1.

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 \[g=10m/{{\sec }^{2}}\])                               [AIIMS 1987]

A.             4 m/sec
B.                      6.25 m/sec
C.             16 m/sec
D.                      None of the above
Answer» B.                      6.25 m/sec


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