allowing it to fall flat and the others slid back as the gap was opening up for each. These were heavy bricks so it’s possible.

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looking for backpropagation but found this
“9.2.8 Transmission of compressive energy, motion of coins, dominoes
See diagram 9.2.8: Coin motion, domino motion
Longitudinal waves produce compress and stretch in the medium.
With the propagation of the form of movement, the energy of the wave propagates.
The form of movement is the same to the velocity of energy of propagation under the condition of no chromatic dispersion.
It can reach thousands of metres in a second, far surpassing the value of general moving body. “

which was pretty neat.

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9-2-8

 

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GOT IT! [I THINK]:
http://www.acs.psu.edu/drussell/Demos/waves/Lwave-Red-2.gif

“equal and opposite”: Leftover potential energy in the bottom of the bricks causing…

lwave-red-2

wait nvm.

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it’s possible they struck the layer of bricks below when it reached the end, and the resulting wave gave enough energy for the bricks to slide off. If you look they’re just BARELY overlapping.

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It’s too easy to say “fake”. Low energy. :) Naysayers have it easy.

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