阿摩線上測驗
9. A cylindrical tank of height H is open at the top and has a diameter of D. It is filled
with water up to a height of h. Which quantity is linearly proportional to the time it
takes to empty the tank through a hole of radius R in its bottom?
(A) H；
(B) D；
(C) h；
(D) R；
(E) None.
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統計： A(0), B(0), C(1), D(1), E(0) #3188040
統計： A(0), B(0), C(1), D(1), E(0) #3188040
