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Questions  

An airplane moving horizontally with a speed of 180 km/hr drops a food packet while flying at a height of 500 m. The horizontal range is:

a
180 m
b
980 m
c
500 m
d
670 m

detailed solution

Correct option is C

s = ut + 12gt2500 = 12×10×t2 or t = 10 sec.Horizontal range x = 180×518×10 = 500 m

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An aeroplane 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 it directly reaches them ?


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