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Physical Science > Chapter 6 > Flashcards

Chapter 6 Flashcards

1
Q

Potential energy

A

Stored energy

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2
Q

Kinetic energy

A

Energy in motion

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3
Q

What energy has both potential and kinetic energy?

A

Mechanical energy

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4
Q

Most real world collision is elastic.

A

False, partially elastic

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5
Q

Examples of acoustic sources

A

earthquakes, explosions, bass speakers, submarine sonar equipment, human vocal cords, piccolos, jet engines, dog whistles, bats, and medical ultra sound diagnostic equipment

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6
Q

Force

A

Push or pull

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7
Q

Work

A

Product of a force of an object

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8
Q

Mechanical energy

A

The motion of objects

Has potential and kinetic energy

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9
Q

Thermal energy

A

The sum total motion of all atoms and molecules in an object
Kinetic energy of particles

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10
Q

Acoustic energy

A

the transmission of energy through matter by particle oscillations that occur in specific directions

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11
Q

Electrical energy

A

Charged objects exert field force, charged particles

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12
Q

Magnetic energy

A

Deals with magnetic field force

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13
Q

Radiant energy

A

Deals with magnetism and electricity

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14
Q

Chemical energy

A

Results from chemical changes

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15
Q

Nuclear energy

A

Energy in nuclear bonds

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16
Q

Mass energy

A

Energy from mass

17
Q

Zero reference position

A

The position from which this distance is measured

18
Q

What’s the sum total motion of all atoms and molecules in an object?

A

Thermal energy

19
Q

What represents the largest potential energy?

A

Mass energy

20
Q

Elastic

A

Kinetic energy is conserved

No real world collision is perfectly elastic

21
Q

Partially elastic

A

collision the rebounding objects are temporarily or permanently deformed in some way
Most real world collisions is perfectly elastic

22
Q

Inelastic collision

A

colliding objects stick together after the collision

Kinetic energy is not consumed

23
Q

Energy

A

Ability to do work

24
Q

How is energy is measured?

A

Joules

25
Q

Gravitational potential energy

A

Increases with height

26
Q

Kinetic energy formula

A

KE=1/2mv2

27
Q

Heat

A

A change in thermal energy

28
Q

Electrical energy

A

forces acting on other electrical charges that can do work

29
Q

Fission

A

Breaks apart

30
Q

Fussion

A

Comes together

31
Q

Where is potential energy stored in chemical energy?

A

In the chemical bonds

32
Q

law of the conservation of energy

A

thoroughly tested scientific law stating that energy can never be created or destroyed, only changed from one form to another

33
Q

What’s the efficiency of a man made transformation?

A

no more than 20%–40% efficient

Physical Science (6 decks)

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