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Q. A 251 kg wooden raft floats on a lake. When a 70 kg man stands on the raft, it sinks 4.0 cm deeper into the water. When he steps off, the raft vibrates for a while.

What is the frequency of the vibration?

What is the total energy of the vibration (ignoring damping)?

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  • Category:- Physics
  • Reference No.:- M9273076

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