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PHY question!!!
2007-04-15 5:06 am
回答 (1)
2007-04-15 8:36 am
✔ 最佳答案
The distance between the first and last domino = 49x5 cm = 245 cmpulse velocity = 245/10 cm/s = 24.5 cm/s
It cannot be reagrded as a proper wave. In a wave propgation, the wave travels by oscillation of particles. Such oscillation is not found in the domino pulse.
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