A helicopter flying horizontally with a speed of 
at an altitude of 2 km, drops an object at an instant. The object hits the ground at a point 
after it is dropped. Displacement of ' 
' from the position of helicopter where the object was released is:
(use acceleration due to gravity 
and neglect air resistance)
A
7.2 km
B
C
D
4 km
Text Solution
Verified by ExpertsThe correct answer is:
C
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