Equations Flashcards
1
Q
Average Speed
A
Distance moved/time taken
2
Q
Acceleration
A
Change in velocity/time taken
3
Q
Final speed ^2
A
Initial speed ^2 + 2accelerationdistance moved
4
Q
Force
A
Mass*acceleration
5
Q
Weight
A
Mass*gravitational field strength
6
Q
Power
A
Current*voltage
7
Q
Energy transferred
A
Currentvoltagetime
8
Q
Voltage
A
Current*resistance
9
Q
Charge
A
Current*time
10
Q
Energy transferred
A
Charge*voltage
11
Q
Wave speed
A
Frequency*wavelength
12
Q
Frequency
A
1/time period
13
Q
Refractive index
A
Sin of angle of incidence/ Sin of angle of refraction
14
Q
Sin of critical angle
A
1/ refractive index
15
Q
Efficiency
A
(Useful energy output/ total energy output) *100
