Consider a collision between two objects. If the net external force acting on th

Question

Consider a collision between two objects. If the net external force acting on the objects is zero, then hellips the total momentum of the two objects is not conserved but the total kinetc energy of the two objects is conserved. the total momentum of the two objects and the total kinetic energy of the two objects are conserved. the total momentum of the two objects is conserved but the total kinetic energy of the two objects is not necessity conserved. In a perfectly inelastic collision between two objects. kinetic energy is conserved. the objects move in opposite directions after the collision the final velocity of both objects is the same.

Explanation / Answer

1) From Newton's second law of motion, if no net external force acts on the system, then the total emometnum of the system is conserved.. Thus, the second option is correct.

2) In a perfect in elastic collision both the objects stick together after collision, and hence possess same velocity.

3) Both the objects move with some angle making with North of East

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