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conservation of Energy
Term | Definition |
---|---|
energy | is the ability to do work |
kinetic energy | energy that an object has due to its motion |
kinetic energy | calculated by taking 1/2 of the product of the mass times the square of the velocity |
potential energy | energy that an object has due to its shape or position |
graviatational potential energy | energy an object has due to its height above the earth's surface and its weight |
law of conservation of energy | states that energy can neither be created nor destroyed by ordinary means |
mechanical energy | the energy associated with motion (kinetic energy) |
heat energy | the internal energy of a body (the total kinetic and potential energy of the particles in the body) |
chemical energy | the energy a substance has due to the chemical bonds found within its molecules |
electromagnetic energy | energy associated with a moving electric charge |
nuclear energy | the energy contained within the nucleus of an atom (most concentrated form of energy) |
the more massive body | consider two moving objects. each is moving at the same velocity. one is more massive than the other. which one has the greate kinetic energy |
the body with the higher speed | consider two bodies of the same mass. one is moving faster than the other. which one has the greater kinetic energy |
kinetic energy to potential energy | one of the most common energy conversions involges te changing of what? |