Sukanta standing on the top of a tower observes that a car is moving at a uniform speed coming directly towards it. If it takes 8 minutes for the angle of depression to change from 30° to 45°, in what time will the car reach the tower?

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Sukanta standing on the top of a tower observes that a car is moving at a uniform speed coming directly towards it. If it takes 8 minutes for the angle of depression to change from 30° to 45°, in what time will the car reach the tower?






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