Physics Final 2

Front 1

constant velocity

Back 1

net force is zero and acceleration is zero

Front 2

weight

Back 2

newtons

Front 3

weight

Back 3

mass x acceleration

Front 4

mass

Back 4

is not weight

Front 5

vectors

Back 5

velocity, displacement, momentum, force, and acceleration

Front 6

joules

Back 6

energy

Front 7

scalar quantities

Back 7

speed, distance, time and energy

Front 8

acceleration

Back 8

slope of the velocity-time graph

Front 9

unbalanced net force

Back 9

must produce acceleration

Front 10

velocity

Back 10

slope of the distance-time graph

Front 11

equilibrant vector

Back 11

equal in magnitude but opposite in direction to the resultant vector

Front 12

momentum

Back 12

mass x velocity

Front 13

a

Back 13

m/sec²

Front 14

F

Back 14

kg x m/sec²

Front 15

work

Back 15

Fd

Front 16

joule

Back 16

kg x m²/sec²

Front 17

gravitational potential energy

Back 17

increases as height increases

Front 18

kinetic energy

Back 18

changes only if velocity changes

Front 19

joules/sec

Back 19

unit for power

Front 20

steam and liquid water molecules

Back 20

at 100 degrees have equal kinetic energy

Front 21

absolute zero

Back 21

-273 degrees Kelvin

Front 22

-273 degrees Kelvin

Back 22

is equal to zero degrees Celsius

Front 23

temperature

Back 23

measures the average kinetic energy of the molecules

Front 24

phase changes

Back 24

due to potential energy changes

Front 25

internal energy

Back 25

always flows from an object at higher temperature to one of lower temperature

Front 26

sound waves

Back 26

longitudinal and mechanical

Front 27

Slows down, bends toward the normal and has a shorter wavelength

Back 27

What happens to light when it enters a higher value medium

Front 28

normal

Back 28

All angles in wave problems are measured to the?

Front 29

blue light

Back 29

has more energy

Front 30

red light

Back 30

blue light has a shorter wavelength and a higher frequency than?

Front 31

electromagnetic spectrum

Back 31

1. Radio
2. Infrared
3. Visible
4. Ultraviolet x-ray
5. Gamma

Front 32

light waves

Back 32

Are transverse

Front 33

3.0 x 10⁸ m/sec in vacuum

Back 33

speed of all types of electromagnetic waves?

Front 34

amplitude of sound wave

Back 34

determines its volume

Front 35

Doppler Effect

Back 35

Wave source moving toward you will generate waves with a shorter wavelength and higher frequency

Front 36

its wavelength decreases

Back 36

as the frequency of a wave increases

Front 37

transverse wave particles

Back 37

vibrate perpendicular to the wave direction

Front 38

radio waves

Back 38

electromagnetic and travel at speed of light

Front 39

real images

Back 39

can be shown on a screen and are always inverted

Front 40

virtual images

Back 40

are always upright

Front 41

frequency

Back 41

As light waves bend away from the normal, this remains constant?

Front 42

light rays

Back 42

Bend away from the normal as they gain speed and a longer wavelength by entering a slower medium

Front 43

coulomb

Back 43

Is charge?

Front 44

amp

Back 44

Is current?

Front 45

amp

Back 45

coulomb/sec

Front 46

volt

Back 46

potential difference

Front 47

volt

Back 47

joule/coulomb

Front 48

short fat cold wires

Back 48

make the best conductors

Front 49

1.6 x 10^-19 coulombs

Back 49

charge of electrons and protons

Front 50

electrons and protons

Back 50

have equal amounts of charge

Front 51

decreases total resistance of a circuit

Back 51

adding a resistor in parallel?

Front 52

increases total resistance of a circuit

Back 52

adding a resistor in series?

Front 53

equal current

Back 53

all resistors in series have?

Front 54

equal voltage

Back 54

all resistors in parallel have?

Front 55

insulators

Back 55

contain no free electrons

Front 56

potential energy

Back 56

stored energy

Front 57

kinetic energy

Back 57

energy of an object due to motion

Front 58

law of conservation of energy

Back 58

energy can be neither created nor destroyed

Front 59

elastic collision

Back 59

kinetic energy doesn't change

Front 60

inelastic collision

Back 60

kinetic energy decreases

Front 61

heat

Back 61

energy that flows between two objects as a result of a difference in temperature

Front 62

temperature

Back 62

the "hotness" of an object as measured using a specific scale

Front 63

kelvin

Back 63

interval on a scale that is equal to the size of one Celsius degree

Front 64

absolute zero

Back 64

-273 C

Front 65

specific heat

Back 65

amount of energy that must be added to the material to raise the temperature of a unit mass one temperature unit

Front 66

buoyant force

Back 66

upward force exerted on an object immersed in fluid

Front 67

Bernoulli's Principle

Back 67

As the velocity of a fluid increases, the pressure exerted by that fluid decreases

Front 68

Archimedes' Principle

Back 68

An object immersed in a fluid has an upward force on it equal to the weight of the fluid displaced by the object

Front 69

transverse wave

Back 69

vibrates perpendicular to the direction of wave motion

Front 70

longitudinal wave

Back 70

vibrates parallel to the direction of wave motion

Front 71

frequency

Back 71

number of complete oscillations a wave makes each second

Front 72

amplitude

Back 72

maximum distance an object moves from equilibrium in any periodic motion

Front 73

wavelength

Back 73

shortest distance between points where the wave pattern repeats itself

Front 74

light

Back 74

electromagnetic radiation with wavelengths from 400 to 700 nm

Front 75

sound level

Back 75

a logarithmic scale that measures amplitude in decibels

Front 76

refraction

Back 76

change in the direction of waves crossing a boundary between two different media

Front 77

law of reflection

Back 77

states that the angle of incidence is equal to the angle of reflection

Front 78

diffraction

Back 78

bending of waves around a barrier

Front 79

Doppler Effect

Back 79

Frequency is higher when the vehicle is moving toward you, then it suddenly drops to a lower pitch as the source moves away

Front 80

primary colors

Back 80

red, green, and blue

Front 81

secondary colors

Back 81

yellow, cyan, and magenta

Front 82

concave mirror

Back 82

reflects light from its inner surface

Front 83

convex mirror

Back 83

reflects light from its outer surface

Front 84

convex lens

Back 84

is thicker at the center than at the edges

Front 85

concave lens

Back 85

is thinner in the middle than at the edges

Front 86

real image

Back 86

rays actually converge and pass through the image

Front 87

virtual image

Back 87

rays do not actually converge on that point

Front 88

ampere

Back 88

base SI unit of current; one coulomb per second

Front 89

resistance

Back 89

ratio of the voltage across a device to the current through it

Front 90

coulomb

Back 90

SI unit of electrical charge

Front 91

series circuit

Back 91

current passes through each device, one after another

Front 92

parallel circuit

Back 92

Several current paths, whose total current equals the sum of the currents in its branches