Problema Solution
a helicopter is maintaining a fixed position with altitude of 150 meters and at a particular instant a car is directly below the helicopter. after the car has travelled 20 meters on a straight level road the angle of depression measured from the helicopter is decreasing at the rate of 0.215radian per second. calculate the speed of the car?
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helicopter is maintaining a fixed position with altitude of 150 meters and at a particular instant a car is directly below the helicopter. after the car has travelled 20 meters on a straight level road the angle of depression measured from the helicopter is decreasing at the rate of 0.215radian per second. calculate the speed of the car?