A man observes a car from the top of a tower, which is moving towards the tower with a uniform speed. If the angle of depression of the car change fro
A man observes a car from the top of a tower, which is moving towards the tower with a uniform speed. If the angle of depression of the car change from `30^(@)" and "45^(@)` in 12 minutes, find the time taken by the car now toreach the tower.
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