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March 27, 2017

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Calculate the speed at the edge of a disc of radius 8.5 cm that rotates at the rate of 4 rev/s. Answer should be in units of m/s

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  • physics - ,

    change the rev to radians by multiplying by 2PI

    speededge=angularspeed*radius
    = 2PI*.085*4 m/s

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