A man on the top of a vertical observation tower observers a car 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 , how soon after this will the car reach the observation tower?

A man on the top of a vertical observation tower observers a car movin

1.	A man on the top of a vertical observation tower observers a car 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 , how soon after this will the car reach the observation tower?
A.	12 min 23 second
B.	14 min 34 second
C.	10 min 57 second
D.	8 min 17 second
Answer» D. 8 min 17 second

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A man on the top of a vertical observation tower observers a car 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 , how soon after this will the car reach the observation tower?

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