Equation of displacement
Y= AsinWt
Equation of velocity
V= AWcosWt, V= W√A²-y²
Equation of acceleration
a= -W²y
Equation of force
F= -mW²y
Equation of potential energy
U= 1/2mW²y²
Equation of kinetic energy
K.E= 1/2mA²W²cos²Wt, 1/2mW²(A²-y²)
Equation of total energy
T.E= 1/2mW²A²
Time period of oscillation (general formula)
T= 2π√y/a
Time period of simple pendulum
T= 2π√l/g
Time period of spring
T= 2π√m/k
Series combination
K= k1k2/k1+k2
Parallel combination
K= k1+k2