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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A hockey player receives a corner shot at a speed of 15 ms⁻¹ at an angle of 30° with the y-axis and then shoots the ball of mass 100 g along the negative x-axis with a speed of 30 ms⁻¹. If it remains in contact with the hockey stick for 0.01 s, the force imparted to the ball in the x-direction is [Manipal 2008]

Answer: (D)

Solution

Initial x-component of velocity = 15 sin30° = 7.5 ms⁻¹. Final x-component = −30

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Question ID VK-152878