An airplane is flying horizontally at a height of 490 m with a velocity of 150 ms-1. A bag containing food is to be dropped to the jawans on the ground. How far from them should the bag be dropped so that is directly reaches them?

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1000 m

1500 m

750 m

2000 m

answer is B.

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Detailed Solution

t = 2hg = 2×4909.8 = 10 sR = 150 × 10 = 1500 m

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