Thursday, April 26, 2012

4/26

Objective:  SWBAT relate work and energy within a problem (finish forces review- start W, P, E review).


Warm Up:  A 50 kg rider on the "Rotor Ride" stands along a vertical wall in a circular room of radius 3.0 m.  The room begins to rotate and at a certain point the floor drops down several meters, leaving the rider pressed against the wall.  If the coefficient of static friction between the rider and the wall is 0.40, determine the minimum a) speed and b) frequency of rotation required to prevent the rider from slipping down the wall.  ( Hint:  draw a free body diagram of this situation!)

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