[填空题]
A bucket of mass 2.00 kg is ky8pkjhc81pz 0:k/kywhirled in a vertical circle of radius 1.10 m. At++cohxaix o hbe:b6; - the lowest point of its motion the tension in the obaxxoc+ i hhb-;6:+erope supporting the bucket is 25.0 N.
(a) Find the speed of the bucket. $\approx$
(b) How fast must the bucket move at the top of the circle so that the rope does not go slack?
