Question

An aeroplane is flying at the height of 490m with a velocity of 360 km / hr .a bag containing ration is to be dropped to the jawans on the ground .how far from them should the bag be released .so that it falls directly over them ?
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Answer 1

Here  is your answer

Explanation:

t=2hg−−−√,=2×4909.8−−−−−−−√=10s  

R=150×10=1500m