A bucket tied at the end of a 1.6 m long string is whirled in a vertical circle with constant speed. What should be the minimum speed so that the water from the bucket does not spill, when the bucket is at the highest position (Take g = 10 m/sec2)
(a) 4 m/ sec
(b) 6.25 m / sec
(c) 16m / sec
(d) None of these
