A girl notices that a boat moored behind a sea wall is bobbling vertically up and and down due to the action of the waves. She sees that the lamp at the top of the mast is visible above the wall for a total time of 1.0 second and is hidden for a total time of 3.0 seconds. The maximum height of the lamp above the wall is 0.3 metres.

Question

jadedry · Answer

Assuming that it's in Simple Harmonic Motion , calculate:

A) The amplitude of the motion of the boat

B) The speed of the as it disappears behind the wall

jadedry · Answer

So far I have the following ideas! 

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