# A stone is projected from point A with speed u making an angle 60° with horizontal as shown.

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A stone is projected from point A with speed u making an angle 60° with horizontal as shown. The fixed inclined surface makes an angle 30° with horizontal. The stone lands at B after time t. Then the distance AB is equal to

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Correct option (A) ut/√3

Explanation:

The horizontal displacement in time t is

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