1. An object with a mass of m=2 slug is accelerated at a rate of a = 15 ft s-2 Calculate the next force exerted upon this object.

J. j. thomson’s experiment disproved the theory that an atom

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.

Which of these are physical changes in matter? check all that apply. boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese