Find the kinetic energy of a ball of mass 200 grams moving at a speed of 20 m/s.​

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.

Does anyone have the answers to online physics course plato course physics, semester a v3.0

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.