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38 Cards in this Set
- Front
- Back
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Ek = 1/2mv^2 |
kinetic energy = 1/2 x mass x speed^2 |
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Ep = mgh |
GPE = mass x gravitational field strength x height |
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P = W/t = E/t |
power = work done / time taken = energy transferred / time taken |
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efficiency |
efficiency = useful energy output / total energy output efficiency = useful power output / total power input |
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Q = it |
charge flow = current x time |
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V = IR |
potential difference = current x resistance |
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V = IR |
potential difference = current x resistance |
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P = IV |
power = current x potential difference |
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V = IR |
potential difference = current x resistance |
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P = IV |
power = current x potential difference |
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P = I^2R |
power = (current^2) x resistance |
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V = IR |
potential difference = current x resistance |
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P = IV |
power = current x potential difference |
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P = I^2R |
power = (current^2) x resistance |
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E = Pt |
energy transferred = power x time |
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V = IR |
potential difference = current x resistance |
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P = IV |
power = current x potential difference |
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P = I^2R |
power = (current^2) x resistance |
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E = Pt |
energy transferred = power x time |
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E = QV |
energy transferred = charge flow x potential difference |
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V = IR |
potential difference = current x resistance |
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P = IV |
power = current x potential difference |
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P = I^2R |
power = (current^2) x resistance |
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E = Pt |
energy transferred = power x time |
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E = QV |
energy transferred = charge flow x potential difference |
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d = m/v |
density = mass / volume |
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V = IR |
potential difference = current x resistance |
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P = IV |
power = current x potential difference |
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P = I^2R |
power = (current^2) x resistance |
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E = Pt |
energy transferred = power x time |
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E = QV |
energy transferred = charge flow x potential difference |
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d = m/v |
density = mass / volume |
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W = mg |
weight = mass x gravitational field strength |
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W = Fs |
work done = force x distance |
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F = ke |
force = spring constant x extension |
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W = Fs |
work done = force x distance |
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F = ke |
force = spring constant x extension |
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s = vt |
distance travelled = speed x time |
