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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

A coastguard ship locates a pirate ship at a distance m. It fires a cannon ball with an initial speed m/s. At what angle from horizontal must the ball be fired so that it hits the pirate ship?

Answer: (C)

Solution

\dfrac{u^2\sin2θ}{g}\sin\dfrac{560×9.8}{82^2}\dfrac{5488}{6724}\ap$

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Question ID VK-158280