Key Words Flashcards
1
Q
Wavelength
A
The distance between 2 adjacent peaks
2
Q
Frequency
A
The number of wavelengths that pass a point per unit time
3
Q
Progressive wave
A
transfers energy from one place to another
4
Q
Transvers
A
Oscillations that travel perpendicular to propagation
5
Q
Speed of a wave
A
C = fwavelength
6
Q
Period
A
The time taken for one complete oscillation
7
Q
Frequency =
A
1/t
8
Q
Velocity
A
The rate of change of displacement
9
Q
Acceleration
A
Rate of change of velocity
10
Q
Acceleration =
A
Change in v/ change in t
11
Q
Force
A
M x a
12
Q
Momentum =
A
mv
13
Q
Force
A
Rate of change of momentum
14
Q
Kinetic energy =
A
1/2 mv^2
15
Q
Gravitational potential energy
A
mg^h
16
Q
Power
A
The rate of conversion of energy
17
Q
Power
A
W/t or fv
18
Q
Density
A
m / v
19
Q
Hooke’s law
A
K change in L
20
Q
Weight
A
M x g
21
Q
Current
A
^Q/^t
22
Q
Voltage =
A
W/Q
23
Q
Volt
A
1 joule per coulomb
24
Q
Resistivity =
A
RA/l
