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Flashcards in Physics Deck (32)
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1
Q

Milli

A

1/1000

2
Q

Mega

A

10^6

3
Q

Hecto

A

10^2

4
Q

1 inch is how many centimeters

A

2.54cm

5
Q

Kilo

A

10^3

6
Q

Deka

A

10^1

7
Q

Deci

A

1/10

8
Q

Cent

A

1/100

9
Q

1kg = ?lbs

A

2.2lbs

10
Q

1 liter = ?oz

A

33.8 oz

11
Q

1 gallon = ? Liter

A

3.79 liter

12
Q

Fahrenheit to Celsius

A

F=9/5C+32

13
Q

Celsius to Fahrenheit

A

C=5/9(F-32)

14
Q

Water freezes at

A

32F, 0C, 273K

15
Q

Water boils at

A

212F, 100C, 373K

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

A

Work/time

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
Q

Doppler Effect

A

Source of sound, listener, or both are moving closer or farther apart

26
Q

Electromagnetic spectrum

A

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
Q

Law of reflection

A

Angle of incidence is equal to the angle of reflection

28
Q

Concave mirror

A

Or converging mirror, curve inward

29
Q

Convex mirror

A

Diverges light away

30
Q

Conduction

A

Heat transfer through contact

31
Q

Convection

A

Heat transfer by moving heat particles

32
Q

Radiation

A

Electromagnetic waves transmitting heat