physics equations
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Last updated 7:11 PM on 11/30/22
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22 Terms
1
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kinetic energy
1/2 x mass x speed2
2
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efficiency (%)
useful energy output/ total energy input
3
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gravitational potential energy
mass x gravitational field strength x change in height
4
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power (energy transferred)
energy transferred/time
5
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power (work done)
work done/time
6
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charge
current x time
7
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potential difference (V)
current x resistance
8
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power (current)
current2 x resistance
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energy transferred (power)
power x time
10
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energy transferred (charge)
charge x potential difference
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density (g/cm3)
mass/volume
12
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acceleration (m/s2)
final velocity-initial velocity/time
13
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a
v - u/t
14
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velocity (m/s)
displacement/time
15
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moment (Nm)
force x perpendicular distance from pivot
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pressure (N/m2)
force/area
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speed (m/s)
distance/time
18
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force (mass)
mass x acceleration
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force (momentum)
change in momentum / time
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weight (gfs)
mass x gfs
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momentum
mass x velocity
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stoppi
braking distance + thinking distance