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28 Cards in this Set
- Front
- Back
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Density p |
mass/Volume m/V |
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pressure p |
Force/Area F/A |
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Kinetic Energy E |
1/2 x mass x velocity squared 1/2 x m x v2 |
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Gravitational Potential Energy GPE |
mass x gravitational field strength x height m x g x h |
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speed s |
distance/time d/t |
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Accelerating Force F |
mass x acceleration m x a |
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acceleration a |
change in velocity/time taken ^v/^t |
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Efficiency |
Useful energy output/total energy input |
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work done w |
Force x distance F x d |
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Power P |
Work Done/time taken W/t |
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Law of conservation of energy |
loss of p.e = gain of k.e |
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weight w |
mass x gravitational field strength m x g |
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pressure in liquid p |
density x gravitational field strength x depth p x g x h |
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Charge Q |
Current x time I x t |
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Voltage V |
Current x Resistance I x R |
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Moment about a pivot Moment |
Force x perpendicular distance from the pivot F x d |
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Electrical Power P |
Current x Voltage I x V |
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wave speed v |
frequency x wavelength f x weird triangle tent thing like a y reflected upwards |
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refractive index n |
sin angle of incidence/sin angle of refraction sin i/sin r |
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refractive index n (Total internal reflection) |
1/sin critical angle 1/sin c |
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In a distance-time graph, gradient equals... |
velocity |
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In a velocity-time graph, the gradient equals... |
acceleration |
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In a velocity-time graph, distance travelled equals... |
Area under graph |
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momentum p |
mass x velocity m x v |
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Input Voltage/Output Voltage Vp/Vs |
Primary Turns/Secondary Turns Np/Ns |
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Electrical energy E |
power x time p x t |
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Sum of clockwise moment |
Sum of anticlockwise moment |
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Voltage V |
Energy/Charge E/Q |
