The first law of thermodynamics statesbthat heat added to a system is neither created nor destroyed but is

In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than

Asystematic approach to problem solving is called a (an)

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?