An aeroplane is flying at a constant height of 1960 m with speed 
above the ground towards point directly over a person struggling in flood water. At what angle of sight with the vertical should be pilot release a survival kit if it is to reach the person in water? 
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Plane is flying at a speed 
horizontally (at a height 
Time taken by the kit to reach the ground
in this time the kit will move horizontally by
So than angle of sight
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