Physics Question

 

In a pull-cord salad spinner a string wound around an axle of radius 2.0 cm is used to spin a bowl of 12. cm radius. The axle is attached to the bowl so that bowl and axle spin at the same rate. (a) Without slipping on the axle, the cord is pulled with a constant acceleration of 0.50 m/s2 . Find the angular acceleration of the bowl. (b) Starting from rest, a total of 30.cm of cord are pulled. What is the angular speed of the bowl at the end of the pulling period? (c) In units of g, what is the magnitude of the maximum radial acceleration experienced by a spinach leaf at the edge of the bowl?

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