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A straight highway leads to the foot o...

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of `30^@` , which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depres

A

2 sec

B

3 sec

C

6 sec

D

4 sec

Text Solution

Verified by Experts

The correct Answer is:
B
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