In a new scenario, a different uniform bar is held by a horizontal peg as shown...

 

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In a new scenario, a different uniform bar is held by a horizontal peg as shown above. The bar is initially motionless but is free to rotate around the peg with negligible friction. A ball of clay is dropped onto the bar in the position shown. The clay collides with and sticks to the bar. (c) During this collision, is the linear momentum of the clay-bar system constant? Justify your answer. In a new scenario, a different uniform bar is held by a horizontal peg as shown above. The bar is initially motionless but is free to rotate around the peg with negligible friction. A ball of clay is dropped onto the bar in the position shown. The clay collides with and sticks to the bar. (c) During this collision, is the linear momentum of the clay-bar system constant? Justify your answer.