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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

A particle is projected at an angle of above the horizontal with a speed of . After some time, the direction of its velocity makes an angle of above the horizontal. The speed of the particle at this instant is

Answer: (A)

Solution

Horizontal velocity is conserved: \cos\cos$60° ⇒ v =

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Question ID VK-158020