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A bomb is dropped on an enemy post by an aeroplane flying with a horizontal velocity of 60 km/hr and at a height of 490 m. How far the aeroplane must be from the enemy post at time of dropping the bomb, so that it may directly hit the target. (g = 9.8 m/s2

 (a) 100/3 m

(b) 500/3 m

(c) 200/3 m

(d) 400 m

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Correct Option (b) 500/3 m

Explanation:

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