Conceptual physics Midterm Exam Questions with Correct Answers

Conceptual physics Midterm Exam Questions with Correct Answers temperature at which a solid state changes to a liquid state - Answer-melting point can result from adding or removing thermal energy - Answer-change of state the change of state from a gas to a liquid - Answer-condensation temperature at which matter changes from liquid to solid - Answer-freezing point stored energy resulting form the interactions between particles or objects - Answerpotential energy vaporization that occurs only at the surface of a liquid - Answer-evaporation the energy an object has due to its motion - Answer-kinetic energy gas becomes solid without first becoming liquid - Answer-deposition total potential and kinetic energy of an object - Answer-thermal energy solid becomes gas without first changing to liquid - Answer-sublimation measure of the average kinetic energy of all the particles in an object - Answertemperature kinetic energy stops increasing and the potential energy starts increasing - Answerboiling point change in state form a liquid to a gas - Answer-vaporization how far does a horse travel if it gallops at an average speed of 25km/h for 30 minutes - Answer-25khm/h x .5 = 12.5 resistance to motion - Answer-inertia push or pull - Answer-force how fast something moves - Answer-speed the rate which velocity changes with time - Answer-acceleration speed of an object in a given direction - Answer-velocity total distance traveled by the time of travel - Answer-average speed henry weighs 1200N and stands on a pair of scales so that one scale reads twice as much as the other. What are the scale readings - Answer-400N and 800N Archimedes principle states that - Answer-an object immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid one morning you discover that a tire on your auto is in need of air. As you add air to the tire, what happens. - Answer-the pressure of the air in the tire increases, the number of moles of air in the tire increases, and the density of the air in the tire increased