11Yup....it's from Anant sir's 101 again.
Assume that a cloud of tiny water droplets is suspended (uniformly distributed and at rest) in air, and consider a rain-drop falling through them. Assuming that the rain-drop initially is of negligible size and that when it hits a water droplet, the water of the droplet gets added to it & also the raindrop remains spherical at all times, find the accn and velocity of raidrop as a function of time.
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6 Answers
1http://liquids.seas.harvard.edu/oleg/competition/99/sol99.pdf
check soln 5
Googling always helps eureka.....Isnt it ? [3]
i guess this was teh official soln u were talking abt
1hmm...gr8 that u hav a good memory powerr that u recognize questions atonce that from which competition they were ;)
seems u hav gone through all of them ;o