The drawing shows a version of the loop-the-loop trick for a small car. The radius of the loop = 0.48 m. What is minimum initial speed () that the car needs to have in order to remain in contact with the circular track at all times?

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.