A bucket containing water is tied to one end of a rope of length 2.5 m and rotated about the other end in a vertical circle. What should be the minimum velocity of the bucket at the highest point, so that the water in the bucket will not spill? (g = 10 m/s2)

A bucket containing water is tied to one end of a rope of length 2.5 m

1.	A bucket containing water is tied to one end of a rope of length 2.5 m and rotated about the other end in a vertical circle. What should be the minimum velocity of the bucket at the highest point, so that the water in the bucket will not spill? (g = 10 m/s2)
A.	5 m/s
B.	4 m/s
C.	2.5 m/s
D.	7 m/s
Answer» B. 4 m/s