Physics Flashcards

1
Q

Milli

A

1/1000

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2
Q

Mega

A

10^6

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3
Q

Hecto

A

10^2

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4
Q

1 inch is how many centimeters

A

2.54cm

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5
Q

Kilo

A

10^3

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6
Q

Deka

A

10^1

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7
Q

Deci

A

1/10

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8
Q

Cent

A

1/100

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9
Q

1kg = ?lbs

A

2.2lbs

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10
Q

1 liter = ?oz

A

33.8 oz

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11
Q

1 gallon = ? Liter

A

3.79 liter

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12
Q

Fahrenheit to Celsius

A

F=9/5C+32

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13
Q

Celsius to Fahrenheit

A

C=5/9(F-32)

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14
Q

Water freezes at

A

32F, 0C, 273K

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15
Q

Water boils at

A

212F, 100C, 373K

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16
Q

Velocity

A

Displacement/time

17
Q

Momentum

A

Mass x velocity

18
Q

Acceleration

A

Change in velocity/change in time

19
Q

Work

A

Force x displacement

20
Q

Power

21
Q

Newton’s first law of motion

A

An object at rest tends to stay at rest, and an object in motion tends to stay in motion at a constant speed in a straight line, unless acted upon by an unbalanced force.

22
Q

Newton’s second law of motion

A

Acceleration = net force / mass

23
Q

Law of universal gravitation

A
Fg = Gm1m2/r^2
G= 6.67x10^-11
24
Q

Frequency

A

Rate of vibration, creates pitch, measured in hertz (Hz)

25
Doppler Effect
Source of sound, listener, or both are moving closer or farther apart
26
Electromagnetic spectrum
Lowest to highest: radio waves, microwaves, infrared waves, visible light, ultraviolet light, x-rays, gamma rays. In colors red has lowest frequency, violet the highest
27
Law of reflection
Angle of incidence is equal to the angle of reflection
28
Concave mirror
Or converging mirror, curve inward
29
Convex mirror
Diverges light away
30
Conduction
Heat transfer through contact
31
Convection
Heat transfer by moving heat particles
32
Radiation
Electromagnetic waves transmitting heat