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speed
= distance/time
acceleration =
(final velocity - initial velocity) / time
Force =
mass x acceleration
weight =
mass x gravitational field strength
momentum =
mass x velocity
efficiency =
(useful energy out / total energy in) x 100
wave speed =
frequency x wavelength
speed =
distance / time
density =
mass / volume
work done =
force x distance
GPE =
mass x g x height
KE =
1/2 mass x (velocity)^2
power =
work done / time
charge =
current x time
Potential difference =
current x resistance
power =
energy transferred / time
electrical power =
current x potential difference
electrical power =
current^2 x resistance
force on spring =
spring constant x extension
moment =
force x distance from pivot
pressure =
force / area
Note
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