Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Intensity formula (I) for spherically symmetric sound |
Power / surface area of sphere |
|
|
|
C sound |
340 m/s |
|
|
|
C light |
3x10^8 m/s |
|
|
|
B (decibel) formula |
10log(I/Io) where Io= 10^(-12) W/m^2 |
|
|
|
Wave speed formula (C) |
Lambda- wavelength. T- period. F- frequency |
|
|
|
Doppler effect for sound |
With motion of source and observer. Remember, it's obs/source |
|
|
|
Doppler effect for light |
V rel= relative velocity of source and observer |
|
|
|
Electromagnetic spectrum |
Raging Martians Invaded Venus Using X-ray Guns |
|
|
|
Felec |
k= 9 x 10^9 Nm^2/C^2 |
|
|
|
Uelec- electrical potential energy |
(remember work= force x distance ?) |
|
|
|
Velec (potential) |
kQ/ r (volts) |
|
|
|
Newton units |
(kg•m)/s^2 |
Remember we get it from F=ma |
|
|
Energy formula |
1/2 mv^2 |
|
|
|
Ft to m |
1 ft = 0.305 m |
|
|
|
m/s to MPH |
1 m/s= 2.2 mph |
|
