If you add km/ hr with another km/ hr what will you get​

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

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.

What does si stand for, when referring to a system of measurement