Formulas
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23 Terms
1
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density
mass / volume
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distance travelled
speed x time
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acceleration
change in velocity / time
4
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kinetic energy
0\.5 x mass x velocity(square)
5
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force
mass x acceleration
6
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momentum
mass x velocity
7
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work done
force x distance moved
8
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power
work done / time
9
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force exerted by a spring
spring constant x extension
10
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gravity force
mass x gravitational field strength
11
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potential energy
mass x height x gravitational field strength
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weight
mass × gravitational field strength
13
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resultant force
mass × acceleration
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power
energy transferred / time
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efficiency
useful output energy transfer / total input energy transfer
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efficiency
useful power output / total power input
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wave speed
frequency × wavelength
18
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charge flow
current × time
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potential difference
current × resistance
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power
potential difference × current
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power
(current)(squared) × resistance
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energy transferred
power × time
23
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energy transferred
charge flow × potential difference