Help please thank you

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

Explain why you think this diagram shows what happened to the carbon in the biodome.

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.