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Density
roe=m/v
speed
v=s/t
acceleration
(u-v)/t
force
f=ma
momentum
p=mv
impulse
imp=ft
moment
moment=force*distance
spring
f=kx
pressure
p=f/A
pressure in liquid
p=roegh
temperature
kelvin=+273
compressing gases
p1v1=p2v2
work done
w=fd
kinetic energy
1/2*m*v²
GPE
mgh
specific heat capacity
e=mct
power
wd/t
waves
v=fl
frequency
1/period
refractive index
n=sinI/sinR
critical angle
sinC=1/n
charge and current
Q=it
resistance current
v=i/r
electrical power
p=VI
electrical energy
e=vit
transformers
Ov/Iv=turnsv/turnsi