So i went over a question asking what would happen if we played soccer and inertia didnt exist but i still have questions i get that the ball would stop when it left my hand/foot but why would it stop?

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

What is the coefficient of kinetic friction μk between the block and the tabletop?

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.