Based on the principle of conservation of linear momentum, the final total momentum of both carts compared to the initial total momentum is the same if no external forces are added.
The given information;
- two carts have equal initial momentum before
- after collision, cart B has greater final velocity
According to the principle of conservation of linear momentum, the total momentum before collision is equal to the total momentum after collision.
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
where;
- m₁ and m₂ are the masses of the two carts
- u₁ and u₂ are the initial velocities of the two carts
- v₁ and v₂ are the final velocities of the two carts after collision
Thus, based on this principle (conservation of linear momentum), the final total momentum of both carts compared to the initial total momentum is the same if no external forces are added.
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