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Chapter 5 Vocab

QuestionAnswer
Reference point A place or object used for comparison to determine if something is in motion.
Distance SI unit Meter (measures the length of a path between two units)
Speed The distance an object moves per unit of time.
Average speed Calculate the total distance traveled by the total time. (Speed = Distance/Time)
Instantaneous speed The speed at which an object is moving at a given instant time
Velocity Speed in a given direction . if you know the speed and direction of an object, then you know the velocity
Graphing motion Plotting time on the x-axis and distance on the y-axis
Slope is the steepness of the line, shows how fast one variable changes in relation of the other variable. Slope=rise/run.
Power The rate at which energy is transferred, or the amount of energy transferred in a unit of time. Power= Energy Transferred/Time
Kinetic Energy The energy an object has due to its motion.
Potential Energy The energy an object has because of its position, also the internal stored energy of an object, such as energy stored in chemical bonds.
Gravitational Potential Energy Potential energy related to an object’s height.
Elastic Potential Energy The energy that can be associated with objects that can be compressed or stretched.
Mechanical Energy The form of energy associated with the motion, position, and shape of an object.
Nuclear Energy The energy stored in the nucleus of an atom.
Thermal Energy The total potential and kinetic energy of the particles in an object.
Electrical Energy The energy of electrical charges
Electromagnetic Energy The form of energy that travels through space in waves.
Chemical Energy The potential energy stored in chemical bonds
Energy Transformations a change in energy from one to another.
Law of the Conversation of Energy Energy cannot be created or destroyed just changed from one form to another.
Created by: user-2006722
 

 



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