(Answered) A block of mass m2nbsp 50kg on a rough inclined surface is

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A block of mass M₂= 5.0kg on a rough inclined surface is connected to a ball of mass M₁ by a cord over a pulley. The coefficient of static and kinetic friction between the block and the surface are ustatic = .25 and u kintec = .15. The angle between the incline and the horizontal is 30 degrees. What should the mass of M1 be to make M2 start to move?

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