Question

*Two particles are seen to collide and move jointly together after the collision. During such a collision, for the total system:*

1️⃣ both the mechanical energy and the linear momentum are conserved
2️⃣ linear momentum is conserved but not the mechanical energy
3️⃣ neither the mechanical energy nor the linear momentum is conserved
4️⃣ mechanical energy is conserved but not the linear momentum​

Answer 1

Answer:

Linear momentum is conserved but not the mechanical energy