1.

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 changes from 30∘ to 45∘ in 12 minutes, find the time taken by the car now to reach the tower.

Answer» 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 changes from 30 to 45 in 12 minutes, find the time taken by the car now to reach the tower.


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