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The stiffness of board A is 124GPa and the weight of the man is 68kg while...

The stiffness of board A is 124GPa and the weight of the man is 68kg while the stiffness of board B is 200GPa and the weight of the man is 70kg. Which of the two people will give the greater amplitude of oscillation? note that both are at the end of the diving board.
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