A 246 kg wooden raft floats on a lake. as a 85 kg man, Ask an Expert

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Q. A 72 kg solid cylinder, 2.0 m long and has an end radius of 5.0 cm, stands on one end. How much pressure does it exert?

Q. A 246 kg wooden raft floats on a lake. When a 85 kg man stands on the raft, it sinks 5.0 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
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