Questions
An enemy plane is flying horizontally at an altitude of 2 km with a speed of 300 ms-1. An armyman with an anti - aircraft gun on the ground sights the enemy plane when it is directly overhead and fires a shell with a muzzle speed of 600 ms-1. At what angle with the vertical should the gun be fired so as to hit the plane ?
detailed solution
Correct option is B
They should have same horizontal displacement.300t=Ucosθt300=600cosθθ=60∘ with horizontal withvertical →30∘.Talk to our academic expert!
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