jee-advanced 2001 Q32

jee-advanced · India · screening Addition & Double Angle Formulae Horizontal Launch or Dropped Object Problems

32. A man from the top of a 100 metres high tower sees a car moving towards the tower at an angle of depression of 300 . After some time, the angle of depression becomes 600. The distance (in metres) travelled by the car during this time is :
(A) $100 \sqrt { 3 }$
(B) $( 200 \sqrt { } 3 ) / 3$
(C) $( 100 \sqrt { } 3 ) / 3$
(D) $200 \sqrt { } 3$

32. A man from the top of a 100 metres high tower sees a car moving towards the tower at an angle of depression of 300 . After some time, the angle of depression becomes 600. The distance (in metres) travelled by the car during this time is :\\
(A) $100 \sqrt { 3 }$\\
(B) $( 200 \sqrt { } 3 ) / 3$\\
(C) $( 100 \sqrt { } 3 ) / 3$\\
(D) $200 \sqrt { } 3$\\

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