Refer to the following scenarios: The diagram below illustrates two hypothetical

Question

Refer to the following scenarios: The diagram below illustrates two hypothetical collisions that take place on a level, frictionless surface. None of the objects are anchored to the surface in any way. The collisions are shown from a top-view perspective. All pucks are identical. If a linear or angular velocity is not specified, it is zero. If distances appear to be equal, assume that they are. State whether the collision depicted in Case 1 could or could not occur. If the collision cannot occur, state all physical laws being violated by the collision. Collision may occur. Collision may not occur, because ... State whether the collision depicted in Case 2 could or could not occur. If the collision cannot occur, state all physical laws being violated by the collision. Collision may occur. Collision may not occur, because...

Explanation / Answer

9) in case 1)

momentum before collision = m*vo

let m be the mass of the puck

momentum after collision = m*vo

So here law of conservation of momentum is valid ,so the collision may occurs

10) in case 2)

momentum before collision = m*vo + m*vo = 2*m*vo

momentum after collision = 0

here law of conservation of momentum is not valid and it is said to be violated

so we can say that collision may not occur because the law of conservation of momentum is violated

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