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Re: breaking glass

On Fri, 31 Mar 2000, Bernard G. Cleyet & Nancy Ann Seese wrote:

1, get out your video cameras.
2, The first fall is due to a klutz. the second is controlled by torque exerted by the
floor. If it hit with the CG directly above the point of contact (unlikely) then heavy
side down again.


After the first bounce, the plate is intensely vibrating. As it comes in
contact with the floor on the second bounce, the peak impact velocity
could be 2x because of the vibration. It could also occur over and over,
like beating on a small crack with a hammer in order to make it grow and
grow.


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