Number 12.12 Please help me Figure P12.11 12.12. A particle of mass m slides on a smooth

Number 12.12 Please help me

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Figure P12.11 12.12. A particle of mass m slides on a smooth inclined plane whose inclination angle 0 is increasing at a constant ratc w, starting from 0 = 0, at 1 = 0. Write equations describing the subsequent motion of the particle. %3| 12.13. A uniform rod of length L and mass M is pivoted at 0 and can swing in a vertical plane (Fig. P12.13), The other end of the rod is pivoted to the center of a thin disk of mass M and radius Figure P12.11 12.12. A particle of mass m slides on a smooth inclined plane whose inclination angle 0 is increasing at a constant ratc w, starting from 0 = 0, at 1 = 0. Write equations describing the subsequent motion of the particle. %3| 12.13. A uniform rod of length L and mass M is pivoted at 0 and can swing in a vertical plane (Fig. P12.13), The other end of the rod is pivoted to the center of a thin disk of mass M and radius