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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/s2)

(A) 4 m/s 

(B) 6.25 m/s 

(C) 16 m/s 

(D) None of the above

1 Answer

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Best answer

Answer is (A) 4 m/s

Critical velocity at highest point = \(\sqrt{gR}\) 

\(\sqrt{10\times1.6}\) 

= 4 m/s

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