A man on the top of a vertical tower obs...

A man on the top of a vertical tower observes a car moving at a uniform speed coming directly towards it. If it takes 12 minutes for the angle of depression to change from `30^0to45^0,` how soon after this will the car reach the tower? Give your answer to the nearest second.

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A man on the top of a vertical tower observes a car moving at a uniform speed coming directly towards it.If it takes 12 minutes for the angle of depression to change from 30^(0) to 45^(0) ,how soon after this will the car reach the tower? Give your answer to the nearest second.

A person from the top of a hill observes a vehicle moving towards him at a uniform speed. It takes 10 minutes for the angle of depression to change from 45^(@) to 60^(@) . After this the time required by the vehicle to reach the bottom of the hill is:

A man on the top of a tower,standing on the seashore,finds that a boat coming towards him takes 10 minutes for the angle of depression to change from 30o to 60o. Find the time taken by the boat to reach the shore from the position.

A man on the top of a tower: standing on the seashore: finds that a boat coming towards him takes 10 min for the angle of depression to change from 30^(@) to 60^(@). Find the time taken by the boat to reach the shore from this position

A car is moving at uniform speed towards a tower.It takes 15 minutes for the angle of depression from the top of tower to the car to change from 30^(@) to 60^(@) . The car will reach the base at tower after P minutes. Value of P is (Where [.] denotes greatest integer function)

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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