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CalculusQ&A LibrarybetwA hot air balloon rising vertically is tracked by an observer located 7 km fromthe lift-off point. At a certain moment, theinterangle between the observer's line of sight and the horizontal isand it is changing at a rate of 0.5 rad/min. How fast is theballoon rising at this moment?be the height of the balloon (in km), t be time (in minutes), and 0 the angle between the line-of-sight and the horizontalyLetand(in radians).(Use decimal notation. Give your answer to two decimal places.)Askedkm/mindtGiv4 kLetheiTh2Question

Asked Oct 20, 2019

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