Equations Flashcards
1
Q
Kinetic Energy
A
Kinetic Energy = 0.5 x Mass x speed^2
Ek = 1/2 x mv^2
2
Q
Potential Difference
A
Potential Difference = Current x Resistance
V = IR
3
Q
Wave Speed
A
Wave Speed = Frequency x Wavelength
4
Q
Energy Transfer
A
Energy Transfer = Power x Time
5
Q
Distance Travelled
A
Distance Travelled = Speed x Time
s = vt
6
Q
Weight
A
Weight = Mass x Gravitational Field Strength W = mg
7
Q
Efficiency
A
Efficiency = Useful power output ÷ Total power input
8
Q
Work Done
A
Work Done = Force x Distance
W= Fs
9
Q
Density
A
Density = Mass ÷ Volume
10
Q
Resultant Force
A
Resultant Force = Mass x Acceleration
11
Q
Energy Transferred
A
Energy Transferred = Charge Flow x Potential Difference
E = QV
