Change In Liquid Height With Time Fig 711 A Derive

Change in liquid height with time (Fig. 7.1-1). 

(a) Derive Eq. 7.1-4 by using integral calculus. 

(b) In Example 7.1-1, obtain the expression for the liquid height h as a function of time t. 

(c) Make a graph of Eqo 7.1-8 using dimensionless quantities. Is this useful? 

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