It's real easy but I don't know how to explain stuff ... how does condensation get inside of a container?​

Explanation:

From https://epgna.com/stop-condensation-shipping-container

"[C]ontainer condensation occurs when the walls of a container become cooler than the dew point of the air found inside the container... Once this occurs, the moisture falls out of vapor into liquid form, which then builds and collects on the walls and roof"

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

answerscientific theory;