Find at what time does the maximum speed occur

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A light platform is suspended from the ceiling by a spring. A student with a mass of 74 kg climbs onto the platform. When it stops bouncing and reaches its new equilibrium position (x=0), the student notices that the spring has stretched 0.79 m. The student's friend pulls the platform down 0.29 m further and then releases it at t=0. What is the amplitude of the motion of the student on the platform? What is the maximum speed? At what time does the maximum speed occur?

Reference no: EM13334983

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