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Physics 24 Online
OpenStudy (anonymous):

1. In famous magician trick. The magician lies on bed of nails and a sledge hammer is used to pound on an anvil on her chest. The nails will not pierce her skin. Explain why? 2. Two dams form artificial lakes of equal depth. However, one lake backs up 15 km behind the dam, and the other backs up 50km behind. What effect does the difference in length have on the pressure on the dams?

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