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Physics Unit 1 > Unit 1 > Flashcards

Unit 1 Flashcards

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1
Q

All things can be classified as

A

Matter or energy

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2
Q

Matter does what

A

Occupies space
Has mass
Composed of building blocks called atoms and molecules

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3
Q

What are the three fundamental units of measurement
Fuck My Life Today

A

Mass, Length, & Time

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4
Q

What are the derived units of measurement
Druggies Vigorously Attacked Five Mothers With Poop

A

Velocity, Acceleration, Force, Momentum, Work, & Power

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5
Q

Special Radiologic Quantities
Some Elephants Do Drugs Routinely

A

Exposure, Dose, Dose Equivalent, & Radioactivity

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6
Q

British System of Measure
Hint: Normal for us

A

Mass-Pound
Length-Foot
Time-Second

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7
Q

SI Units of Measure

A

Mass-Kilo
Length-Meter
Time-Second

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8
Q

What are the 2 states of energy

A

Kinetic
Potential

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9
Q

Chemical Energy exists through

A

Chemical Reactions

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10
Q

Electrical Energy is created by

A

A flow of electrons

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11
Q

Thermal Energy exists because of

A

Atomic and Molecular motion

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12
Q

Einstein’s Theory of Relativity states

A

Matter can be turned into energy- Energy can be turned into matter

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13
Q

Exposure is what

A

Intensity & in air

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14
Q

Absorbed Dose is what

A

Starts when hits patient - What causes biologic effects on humans

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15
Q

Dose Equivalent takes whay into consideration

A

The source of radiation

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16
Q

Effective Dose takes what into consideration

A

Tissue type irradiated

17
Q

Exposure/ Intensity is measured in what

A

C|Kg Roentgen

18
Q

Absorbed Dose is measured in what

A

Gray Rad

19
Q

Dose Equivalent is measured in what

A

Sieverts Rem

20
Q

Radioactivity is measured in what

A

Becquerels Curie

21
Q

Primary Barrier

A

Where primary beam is directed
(1/16 inch of lead)

22
Q

Secondary Barrier

A

Wall separating the control panel from the room
(1/32 inch of lead)

23
Q

1 R= what

A

2.58 X 10(4) C/Kg

24
Q

Roentgen’s lab was located where

A

Wurzburg, Germany

25
Q

Newton’s first law of motion states

A

A body will remain at rest or will continue to move with constant velocity in a straight line unless acted on by an external force

26
Q

Velocity definition

A

Rate of change of an object’s position over time; speed

27
Q

Acceleration definition

A

Rate of change of velocity over time

28
Q

Weight definition

A

Force on a body caused by the pull of gravity on it

29
Q

Momentum definition

A

The product of mass and velocity

30
Q

Work definition

A

The product of force and distance

31
Q

Power definition

A

The quotient of work by time

32
Q

Energy definition

A

The ability to do work

33
Q

Heat definition

A

The kinetic energy of the random motion of molecules

Physics Unit 1 (1 decks)

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