Equations Flashcards
1
Q
Equation for density?
A
Mass / volume
2
Q
Charge
A
Current x time
3
Q
What is the law of reflection
A
Angle of incidence = angle of reflection
4
Q
Force
A
Mass x acceleration
5
Q
State Hook’s Law
A
A material’s extension is proportional to the force
6
Q
Refractive index
A
Angle of incidence / angle of refraction
7
Q
Momentum
A
Mass x velocity
8
Q
Acceleration
A
Change in velocity / time taken
9
Q
Force (momentum)
A
Change in momentum / time taken
10
Q
Orbital speed
A
2 x pie x orbital radius / time period
11
Q
Power
A
Current x voltage
12
Q
Energy transferred
A
Current x voltage x time
13
Q
Voltage
A
Current x resistance
14
Q
Wave speed
A
Frequency x wavelength
15
Q
Frequency
A
1 / time period
