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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

A ball is projected upwards from the top of a tower with a velocity ms making an angle with the horizontal. The height of the tower is m. After how many seconds from the instant of throwing will the ball reach the ground?

Answer: (C)

Solution

m/s (upward); taking downward displacement of m as negative:

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Question ID VK-158313