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Mathematics 17 Online
OpenStudy (anonymous):

An aeroplane is cited due East from a radar station at an elevation of 40 degrees at a height of 8000m and later at an elevation of 35 degrees and a height of 5500m in a direction E70S. If it is descending uniformly,find the angle of descent.Determine also the speed of the aeroplane in km/hr if the time between the two observations is 45 seconds.

OpenStudy (dumbcow):

Angle of descent is approx 14 degrees. Speed of airplane is approx 826 km/hr

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