Question
Wed January 02, 2013 By: Vinit Jagannath
1. An aeroplane flying horizontally 1 km above the ground observed at angle of 60 degree. If after 15 seconds, the angle of elevation is observed to be 30 degree, Find the speed of the aeroplane.
 

Please solve the following two questions with explations and diagram.

Expert Reply
Mon January 07, 2013
Pls ask one question at a time.
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