Introductory Physics by John D. Mays Chapter 4 Flashcards

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Gravitational Potential Energy

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For The Oaks Tutorials 9th and 10th Grade Classes, for study purposes only.

20 Terms

1

Gravitational Potential Energy

Stored energy due to an object’s location in a gravitational field.

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2

Kinetic Energy

Energy an object possesses by virtue of its motion.

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3

Electromagnetic Radiation

Waves (or photons) of pure energy at any wavelength in the electromagnetic spectrum.

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4

Chemical Potential Energy

The energy stored in the bonds between atoms in compounds.

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5

Electrical Energy

Energy flowing in electrical conductors.

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6

Thermal Energy

Energy an object possesses due to being heated.

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7

Elastic Potential Energy

Energy stored in a stretched or compressed object or substance.

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8

Nuclear Energy

The use of controlled nuclear fission to produce steam which then powers a turbine and generates electricity; energy released from a nuclear reaction.

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9

Acoustic (Sound) Energy

Energy transported by sound waves.

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10

Law of Conservation of Energy

Energy can be neither created nor destroyed, only changed in form.

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11

Formula for Gravitational Energy

EG= mgh

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12

Formula for Kinetic Energy

EK = ½mv²

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13

Formula for Velocity with Given Values

v = √2EK/m

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14

friction

A force that converts the kinetic energy of motion into heat.

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15

efficiency

In any system or process, the ratio of usable energy out to energy in.

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16

heat

Energy in transit from a warm body or region to a cooler one by means of infrared radiation, thermal conduction, or convection.

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17

work

A mechanical process whereby energy is transferred from one object to another by a force pushing through a certain distance.

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18

internal energy

The sum of all the kinetic energies possessed by all the particles in a substance.

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19

energy

One of the basic constituents of the universe, the others being matter and intelligence.

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20

Joule

1 J = 1 kg * m/s² * m = 1 (kg *m²/s²)

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