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I see in Moscow TV-messages from the Western Hemisphere about new hurricane.
Please forgive me, but I do not think about possible victims. I think about... new ODE problem for Mathcad.
One person went outside and threw up a tennis ball. The ball fell away from the person in a certain L(m) and a certain t(s) (given data). What is the wind speed and what are the other options of the ball (k, vo etc). Parameterd of tennis ball - http://en.wikipedia.org/wiki/Tennis_ball