Multiple Choice Question: Given a water droplet with surface tension $\sigma$ and gage pressure $\Delta p$, determine its diameter.

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

P3000 quarterly for ten years accumulates to P181,205.95, find the nominal rate of interest compounded quarterly.
In how many days will the original gang of pipe layers, under the supervision of foreman B, finish the original pipe-laying job?
The distance between the centers of the three circles which are mutually tangent to each other externally are 10, 12, and 14 units. The area of the smallest circle is:
It is defined as a hydrograph with a volume of 1 inch of runoff resulting from a rainstorm of specified duration and a real pattern.
At an ordinary rate a man can row the distance from Pasig to Manila, about 15km, in 5 hours less time than it takes him to return.
A definite integral has an integrand which is a fraction with denominator $\sqrt{4x^2 + 1}$. It is to be solved by trigonometric substitution. Which of the following is the appropriate substitution to use?
A semi-elliptical arch in a stone bridge has a span of 6 meters and a central height of 2 meters. Find the height of the arch at a distance of 1.5 m from the center of the arch.
Solve for x from the given equation: 2^x · 2^(x + 1) = 128.
An automobile tire is 30 inches in diameter. How fast in rpm does the wheel turn on the axle when the automobile maintains a speed of 50 mph?
One number is 25 greater than a second number. If the lesser number is subtracted from 3 times the greater number, the difference is 195. Find the product of two numbers.
From a tank filled with 240 gallons of alcohol, 60 gallons are drawn off and the tank is filled up with water. Then 60 gallons of the mixture are removed and replaced with water, and so on. How many gallons of alcohol remain in the tank after 5 drawings
A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours.
Mary was 4 times as old as Ann 4 years ago and if Mary will be twice as old as Ann 4 years hence, how old is Ann?
CPM factory employs 60 workers. If 4 out of every 5 workers are married, how many married workers are employed by the factory?
XPpFh97-2 The reaction at the inclined side.