physics
posted by jess .
A bucket of mass 2.20 kg is whirled in a vertical circle of radius 1.15 m. At the lowest point of its motion the tension in the rope supporting the bucket is 28.0 N. a) Find the speed of the bucket.
b)How fast must the bucket move at the top of the circle so that the rope does not go slack?

a.) 1.65 m/s
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