The diagram shows two pulses, each with a length of m, traveling toward each other at equal speed. What is the resulting pulse when the meet? A. 0m B. 4m downward C. 4m upward D. 8m upward​

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