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Tension in an accelerating system and pie in the face

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 Physics   |   Science
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The second part to the complicated problem. We figure out the tension in the wire connecting the two masses. Then we figure our how much we need to accelerate a pie for it to safely reach a man's face.
More free lessons at: http://www.khanacademy.org/video?v=52wxpYnS64U

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  • none Added The prbobal factors of the problem, solved in the first part of the video:

    Object 1 is on the inclined plane, object 2 is connected with him through the system of rope and pulley

    Given: m1 = 10 kg, m2 = 20 kg, "angle of the inclined plane" = 35 "degree", "acceleration due to gravity" = 9,8 m/s^2, mu (coeffitient of kinetic friction) = 0,2

    Find: acceleration of the system of the objects






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