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Question: Ratio of area of the hole to breaker is 0.1. Height of the liquid in the beaker is 3m, and a hole is...

Ratio of area of the hole to breaker is 0.1. Height of the liquid in the beaker is 3m, and a hole is at a height of 52.5 cm from the bottom of the beaker. Find the square of the velocity of the liquid coming from the hole.

A

52(ms-1)2

B

50.5(ms-1)2

C

51(ms-1)2

D

42(ms-1)2

Answer

52(ms-1)2

Explanation

Solution

v2efflux = 2g(H−h)1−(A0/A)2\frac{2g(H - h)}{1 - \left( A_{0}/A \right)^{2}}

= 2×10×2.4751−.01\frac{2 \times 10 \times 2.475}{1 - .01} = 50 ms-2