A $$100$$ g iron ball having velocity $$l0$$ $$m/s$$ collides with a wall at an angle $$30$$° and rebounds with the same angle. If the period of contact between the ball and wall is $$0.1$$ second, then the force experienced by the wall is

Question

Infinity Learn · Accepted Answer

During collision of ball with the wall horizontal momentum changes (vertical$$ momentum remains $$constant)∴ F $$=$$ Change in horizontal momentumTime of $$contact=$$ $$2P$$ $$cos$$ θ$$0.1$$ $$=$$ $$2mv$$ $$cos$$ θ$$0.1=$$ $$2$$×$$0.1$$×$$10$$×$$cos$$ $$6000.1$$ $$=$$ $$10$$ N

A 100 g iron ball having velocity l0 m/s collides with a wall at an angle 30° and rebounds with the same angle. If the period of contact between the ball and wall is 0.1 second, then the force experienced by the wall is

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