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5-53 A boy stands out at the end of the diving board, which is supported by two springs A and B, each having a stiffness

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5-53 A boy stands out at the end of the diving board, which is supported by two springs A and B, each having a stiffness of k = 15 kN/m. In the position shown the board is horizontal. If the boy has a mass of 40 kg, determine the angle of tilt which the board makes with the horizontal after he jumps off. Neglect the weight of the board and assume it's rigid. 1 m 3 m A B

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