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Question: A vessel, whose bottom has round holes with diameter of 0.1mm, is filled with water. The maximum hei...

A vessel, whose bottom has round holes with diameter of 0.1mm, is filled with water. The maximum height to which the water can be filled without leakage is

A

100 cm

B

75 cm

C

50 cm

D

30 cm

Answer

30 cm

Explanation

Solution

h=2Trdg=2×750.005×1×103=30 cmh = \frac { 2 T } { r d g } = \frac { 2 \times 75 } { 0.005 \times 1 \times 10 ^ { 3 } } = 30 \mathrm {~cm}