Or, of course, you could just as well take $r o 0$.
You can get the latter time by setting $C$, $A$, or $ ho$ to zero, or taking the limit as $m oinfty$. (Does it make sense why all of these assignments correspond to making the effect of the air insignificant?) Or, of course, you could just as well take $r o 0$. Now, before you start wondering how you're going to get away taking the square root of $rac $, you actually need to take a limit, and the limit of $t$ as $r o 0$ is well defined:
(1999-12-07) 1,000 Years Of Spoken English - 1: A Shout In The Distance (Maurice Leitch)
Prealgebra, 3rd Edition, Lial, Hestwood, Solutions Manual
The Essential Elements of Public Speaking Plus NEW MyCommunicationLab with Pearson eText — Access Card Package, 5/E Joseph A. DeVito test bank | solution manual | exam bank
w/Patrick O'Kane, Stella McCusker and Alan Barry - During the Second World War, or `the emergency', as the Irish call it, a German captain lands in Ireland and has many comic and bizarre adventures trying to recruit the help of the IRA to invade Britain.
Elementary Statistics Picturing the World 5E Ron Larson Elizabeth Farber Instructor Manuals Manual
(1999-08-30) The Story Of The Amulet (E Nesbit, dram Malcolm McKee)
The Grimoire of Armadel translated from the original French and Latin of a manuscript in the Biblotheque l'Arsenal in Paris. This is classed as a Christian Grimoire and contains many important seals and sigils of the various demons and planetary spirits. First translated by S.L. McGregor Mathers in the late 1890’s.