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23 Cards in this Set
- Front
- Back
Average speed = |
Distance / time |
|
Acceleration = |
Change in velocity / time |
|
Force = |
Mass × acceleration |
|
Weight = |
Mass × gravitational field strength |
|
Momentum = |
Mass × velocity |
|
Moment = |
Force × perpendicular distance from pivot |
|
Power = |
Current x charge |
|
Voltage = |
Current × resistance |
|
Charge = |
Current × time |
|
Wave speed = |
Frequency × wavelength |
|
Refractive index (n) = |
Sin i / sin r |
|
Sin c = |
1 / n |
|
Efficiency = |
Useful energy output / total energy output |
|
Work done = |
Force × distance moved |
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Gravitational potential energy = |
Mass × g × height |
|
Kinetic energy = |
1/2 × mass × velocity^2 |
|
Energy transferred = |
Work done |
|
Density = |
Mass / volume |
|
Pressure = |
Force / area |
|
Pressure difference = |
Height × density × g |
|
Input (primary) voltage / output (secondary) voltage = |
Primary turns / secondary turns |
|
Input power = |
Output power (100% efficiency) |
|
VpIp = |
VsIs |