What is the total energy of vibration

Reference no: EM13503693

A 256 kg wooden raft floats on a lake. When a 80 kg man stands on the raft, it sinks 9.0 cm deeper into the water. When he steps off, the raft vibrates for a while.

(a) What is the frequency of vibration?

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

Reference no: EM13503693

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