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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 | |